Folsom City Council
June 23, 2026

06/23/2026 Item No.18.

Alder Creek Subdivision Conformity Analysis
ECORP Consulting, Inc. 5-4 July 2025
Alder Creek Subdivision Conformity Analysis 2024-012.01

PAGE INTENTIONALLY LEFT BLANK

06/23/2026 Item No.18.

Alder Creek Subdivision Conformity Analysis

LIST OF APPENDICES
Appendix A – Folsom Plan Area Specific Plan EIR/EIS Mitigation Monitoring and Reporting Program. City of Folsom. 2011.

Appendix B – Alder Creek Property Project Emissions Report. ECORP Consulting, Inc. July 2025.

Appendix C – Alder Creek Property Project Roadway Construction. ECORP Consulting, Inc. July 2025.

Appendix D – Alder Creek Property Project Traffic Noise Levels. ECORP Consulting, Inc. July 2025.

Appendix E – Prairie City Road Phase 1 Improvements and Interim Connections.

MacKay & Somps. August 2025.

06/23/2026 Item No.18.

APPENDIX A
Folsom Plan Area Specific Plan EIR/EIS
Mitigation Monitoring and Reporting Program
City of Folsom 2011.

06/23/2026 Item No.18.
r-r
I
I
I
ATTACHMENT 18
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan Project
scH #20080920s1
m
J-(0L9o\ylt
0taYtilcrtvt lY tATUftr
Prepared by
AEjCOM
r
!
l
May 2011

06/23/2026 Item No.18.

Vlitiglrtiorr Vlonitoliltg ancl Rcportirrs I'rosrain
Folsom South of U.S. Highway 50 Specific Plan Project
Prepared for:

City of Folsom
50 Natoma Street
Folsom, CA 95630
Attention:

David Miller
(916) 355-7222
Prepared by:

AECOM
2020 L Street, Suite 400
Sacramento CA 95811
Contact:

Francine Dunn/Principal (91 6) 414-5800
E@I(I
(
L
t
P 071 10105.02
60208180 010
May 2011

06/23/2026 Item No.18.

MITIGATION MONITORING AND REPORTING PROGRAM

INTRODUCTION
In accordance with the California Environmental Quality Act (CEQA) (Public Resources Code Section 21000 et seq.) and the State CEQA Guidelines (14 California Code of Regulations [CCR] Section 15000 et seq.), the City of Folsom (City) and the U.S. Army Corps of Engineers (USACE) prepared an Environmental Impact Report / Environmental Impact Statement (EIR/EIS) that identifies adverse environmental impacts related to construction and operation of the Folsorn South of U.S. Highway 50 Specific Plan Project. The EIR/EIS also identifies mitigation measures that would reduce these impacts to a less-than-significant level, or eliminate the adverse impacts altogether.

CEQA Guidelines require public agencies "to adopt a reporting and monitoring program for changes to the project which it has adopted or made a condition of project approval in order to mitigate or avoid significant effects on the environment." A Mitigation Monitoring and Reporting Program (MMRP) is required for the proposed project because the EIR identifies potentially significant adverse impacts related to project implementation, and mitigation measures have been identified to reduce those impacts. Adoption of the MMRP would occur along with approval of the proposed project.

PURPOSE OF MITIGATION MONITORING AND REPORTING PROGRAM
This MMRP has been prepared to ensure thatall required mitigation measures are implemented and completed in a satisfactory manner before and during project construction and operation. The MMRP may be modified by the City during project implementation, as necessary, in response to changing conditions or other refinements. Table 1 (included at the end of this document) has been prepared to assist the responsible parties in implementing the mitigation measures. The table identifies individual mitigation measures, monitoring/mitigation timing, responsible person/agency for implementing the measure, monitoring and reporting procedure, and space to confirm implementation of the mitigation measures. The numbering of mitigation measures follows the numbering sequence found in the EIR/EIS.

ROLES AND RESPONSIBILITIES
Unless otherwise specified herein, the City is responsible for taking all actions necessary to implement the mitigation measures under its jurisdiction according to the specifications provided for each measure and for demonstrating that the action has been successfully completed. The City, at its discretion, may delegate implementation responsibility or portions thereof to a licensed contractor or other designated agent. Areas in grey shading indicate that enforcement is required by an agency other than the City, and therefore no verification is required.

The City would be responsible for overall administration of the MMRP and for verifiiing that City staff members and./or the construction contractor has completed the necessary actions for each measure. The City would designate a project manager to oversee implementation of the MMRP. Duties of the project manager include the following:

Ensure that routine inspections of the construction site are conducted by appropriate Cify staff; check plans, reports, and other documents required by the MMRP; and conduct report activities.

Serve as a liaison between the City and the contractor or project applicant regarding mitigation monitoring issues.

Complete forms and maintain reports and other records and documents generated by the MMRP Coordinate and ensure that corrective actions or enforcement measures are taken, if necessary The responsible party for implementation of each item would identify the staff members responsible for coordinating with the City on the MMRP.

REPORTING
The City's project manager shall prepare a monitoring report, upon completion of the project, on the compliance of the activity with the required mitigation measures. Information regarding inspections and other requirements shall be compiled and explained in the report. The report shall be designed to simply and clearly identiSr whether mitigation measures have been adequately implemented. At a minimum, each report shall identifu the mitigation measures or conditions to be monitored for implementation, whether compliance with the mitigation measures or conditions has occurred, the procedures used to assess compliance, and whether further action is required. The monitoring report shall be presented to the City Council.

MITIGATION MONITORING AND REPORTING PLAN TABLE
The categories identified in Table I are described below Mitigation Measure - This column provides the text of the mitigation measures identified in the EIR.

Timing - This column identifies the time frame in which the mitigation will take place.

Enforcement - This column identifies the party responsible for enforcing compliance with the requirements of the mitigation measure.

Dated Signature for Verification of Compliance - This column is to be dated and signed by the person (either project manager or hislher designee) responsible for veri$'ing compliance with the requirements of the mitigation measure. Areas in grey shading do not require verification.

Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program

06/23/2026 Item No.18.
3A.1 AESTHETICS - LAND
Project applicant(s) for
any particular
discretionary
development
application.

Before approval of
building permits.

Mitigation Measure 3A.1-5: Establish and Require Conformance to Lighting Standards and Prepare and Implement a Lighting Plan.

To reduce impacts associated with light and glare, the City shall:
> Establish standards for on-site outdoor lighting to reduce high-intensity nighttime lighting and glare as part of the Folsom Specific Plan design guidelines/standards. Consideration shall be given to design features, namely directional shielding for street lighting, parking lot lighting, and other substantial light sources, that would reduce effects of nighttime lighting. In addition, consideration shall be given to the use of automatic shutoffs or motion sensors for lighting features to further reduce excess nighttime light. > Use shielded or screened public lighting fixtures to prevent the light from shining off of the surface intended to be illuminated.

To reduce impacts associated with light and glare, the project applicant(s) of all project phases shall:
> Shield or screen lighting fixtures to direct the light downward and prevent light spill on adjacent properties. > Flood and area lighting needed for construction activities, nighttime sporting activities, and/or security shall be screened or aimed no higher than 45 degrees above straight down (half-way between straight down and straight to the side) when the source is visible from any off-site residential property or public roadway.
> For public lighting in residential neighborhoods, prohibit the use of light fixtures that are of unusually high intensity or brightness (e.g., harsh mercury vapor, low-pressure sodium, or fluorescent bulbs) or that blink or flash. > Use appropriate building materials (such as low-glare glass, low-glare building glaze or finish, neutral, earth-toned colored paint and roofing materials), shielded or screened lighting, and appropriate signage in the office/commercial areas to prevent light and glare from adversely affecting motorists on nearby roadways.
l. For all on-site and off-site
facilities that would be
located within the City of
Folsom: City of Folsom
Neighborhood Services
Department and City of
Folsom Community
Development Department.

2. For the off-site detention
basin: Sacramento County
Planning Department.

3. For the two local roadways
off-site into El Dorado
Hills: El Dorado County
Community Services
Department.

Project applicant(s) for
any particular
discretionary
development
application.

Before approval of
grading plans and during
construction for all
project phases.

Mitigation Measure 34.1-4: Screen Construction Staging Areas. The project applicant(s) for any particular discretionary development application shall locate staging and material storage areas as far away from sensitive biological resources and sensitive land uses (e.g., residential areas, schools, parks) as feasible. Staging and material storage areas shall be approvedby the appropriate agency (identified below) before the approval ofgrading plans for all project phases and shall be screened from adjacent occupied land uses in earlier development phases to the maximum extent practicable. Screens may include, but are not limited to, the use of such visual barriers such as berms or fences. The screen design shall be approved by the appropriate agency to further reduce visual effects to the extent possible.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries shall be developed by the project applicant(s) of each applicable project phase in consultation with the affected oversight agency(ies) (i.e., El Dorado and/or Sacramento Counties, and Caltrans) to reduce to the extent feasible the visual effects ofconstruction activities on adjacent project land uses that have already been developed.

1. For those improvements
that would be located within
the City of Folsom: City of
Folsom Neighborhood
Services Department and
City of Folsom Community
Development Department.

2. For the two local roadway
connections from Folsom
Heights into El Dorado
Hills: El Dorado County
Community Services
Department.

3. For the U.S. 50 interchange
improvements : Caltrans.

City of Folsom Community
Development Department
Project applicant(s) for
any particular
discretionary
development application
adjacent to U.S. 50.

1. Plans and
specifications : before
approval ofgrading
plans and building
permits

2. Construction: before
the approval of
occupancy permits
associated with
residential and
commercial units

3. Maintenance: in
perpetuity
Mitigation Measure 34.1-1: Construct and Maintain a Landscape Corridor Adjacent to U.S. 50. The project applicant(s) for any particular discretionary development application adjacent to U.S. 50 shall fund, construct, and maintain a landscaped conidor within the SPA, south of U.S. 50. This corridor shall be 50 feet wide, except that the landscaped corridor width shall be reduced to 25 feet adjacent to the proposed regional mall. Landscaping plans and specifications shall be approved by Caltrans and the City of Folsom, and constructed by the project applicant(s) before the start of earthmoving activities associated with residential or commercial units. Landscaped areas would not be required within the preserved oak woodlands. As practicable, landscaping shall primarily contain native and/or drought tolerant plants.

Landscaped corridors shall be maintained in perpetuity to the satisfaction of the City of Folsom.

Timing Mitigation Measure
Dated Signature for
Verification of Compliance
Enforcement lmplementation
Tabfe 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program 2
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom

06/23/2026 Item No.18.

Mitigation Measure 3B.l-2b: Prepare Landscaping Plan. The City shall develop a landscaping plan for each structural facility site that uses a combination of native vegetation, earthen features (e.g., boulders), and, if appropriate, topographical separations (e.9., berms) to maximize site appearance and shield the new facilities from nearby sensitive receptors to the extent feasible. In addition to complying with local standards, the landscaping plan shall require the following at each site:
> Vegetation shall be arranged in a hierarchy ofplant groupings to enhance the visual and scenic qualities ofthe site(s). To the extent practical, the design will minimize the need for supplemental irrigation. > New or replacement vegetation shall be compatible with surrounding vegetation and shall be adaptable to the site with regard to rainfall, soil type, exposure, growth rate, erosion control, and energy conservation purposes. > Plant materials chosen shall be species which do not present any safety hazards, which allow native flora to reestablish in the area, and which require minimal maintenance, including watering, pest confrol, and clean-up of litter from fruit and droppings.

1. For structural improvements
that would be located within
the Cify of Folsom: Cify of
Folsom Neighborhood
Services Department and
City of Folsom Community
Development Department.

2. For structural improvements
that would be located within
unincorporated Sacramento
County: Sacramento County
Planning and Community
Development Department.

City of Folsom Utilities
Department
Prior to approval of
grading plans and
building permits for
WTP, pump stations,
and storage tank
facilities.

City of Folsom Utilities
Department
Prior to approval of
grading plans and
building permits for
WTP, pump stations,
and storage tank
facilities.

Mitigation Measure 3B.l-2a: Enhance Exterior Appearance of Structural Facilities. The external appearance of above-ground facilities, including the choice of color and materials, shall seek to reduce the visual impact of the proposed WTP, pump station, and above-ground storage tank facilities. Bright reflective materials and colors shall be avoided. As appropriate, the exterior design of these facilities should follow design guidelines provided in applicable land use plans. Minimum exterior design requirements shall include, but are not limited to, the following:
> painting (with earth-colored tones) of structural fagades to blend with surrounding land uses, > use of fencing or structural materials similar to those used by nearby land uses, > installation of berms and/or landscaping around the facility (see Mitigation Measure 38.2-2b for additional detail), and > clustering of structural facilities to maximize open space buffering. l. For structural improvements
that would be located within
the City of Folsom: City of
Folsom Neighborhood
Services Department and
City of Folsom Community
Development Department.

2. For structural improvements
that would be located within
unincorporated Sacramento
Counfy: Sacramento County
Planning and Community
Development Department.

3. For structural improvements
that would be located within
the Cify of Rancho
Cordova: City of Rancho
Cordova Planning
Department.
> Design exterior on-site lighting as an integral part of the building and landscape design in the Folsom Specific Plan area. Lighting fixtures shall be architecturally consistent with the overall site design. > Lighting of off-site facilities within the City of Folsom shall be consistent with.the City's General Plan standards. > Lighting of the off-site detention basin shall be consistent with Sacramento County General Plan standards. > Lighting of the two local roadway connections from Folsom Heights off-site into El Dorado Hills shall be consistent with El Dorado County General Plan standards.

A lighting plan for all on- and off-site elements within the each agency's jurisdictional boundaries (specified below) shall be submitted to the relevant jurisdictional agency for review and approval, which shall include the above elements. The lighting plan may be submiffed concurrently with other improvement plans, and shall be submitted before the installation of any lighting or the approval of building permits for each phase. The project applicant(s) for any particular discretionary development application shall implement the approved lighting plan.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., El Dorado and/or Sacramento Counties).

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project 3B.1 AESTHETICS -WATER
Folsom South of U.S, Highway 50 Specific Plan
City of Folsom 3
AECOM
Mitigation Monitoring and Reporting Program

06/23/2026 Item No.18.

1. For structural improvements
that would be located within
the City of Folsom: City of
Folsom Neighborhood
Services Department and
City of Folsom Community
Development Department.

2. For structural improvements
that would be located within
unincorporated Sacramento
County: Sacramento County
Planning and Community
Development Department.

3. For structural improvements
that would be located within
the City of Rancho
Cordova: City of Rancho
Cordova Planning
Department.

City of Folsom Community
Development Department
City of Folsom Utilities
Department
The project applicant(s)
ofall project phases.

Prior to approval of
grading plans and
building permits for
WTP, pump stations,
and storage tank
facilities.

Before the approval of
all grading plans by the
City and throughout
project construction,
Mitigation Measure 38.1-3b: Prepare and Submit a Lighting Master Plan. The City shall prepare a Lighting Master Plan that covers all Off-site Water Facilities-related outdoor light sources. The Lighting Master Plan shall include the following minimum requirements:
> outdoor lighting shall be properly shielded and installed to prevent light ftespass on adjacent properties; > flood or spot lamps installed as part of the Off-site Water Facilities shall be aimed no higher than 45 degrees above straight down (halfway between straight down and straight to the side) when the source is visible from any off-site residential property or public roadway; > prohibit the use of harsh mercury vapor, low-pressure sodium, or fluorescent bulbs for public lighting in residential neighborhoods; and > comply with requirements of local
jurisdiction, if applicable.

Mitigation Measure 3A.2-ls: fmplement Measures to Control Air Pollutant Emissions Generated by Construction of On-Site Elements. To reduce short-term construction emissions, the project applicant(s) for any particular discretionary development application shall require their contractors to implement SMAQMD's list of Basic Construction Emission Control Practices, Enhanced Fugitive PM Dust Control Practices, and Enhanced Exhaust Control Practices (list below) in effect at the time individual portions of the site undergo

1. For structural improvements
that would be located within
the City of Folsom: City of
Folsom Neighborhood
Services Department and
City of Folsom Community
Development Department.

2. For structural improvements
that would be located within
unincorporated Sacramento
County: Sacramento County
Planning and Community
Development Department.

3. For structural improvements
that would be located within
the City of Rancho
Cordova: City of Rancho
Cqrdova Planning
Department.

City of Folsom Utilities
Department
Prior to approval of
grading plans and
building permits for
WTP, pump stations,
and storage tank
facilities.

Mitigation Measujre 38.1-3a: Conformance to Construction Lighting Standards. The City shall limit construction to daylight hours to the extent possible. If nighttime lighting or construction is necessary, the City shall ensure that unshielded lights, reflectors, or spotlights are not located and directed to shine toward or be directly visible from adjacent properties or streets. To the extent possible, the City shall minimize the use of nighttime construction lighting within 500 feet of existing residences. This measure shall be identified on grading plans and in construction contracts.

3. For structural improvements
that would be located within
the City of Rancho
Cordova: City of Rancho
Cordova Planning
Department.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project 3A.2 AIR QUALITY - LAND
AECOM
Mitigation Monitoring and Reporting Program 4
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom

06/23/2026 Item No.18.
where applicable, for all
project phases.
construction. In addition to SMAQMD-recommended measures, construction operations shall comply with all applicable SMAQMD rules and regulations.

Basic Construction Emission Control Practices
> Water all exposed surfaces two times daily. Exposed surfaces include, but are not limited to soil piles, graded areas, unpaved parking areas, staging areas, and access roads.
> Cover or maintain at least two feet of free board space on haul trucks transporting soil, sand, or other loose material on the site. Any haul trucks that would be traveling along freeways or major roadways should be covered. > Use wet power vacuum street sweepers to remove any visible trackout mud or dirt onto adjacent public roads at least once a day. Use of dry power sweeping is prohibited.
> Limit vehicle speeds on unpaved roads to 15 miles per hour (mph). > All roadways, driveways, sidewalks, parking lots to be paved should be completed as soon as possible. In addition, building pads should be laid as soon as possible after grading unless seeding or soil binders are used. > Minimize idling time either by shutting equipment off when not in use or reducing the time of idling to 5 minutes (as required by the state airborne toxics control measure [Title 13, Section 2485 of the California Code of Regulations]). Provide clear signage that posts this requirement for workers at the entrances to the site.
> Maintain all construction equipment in proper working condition according to manufacfurer's specifications. The equipment must be checked by a certified mechanic and determine to be running in proper condition before it is operated.

Enhanced Fugitive PM Dust Control Practices - Soil Disturbance Areas > Water exposed soil with adequate frequency for continued moist soil. However, do not overwater to the extent that sediment flows off the site.
> Suspend excavation, grading, and/or demolition activity when wind speeds exceed 20 mph. > Plant vegetative ground cover (fast-germinating native grass seed) in disturbed areas as soon as possible. Water appropriately until vegetation is established.

Enhanced Fugitive PM Dust Control Practices - Unpaved Roads > Install wheel washers for all exiting trucks, or wash off all trucks and equipment leaving the site. > Treat site accesses to a distance of 100 feet from the paved road with a 6 to l2-inch layer of wood chips, mulch, or gravel to reduce generation ofroad dust and road dust carryout onto public roads. > Post a publicly visible sign with the telephone number and person to contact at the construction site regarding dust complaints. This person shall respond and take corrective action within 48 hours. The phone number of SMAQMD and the City contact person shall also be posted to ensure compliance.

Enhanced Exhaust Control Practices
> The project shall provide a plan, for approval by the City of Folsom Community Development Department and SMAQMD, demonstrating that the heavy-duty (50 horsepower [hp] or more) offl-road vehicles to be used in the construction project, including owned, leased, and subcontractor vehicles, will achieve a project wide fleet-average 20% NOx reduction and 45o/o particulate reduction compared to the most current Califomia Air Resources Board (ARB) fleet average that exists at the time of constuction. Acceptable options for reducing emissions may include use of late-model engines, low-emission diesel products, altemative fuels, engine retrofit technology, after-treatment products, ald/or other options as they become available. The project applicant(s) ofeach project phase or its representative shall submit to the City of Folsom Community Development Department and SMAQMD a comprehensive inventory of all off-road construction equipment, equal to or greater than 5 0 hp, that would be used an aggregate of 40 or more hours during any portion of the construction project. The inventory shall include the horsepower rating, engine production year, and projected hours of use for each piece of equipment.

The inventory shall be updated and submitted monthly throughout the duration of the project, except that an inventory shall not be required for any 30-day period in which no construction activity occurs. At least 48 hours prior to the use of heavy-dury off-road equipment, the project representative shall provide SMAQMD with the anticipated construction timeline including start date, and name and phone number of the project manager and on-site foreman. SMAQMD's Construction Mitigation Calculator can be used to identify an equipment fleet that achieves this reduction (SMAQMD 2007a). The project shall ensure that emissions from all ofl-road diesel powered equipment used on the SPA do not exceed 40Yo opacity for more than three minutes in any one hour. Any equipment found to exceed 40 percent opacity (or Ringelmann 2.0) shall be repaired immediately, and the City and SMAQMD shall be notified within 48 hours of identification of noncompliant equipment. A visual survey of all in-operation equipment shall be made at least weekly, and a monthly surnmary of the visual Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 5
AECOM
Mitigation Monitoring and Reporting Program

06/23/2026 Item No.18.

City of Folsom Community
Development Department
All detailed, projectlevel analysis shall be
performed and funded
by the project
applicant(s) for each
discretionary
development
entitlement. All feasible
mitigation shall be also
be funded by the project
applicant(s).

Before the approval of
all grading plans by the
City.

Mitigation Measure 3A.2-1c: Analyze and Disclose Projected PM16 Emission Concentrations at Nearby Sensitive Receptors Resulting from Construction of On-Site Elements. Prior to construction of each discretionary development entitlement of on-site land uses, the project applicant shall perform a project-level CEQA analysis (e.g., supporting documentation for an exemption, negative declaration, or project-specific EIR) that includes detailed dispersion modeling of construction-generated PMls to disclose what PMle concentrations would be at nearby sensitive receptors. The dispersion modeling shall be performed in accordance with applicable SMAQMD guidance that is in place at the time the analysis is performed. At the time of writing this EIR/EIS, SMAQMD's most current and most detailed guidance for addressing construction-generated PM16 emissions is found in its Guide to Air Quality Assessment in Sacramento County (SMAQMD 2009a). The projectJevel analysis shall incorporate detailed parameters of the construction equipment and activities, including the year during which construction would be performed, as well as the proximity of potentially affected receptors, including receptors proposed by the project that exist at the time the construction activity would occur.

The City of Folsom
Community Development
Department shall not grant any
grading permits to the
respective proj ect applicant(s)
until the respective project
applicant(s) have paid the
appropriate off-site mitigation
fee to SMAQMD.

The project applicant(s)
ofall project phases.

Before the approval of
all grading plans by the
City and throughout
project construction for
all project phases.

Mitigation Measure 3A.2-1b: Pay Off-site Mitigation Fee to SMAQMD to Off-Set NOy Emissions Generated by Construction of OnSite Elements.

Implementation of the Proposed Project or the other four other action alternatives would result in construction-generated NO1 emissions that exceed the SMAQMD threshold of significance, even after implementation of the SMAQMD Enhanced Exhaust Control Practices (listed in Mitigation Measure 3A.2-la). Additionally, Mitigation Measure 3A.4-l (Implement Additional Measures to Control Construction-Generated GHG Emissions, pages 3A.4-14 to l5) has the potential to both reduce and increase NOy emissions, depending on the types of alternative fuels and engine types employed.

Therefore, the project applicant(s) shall pay SMAQMD an off-site mitigation fee for implementation of any of the five action altematives for the purpose of reducing NO1 emissions to a less-than-significant level (i.e., less than 85 lb/day). All NOx emission reductions and increases associated with GHG mitigation shall be added to or subtracted from the amount above the construction threshold to determine off-site mitigation fees, when possible. The specific fee amounts shall be calculated when the daily construction emissions can be more accurately determined: that is, if the CityfuSACE select and certiff the EIR/EIS and approves the Proposed Project or one of the other four other action altematives, the City and the applicants must establish the phasing by which development would occur, and the applicants must develop a detailed construction schedule. Calculation offees associated with each project development phase shall be conducted by the project applicant(s) in consultation with SMAQMD staff before the approval of grading plans by the City. The project applicant(s) for any particular discretionary development application shall pay into SMAQMD's off-site construction mitigation fund to further mitigate constructiongenerated emissions of NOx that exceed SMAQMD's daily emission threshold of 85 lb/day. The calculation of daily NO1 emissions shall be based on the cost rate established by SMAQMD at the time the calculation and payment are made. At the time of writing this EIRTEIS the cost rate is $16,000 to reduce I ton of NOl plus a 5% administrative fee (SMAQMD 2008c). The determination of the final mitigation fee shall be conducted in coordination with SMAQMD before any ground disturbance occurs for any project phase. Based on information available at the time of writing this EIR/EIS, and assuming that construction would be performed at a consistent rate over a l9-year period (and averagin g of 22 work days per month), it is estimated that the off-site construction mitigation fees would range from $5 I 7,41 0 to $824,149, depending on which alternative is selected. Because the fee is based on the mass quantity of emissions that exceed SMAQMD's daily threshold of significance of 85 lb/day, total fees wouldbe substantially greater if construction activify is more intense during some phases and less intense during other phases ofthe 19-year build out period, and in any event, based on the actual cost rate applied by SMAQMD. (This fee is used by SMAQMD to purchase off-site emissions reductions. Such purchases are made through SMAQMD's Heavy Duty Incentive Program, through which select owners of heavy-duty equipment in Sacramento County can repower or retrofit their old engines with cleaner engines or technologies.)
survey results shall be submitted throughout the duration of the project, except that the monthly summary shall not be required for any 30- day period in which no construction activity occurs. The monthly summary shall include the quantity and type of vehicles surveyed as well as the dates of each survey. SMAQMD staff and/or other offrcials may conduct periodic site inspections to determine compliance. Nothing in this mitigation measure shall supersede other SMAQMD or state rules or regulations.

If at the time of construction, SMAQMD has adopted a regulation or new guidance applicable to construction emissions, compliance with the regulation or new guidance may completely or partially replace this mitigation if it is equal to or more effective than the mitigation contained herein, and if SMAQMD so permits.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program 6
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom

06/23/2026 Item No.18.

1. For all off-site
improvements within
Sacramento County:

Sacramento County
Planning and Community
Development Department
shall not grant any grading
The project applicant(s)
of all off-site elements
in Sacramento County.

Before the approval of
each grading plan for
the off-site elements in
Sacramento County.

Mitigation Measure 3A.2-lg: Pay Off-site Mitigation Fee to SMAQMD to Off-Set NOy Emissions Generated by Construction of Offsite Elements. The off-site elements could result in construction-generated NO; emissions that exceed the SMAQMD threshold of significance, even after implementation of the SMAQMD Enhanced Exhaust Conhol Practices (listed in Mitigation Measure 3A.2-la).

Therefore, the responsible project applicant(s) for each off-site element in Sacramento County shall pay SMAQMD an off-site mitigation fee for implementation of each off-site element in Sacramento County for the purpose of reducing NO1 emissions to a less-than-significant level (i.e., less than 85 lb/day). The specific fee amounts shall be calculated when the daily construction emissions can be more accurately determined. This calculation shall occur if the CiTruSACE certifu the EIR/EIS and select and approves the Proposed Project or one of the l. For the two roadway
connections in El Dorado
Hills: El Dorado County
Development Services
Department.

2. For the detention basin west
of Prairie City Road:

Sacramento County
Planning and Community
Development Department.

3. For the U.S. 50 interchange
improvements: Caltrans.

The project applicant(s)
responsible for
construction of each offsite element in
Sacramento and El
Dorado counties.

Before the approval of
all grading plans from
the respective air district
(i.e., SMAQMD or
EDCAQMD).

Mitigation Measure 3A.2-1f: Implement SMAQMD's Enhanced Exhaust Control Practices during Construction of all Off-site Elements. Implement SMAQMD's Enhanced Exhaust Control Practices, which are listed in Mitigation Measure 3A.2-la, in order to control NOy emissions generated by construction of all off-site elements (in Sacramento and El Dorado Counties, or Caltrans right-of-way).

El Dorado County
Development Services
Department.

The project applicant(s)
responsible for
constructing the
roadway connections in
El Dorado County.

Before the approval of
grading plans by
EDCAQMD.

Mitigation Measure 3A.2-lez Implement EDCAQMD-Recommended Measures for Controlling Fugitive PM16 dust During Construction of the Two Roadway Connections in El Dorado County. Prior to construction of each roadway extension in El Dorado County, the applicants or its contractors shall develop a fugitive dust control plan that is approved by EDCAQMD and the applicants shall require their contractors to implement the dust control measures identified in the EDCAQMD-approved fugitive dust control plan. The fugitive dust control plan shall contain measures that are recommended by EDCAQMD at the time the plan is developed, which may include, but is not limited to, the current list of EDCAQMD-recommended dust control measures provided in Table 3A.2-5 below.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be developed by the project applicant(s) of each applicable project phase in consultation with the affected oversight agency(ies) (i.e., El Dorado County).

Source: Table 4.12 of EDCAQMD's Guide to Air Quality Assessmenl (EDCAOMD 2002).

Truck Hauling Load Maintain at least two feet of freeboard Cover load of all hauVdump trucks securely
Truck Hauling Road Water ail haul roads twice daily
Pave all haul roads
Exposed Surface/Grading Water all exposed soil twice daily Water exposed soil with adequate frequency to keep soil moist at all times Soil
Piles
Enclose, cover, or water twice daily all soil piles
Automatic sprinkler system installed on soil piles
Source Mitigation Measure
Table 3A.2-5
EDCAQMD-Recommend Fugitive Dust Gontrol Measures
l. For all off-site
improvements within
Sacramento County:

Sacramento County
Planning and Community
Development Department.

2. For the U.S. 50 interchange
improvements: Caltrans.

The project applicant(s)
responsible for
construction of each offsite element in
Sacramento County.

Before the approval of
all grading plans from
SMAQMD.

Mitigation Measure 3A.2-1d: Implement SMAQMD's Basic Construction Emission Control Practices during Construction of all Offsite Elements Iocated in Sacramento County. The applicants responsible for the construction of each off-site element in Sacramento County shall require their contractors to implement SMAQMD's Basic Construction Emission Control Practices during construction. A list of SMAQMD's Basic Construction Emission Control Practices is provided under Mitigation Measure 3A.2-1a.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be developed by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., Sacramento County or Caltrans) to implement SMAQMD's Basic Construction Emission Control Practices or comparable feasible measures.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 7
AECOM
Mitigation Monitoring and Reporting Program

06/23/2026 Item No.18.

City of Folsom Community
Development Department.

The project applicant(s)
any particular
discretionary
development
Before the approval of
all grading plans by the
City and throughout
project construction,
Mitigation Measure 3A.2-4az Develop and Implement a Plan to Reduce Exposure of Sensitive Receptors to Construction-Generated Toxic Air Contaminant Emissions. The project applicant(s) for any particular discretionary development application shall develop a plan to reduce the exposure of sensitive receptors to TACs generated by project construction activity associated with buildout of the selected alternative. Each plan shall be developed by the project applicant(s) in consultation with SMAQMD. The plan shall be submitted to the City City of Folsom Community
Development Department.

The project applicant(s)
any particular
discretionary
development
application.

Before issuance of
subdivision maps or
improvement plans.

Mitigation Measure 3A.2-2: Implement AII Measures Prescribed by the Air Quality Mitigation Plan to Reduce Operational Air Pollutant Emissions. To reduce operational emissions, the project applicant(s) for any particular discretionary development application shall implement all measures prescribed in the SMAQMD-approved Folsom Plan Area Specific Plan Air Quality Mitigation Plan (AQMP) (Torrence Planning 2008), a copy of which is included in Appendix C2. The AQMP is intended to improve mobility, reduce vehicle miles traveled, and improve air quality as required by AB 32 and SB 375. The AQMP includes, among others, measures designed to provide bicycle parking at commercial land uses, an integrated pedestrian/bicycle path network, transit stops with shelters, a prohibition against the use the wood-burning fireplaces, energy star roofing materials, electric lawnmowers provided to homeowners at no charge, and on-site transportation alternatives to passenger vehicles (including light rail) that provide connectivity with other local and regional alternative transportation nefworks.
l. For all off-site
improvements within
Sacramento County:

Sacramento County
Planning and Community
Development Department.

2. For the U.S. 50 interchange
improvements: Caltrans.

All detailed, projectlevel analysis shall be
performed by the
responsible lead agency
or its selected consultant
and funded by the
project applicant(s).

Implementation of the
project-level modeling
analysis and any
necessary additional
mitigation shall be fully
funded by the project
applicant(s) responsible
for each off-site
improvement.
l. For all off-site
improvements within
unincorporated
Sacramento County:

Before the approval of
the respective grading
plans from the
Sacramento County
Planning and
Community
Development
Department

2. For the U.S. 50
interchange
improvements: Before
the approval of
construction plans
from Caltrans.

Mitigation Measure 3A.2-1h: Analyze and Disclose Projected PM16 Emission Concentrations at Nearby Sensitive Receptors Resulting from Construction of Off-site Elements. Prior to construction of each off-site element located in Sacramento County that would involve site grading or earth disturbance activity that would exceed 15 acres in one day, the responsible agency or its selected consultant shall conduct detailed dispersion modeling of construction-generated PMls emissions pursuant to SMAQMD guidance that is in place at the time the analysis is performed. At the time of writing this EIR/EIS, SMAQMD's most current and most detailed guidance for addressing construction-generated PM16 emissions is found in its Guide to Air Quality Assessment in Sacramento County SMAQMD 2009a).

SMAQMD emphasizes that PMls emission concentrations at nearby sensitive receptors be disclosed in project-level CEQA analysis. Each project-level analysis shall incorporate detailed parameters of the construction equipment and activities, including the year during which construction would be performed, as well as the proximity of potentially affected receptors, including receptors proposed by the project that exist at the time the construction activity would occur. If the modeling analysis determines that construction activity would result in an exceedance or substantial contribution to the CAAQS and NAAQS at a nearby receptor, then the project applicant(s) shall require their respective contractors to implernent additional rneasures for controlling construction-generated PM16 exhaust emission and fugitive PMls dust emissions in accordance with SMAQMD guidance, requirements, and/or rules that apply at the time the project-level analysis is performed. It is likely that these measures would be the same or similar to those listed as Enhanced Fugitive PM Dust Control Practices for Soil Disturbance Areas and Unpaved Roads and Enhanced Exhaust Control Practices included in Mitigation Measure 3A.2-la. Dispersion modeling is not required for the two El Dorado County roadway connections because the total amount of disturbed acreage is expected to be less than the EDCAQMD screening level of 12 acres.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be developed by the project applicant(s) of each applicable project phase in consultation with the affected oversight agency(ies) (i.e., Sacramento County or Caltrans). permits to the respective
project applicant(s) until the
respective project
applicant(s) have paid the
appropriate off-site
mitigation fee to
SMAQMD.

2. For the U.S. 50 interchange
improvements: Caltrans
shall not grant any grading
permits to the respective
project applicant(s) until the
respective project
applicant(s) have paid the
appropriate off-site
mitigation fee to
SMAQMD.
other four other action altematives, the City, Sacramento County, and the applicants establish the phasing by which construction of the offsite elements would occur, and the applicants develop a detailed construction schedule. Calculation of fees associated with each off-site element shall be conducted by the project applicant(s) in consultation with SMAQMD staff before 'the approval of respective grading plans by Sacramento County. The project applicant(s) responsible for each off-site element in Sacramento County shall pay into SMAQMD's offsite construction mitigation fund to further mitigate construction-generated emissions of NO1 that exceed SMAQMD's daily emission threshold of 85 lb/day. The calculation of daily NOy emissions shall be based on the cost rate established by SMAQMD at the time the calculation and payment are made. At the time of writing this EIRIEIS the cost rate is $ 1 6,000 to reduce I ton of NO1 plus a 5% administrative fee (SMAQMD 2008c). The determination of the final mitigation fee shall be conducted in coordination with SMAQMD before any ground disturbance occurs for any project phase. Because the fee is based on the mass quantity of emissions that exceed SMAQMD's daily threshold of significance of 85 lb/day, total fees for construction of the off-site elements would vary according to the timing and potential overlap of construction schedules for off-site elements. This measure applies only to those off-site elements located in SMAQMD's
jurisdiction (i.e., in Sacramento County) because EDCAQMD does not offer a similar off-set fee program for constructiongenerated NOa emissions in its jurisdiction. (This fee is used by SMAQMD to purchase off-site emissions reductions. Such purchases are made tfuough SMAQMD's Heavy Duty Incentive Program, through which select owners of heavy-duty equipment in Sacramento County can repower or retrofit their old engines with cleaner engines or technologies.) Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be developed by the project applicant(s) of each applicable project phase in consultation with the affected oversight agency(ies) (i.e., Sacramento County or Caltrans).

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Mitigation Monitoring and Reporting Plan fo, th"Hlt"olt South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program 8
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom

06/23/2026 Item No.18.

I
r
City of Folsom Community
Development Department.

The project applicant(s)
ofall project phases.

Before the approval of
building permits by the
City and throughout
project construction,
Mitigation Measure 3A.2-62Implement Measures to Control Exposure of Sensitive Receptors to project applicant(s) for any particular discretionary development application shall implement the Operational Odorous Emissions. The
following measures:
> The odor-producing potential ofland uses shall be considered when the exact type offacility that would occupy areas zoned for City of Folsom Community
Development Department.

The project applicant(s)
ofall project phases.

Before the approval of
all grading plans by the
City and throughout
project construction,
where applicable, for all
project phases.
'As
3A.2-5:
construction period. the throughout
the plan terms ensure of implement the construction contractors that applicant shall the SMAQMD, Plan by Dust Control the of Asbestos can Upon approval any be ) serpentinite disturbed. ( rock must asbestos-containing before be received plan of the approval SMAQMD phase. project first ofthe construction before and approval revlew for and SMAQMD for revlew Development Department Folsom Community to proJ the ect a. plan submit the applicant shall measures The a
I 3A. Measure by Mitigation required to dust control limited not be shall mav include but Control Plan Dust ceasrng bestos the As Measures ln high winds. construction during and airbome dust to reduce watering AS measures, periodic such specifi' Plan shall Dust Control The Asbestos Operations. Mining Surface Quarrying, and Grading, Construction, Measure for Toxic Control Airborne bestos of Regulations AS California Code the I 05 93 of Section 7 ln Title required SMAQMD by an approval prepare for Control Plan bestos Dust As on IS applicant shall project present the A then the SP NOA determines that investigation srte a the geologist. If qualified samples by and rock soil on of the collection shall include investigation site A. The the SP rock soil and IS present w ln the NOA and where to hether determine performed an be investigation shall A site Plan. Control Asbestos Dust Implement necessary, Prepare and if NOA and, Presence of Determine the to vestigation Site In A Implement Measure Mitigation City of Folsom Community
Development Department.

The project applicant(s)
ofall project phases.

Before the approval of
all grading plans by the
SMAQMD and
throughout project
construction, where
applicable, for all
project phases.

Mitigation Measure 3A.2-4bz Implement Measures to Reduce Exposure of Sensitive Receptors to Operational Emissions of Toxic Air Contaminants.

The following measures shall be implemented to reduce exposure of sensitive receptors to Toxic Air Contaminants. > Proposed commercial and industrial land uses that have the potential to emit TACs or host TAC-generating activity (e.g., loading docks) shall be located away from existing and proposed on-site sensitive receptors such that they do noi""por. s-ensitive receptors to TAC emissions that exceed an incremental increase of l0 in I million for the cancer risk and/oi a noncarcinogenic Hazard Index of 1.0. > The multi-family residences planned across from the off-site corporation yard near the southwest corner of the SpA shall be set back as far as possible from the boundary ofthe corporation yard and/or relocated to another area. > Where necessary to reduce exposure of sensitive receptors to an incremental increase of l0 in I million for the cancer risk and/or a noncarcinogenicHazard Index of 1.0, proposed commercial and industrial land uses that would host diesel trucks shall incorporate idle reduction strategies that reduce the main propulsion engine idling time through alternative technologies such as, IdleAire, electrification of truck parking, and alternative energy sources for TRUs, to allow diesel engines to be completely-turned off. > Signs shall be posted in at all loading docks and truck loading areas which indicate that diesel-powered delivery trucks must be shut off when not in use for longer than 5 minutes on the premises in order to reduce idling emissio.ts. ihis measure is tonsistent with the ATCM to Limit Diesel-Fueled Commercial Motor Vehicle Idling, which was approved by the Califomia Office of Administrative Law in January 2005.
> Implement the following additional guidelines, which are recommended in ARB's Z and (Jse Handbook: A Community Health
Perspective (ARB 2005) and are considered to be advisory and not regulatory:
' Sensitive receptors, such as residential units and daycare centers, shall not be located in the same building as dry-cleaning operations that use perchloroethylene. Dry-cleaning operations that use perchloroethylene shall not be located within 300 feet of anf sensitive receptor. A setback of 500 feet shall be provided for operations with two or more machines. ' Large gasoline stations (defined as facilities with a throughput of 3.6 million gallons per year or greater) and sensitive land uses shall not be sited within 300 feet of each other. Small gasoline-dispensing facilities (less ihan :.e mittion gallons of throughput per year) and sensitive land uses shall not be sited within 50 feet of each other. where applicable, for all
project phases. The plan may include such measures as scheduling activities when the residences are the least likely to be occupied, requiring equipment to be shut off when not in use, and prohibiting heary trucks from idling. Applicable measures shall be included in all projJct plins and specifications for all project phases.

The implementation and enforcement of all measures identified in each plan shall be funded by the project applicant(s) for the respective phase of development.
for review and approval before the approval ofany grading plans.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Mitigation Monitoring and Reporting plan
for the Fotsom south of U.s. Hi
Table 1
ghway 50 Specific Plan Project
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom I
AECOM
Mitigation Monitoring and Reporting Program

06/23/2026 Item No.18.

Mitigation Measure 3B.2-1a: Develop and Implement a Construction NOl Reduction Plan. Consistent with SMAQMD requirements, tn" Clty of Folsom shall provide a plarifor demonstrating that the heavy-duty (> 50 horsepower) off-road vehicles to be used in the construction project, inciuding owied, leased and subcontractor vehicles, will achieve a project wide fleet-av eruge 20%o NOx reduction. Prior to constructiorr, th. City', contractor shall submit to the SMAQMD a comprehensive inventory of all off-road construction equipment, equal to or greater than 50 horsepower, that will be used an aggregate of 40 or more hours during any portion of the construction of the Off-site Water Facilities. The inventory shall include the horsepowei rating, engine production year, and projected hours of use or fuel throughput for each piece of equipment. The inventory shall be updated and submitted quarterly throughout the duration of the project, except that an inventory shall noi be required for any 30-day period in wiich no construction activity occurs. At least 48 hours prior to the use ofsubject heavy-duty off-road equipment, the dff-site Water Facilities representative shall provide SMAQMD with the anticipated construction timeline including start date, and name and phone number of the project manager and on-site foreman' Prior to construction of
the Off-site Water
Facilities.

City of Folsom Utilities
Department

1. For improvements that
would be located within the
City of Folsom: City of
Folsom Neighborhood
Services Department, City
of Folsom Community
Development Department,
and SMAQMD.

2. For improvements that
would be located within
unincorporated Sacramento
County: Sacramento CountY
Planning and Community
Development Department
and SMAQMD.

3. For improvements that
would be located within the
City of Rancho Cordova:

City of Rancho Cordova
Planning Department and
SMAQMD.
commercial, industrial, or mixed-use land uses is determined. Facilities that have the potential to emit objectionable odors shall be located as far away as feasible from existing and proposed sensitive receptors. > The multi-family residences planned across from the off-site corporation yard near the southwest corner of the SPA shall be set back as far as possible from the boundary of the corporation yard and/orlelocated to another area. (This measure is also required by Mitigation Measure 3A.2-4b to limit exposure to TAC emissions.)
> Before the approval of building permits, odor control devices shall be identified to mitigate the exposure of receptors to objectionable odors if a poiential odor-produ-cing source is to occupy an areazoned for commercial, industrial, or mixed-use land uses. The identified odor control devices shai be instailed before the issuance of certificates of occupancy for the potentially odor-producing use. The odorproducing potential of a source and control devices shall be determined in coordination with SMAQMD and based on the number of complaints associated with existing sources of the same nature. > The deeds to all properties located within the plan area that are within one mile of an on- or off-site area zoned or used for agricultural use (including livestock grazing) shall be accompanied by a written disclosure from the transferor, in a form approved by the City of Folsom, advising any transferei of the potential adverse odor impacts from surrounding agricultural operations, which disclosure shall direct the transferee 1o contact the County of Sacramento concerning any such property within the County zoned for agricultural uses within one mile of the subject property being transferred. > Truck loading docks and delivery areas shall be located as far away as feasible from existing and proposed sensitive receptors. > Signs shall be posted at all loading docks and truck loading areas which indicate that diesel-powered delivery trucks must be shut off when not in use for longer than 5 Linutes on the premises in order to reduce idling emissions. This measure is consistent with the ATCM to Limit Diesel-Fueled Commercial Motor Vehicle Idling, which was approved by California's Office of Administrative Law in January 2005. (This measure is also required by Mitigation Measure 3A.2-4b to limit TAC emissions.) > proposed commercial and industrial land uses that have the potential to host diesel trucks shall incorporate idle reduction strategies that reduce the main propulsion engine idling time through alternative technologies such as, IdleAire, electrification of truck parking, and alternative
"n"rgy
,6rr."", for iRUs, to allow diesel-engines to be completely turned off. (This measure is also required by Mitigation Measure 3A.2-4b to limit TAC emissions.)
where applicable, for all
project phases.

Mitigation Measure Timing lmplementation Enforcement
Dated Signature for
Verification of ComPliance
Table 1
Plan for the Folsom south of u.s. Highway 50 specific Plan Project Mitigation Monitoring and Reporting 3B.2 AIR QUALITY. WATER
AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
10

06/23/2026 Item No.18.
l'-
I
II
I
I
t.'
I
!"
I
t
I
I
t
fr
I
I
I
I
!
I
l. For improvements that
would be located within the
City of Folsom: City of
Folsom Neighborhood
Services Department, City
of Folsom Community
Development Department
City of Folsom Utilities
Department
Prior to the approval of
grading plans and
building permits for all
oflsite water pumping
facilities.

Mitigation Measure 38.2-3r: Cite Pump Siting Buffers Away from Sensitive Receptors. New pumping stations including back-up diesel generators shall be located more than 200 feet away from sensitive receptors. Electrically-powered pumps shall be used to power new pumps, to the extent practicable.

L For improvements that
would be located within the
City of Folsom: City of
Folsom Neighborhood
Services Department, City
of Folsom Community
Development Department,
and SMAQMD.

2. For improvements that
would be located within
unincorporated Sacramento
County: Sacramento Cougty
Planning and Community
Development Depaxhnent
and SMAQMD.

3. For improvements that
would be located within the
City of Rancho Cordova:

City of Rancho Cordova
Planning Department and
SMAQMD.

City of Folsom Utilities
Department
During construction of
all Off-site Water
Facilities.

Mitigation Measure 3B.2-1c: Implement Fugitive Dust Control Measures and a Particulate Matter Monitoring Program during Construction, The City shall implement fugitive dust conhol measures and a particulate matter monitoring program during construction. The City shall ensure implementation of dust control measures and a particulate matter monitoring program during each phase of construction.

Dust control measures may include, but are not limited to, the following:
> minimize on-site construction vehicle speeds on unpaved surfaces; > post speed limits;
> suspend grading operations when wind is sufficient to generate visible dust clouds; > pave, water, use gravel, cover, or spray a dust-control agent on all haul roads; > Prohibit no open burning of vegetation during project constrirction; t Chip or deliver vegetative material to waste-to-energy facilities; > reestablish vegetation as soon as possible after construction and maintain vegetation consistent with the parameters established in Mitigation Measure 38.2.1 a;
> clean earthmoving construction equipment with water once daily and clean all haul trucks leaving the site; and > water and keep moist exposed earth surfaces, graded areas, storage piles, and haul roads as needed to prevent fugitive dust.

1. For improvements that
would be located within the
City of Folsom: City of
Folsom Neighborhood
Services Department, City
of Folsom Community
Development Department,
and SMAQMD.

2. For improvements that
would be located within
unincorporated Sacramento
County: Sacramento County
Planning and Community
Development Department
and SMAQMD.

3. For improvements that
would be located within the
City of Rancho Cordova:

City of Rancho Cordova
Planning Department and
SMAQMD.

City of Folsom Utilities
Department
During construction of
all Off-site Water
Facilities.

Mitigation Measure 3B.2-1b: Conduct Visible Emissions Testing and if Non-Compliance, Repair Equipment Immediately. Controlling visible emissions from off-road diesel powered equipment. The City shall ensure that emissions from all off-road diesel powered equipment used on the project site do not exceed 40o/o opacity for more than three minutes in any one hour. Any equipment found to exceed40Yo opacity (or Ringelmann 2.0) shall be repaired immediately, and the City and SMAQMD shall be notified within 48 hours of identification of noncompliant equipment. A visual survey of all in-operation equipment shall be made at least monthly, and a quarterly sunmary of the visual survey results shall be submitted throughout the duration of the project, except that the monthly summary shall not be required for any 30-day period in which no construction activity occurs. The monthly summary shall include the quantity and type of vehicles surveyed as well as the dates ofeach survey.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project l
I
I
I
I
tL
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 11

06/23/2026 Item No.18.

Mitigation Measure 3A..3-1a: Design Stormwater Drainage Plans and Erosion and Sediment Control Plans to Avoid and Minimize Erosion and Runoff to Att Wetlands and Other Waters That Are to Remain on the SPA and Use Low Impact Development Features.

To minimize indirect effects on water quality and wetland hydrology, the project applicant(s) for any particular discretionary development application shall include stormwater drainage plans and erosion and sediment control plans in their improvement plans and shall submit these plans to the City Public Works Department for review and approval. For off-site elements within Sacramento County or El Dorado County jurisdiction (e.g., off-site detention basin and off-site roadway connections to El Dorado Hills), plans shall be submitted to the appropriate county planning department. Before approval of these improvement plans, the project applicant(s) for any particular discretionary development application shall obtain a NPDES MS4 Municipal Stormwater Permit and Grading Permit, comply with the City's Grading Ordinance and County drainage and stormwater quality standards, and commit to implementing all measures in their drainage plans and erosion and sediment control plans to avoid and minimize erosion and runoff into Alder Creek and all wetlands and other waters that would remain on-site. Detailed information about stormwater runoff standards and relevant City and County regulation is provided in Chapter 3A.9, "Hydrology and Water Quality."
The project applicant(s) for any particular discretionary development entitlement shall implement stormwater quality treatment controls consistent with the Stormwater Quality Design Manual for Sacramento and South Placer Regions in effect at the time the application is submitted. Appropriate runoff controls such as berms, storm gates, off-stream detention basins, overflow collection areas, filtration systems,

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Public Works Department.

2. For the two roadway
connections in El Dorado
Hills: El Dorado County
Development Services
Department.

3. For the detention basin west
of Prairie City Road:

Sacramento County
Planning and Community
Development Department.

Project applicant(s) of
all project phases and
on-site and off-site
elements.

Before approval of
improvement and
drainage plans, and on
an ongoing basis
throughout and after
project construction, as
required for all project
phases.

Mitigation Measure 38.2-3b: Conduct Project-Level DPM Screening and Implement Measures to Reduce Annual DPM to Acceptable Concentrations. Screeninglevel DPM assessments shall be conducted for diesel-powered pump operations proposed within 200 feet of residences or other sensitive receptors. These analyses should include exact distances between the receptors and operations, and include the actual DPM emissions for the engines proposed. If the analysis shows an annual average DPM concentration from project operations at residences within 200 feet of the DPM source to be greater than0.024 *drrf ,the engine location shall be moved to a location where the annual average DPM concenhation from project emissions at the residences is less than0.024 pdmt. The acceptable concentration of 0.024 pg/m3 was determined using the current OEHHA cancer potency factor and methodology for diesel exhaust (OEHHA 2003). If diesel exhaust concentrations at the affected receptor would be below 0.024 p/m3, then the cancer health risk would be less than 9.9 cancers in a million population.
l. For improvements that
would be located within the
City of Folsom: City of
Folsom Community
Development Department
and SMAQMD.

2. For improvements that
would be located within
unincorporated Sacramento
County: Sacramento Counfy
Planning and Community
Development Department
and SMAQMD.

3. For improvements that
would be located within the
City of Rancho Cordova:

City of Rancho Cordova
Planning Department and
SMAQMD.

City of Folsom Utilities
Department
Prior to the approval of
grading plans and
building permits for all
off-site water pumping
facilities.
and SMAQMD.

2. For improvements that
would be located within
unincoqporated Sacramento
Counfy: Sacramento County
Planning and Community
Development Department
and SMAQMD.

3. For improvements that
would be located within the
City of Rancho Cordova:

City of Rancho Cordova
Planning Department and
SMAQMD.

Timing Mitigation Measure
Dated Signature for
Verification of Compliance
Enforcement lmplementation
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project 3A.3 BIOLOGICAL RESOURCES. LAND
AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 12

06/23/2026 Item No.18.
l. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the two roadway
connections in El Dorado
Hills: El Dorado County
Development Services
Department.

3. For the detention basin west
of Prairie City Road:

Sacramento County
Planaing and Community
Development Department.

4. For the U.S. 50 interchange
improvements: Caltrans.

5. U.S. Army Corps of
Engineers, Sacramento
District; Central Valley
Regional Water Quality
Control Board as
Proj ect applicant(s) for
each discretionary
development entitlement
requiring fill of wetlands
or other waters of the
U.S. or waters of the
state.

Before the approval of
grading or improvement
plans or any grounddisturbing activities for
any project development
phase containing
wetland features or other
waters of the U.S.. The
MMP must be approved
before any impact on
wetlands can occur.

Mitigation shall be
implemented on an
ongoing basis
throughout and after
construction, as
required.

Mitigation Measure 3A.3-1b: Secure Clean Water Act Section 404 Permit and Implement All Permit Conditions; Ensure No Net Loss of Functions and Values of Wetlands, Other Waters of the U.S., and Waters of the State.

Before the approval of grading and improvement plans and before any groundbreaking activity associated with each distinct discretionary development entitlement, the project applicant(s) for any particular discretionary development application requiring fill of wetlands or other waters of the U.S. or waters of the state shall obtain all necessary permits under Sections 401 and 404 of the CWA or the state's PorterCologne Act for the respective phase. For each respective discretionary development entitlement, all permits, regulatory approvals, and permit conditions for effects on wetland habitats shall be secured before implementation of any grading activities within 250 feet of waters of ifie U.S. or wetland habitats or lesser distance deemed sufficiently protective by a qualified biologist with approval from USFWS, including waters of the state, that potentially support Federally listed species. The project applicant(s) shall commit to replace, restore, or enhance on a "no net loss" basis (in accordance with USACE and the Central Valley RWQCB) the acreage of all wetlands and other waters of the U.S. that would be removed, lost, and/or degraded with implementation of project plans for that development increment. Wetland habitat shall be restored, enhanced, and/or replaced at an acreage and location and by methods agreeable to USACE, the Central Valley RWQCB, and the City, as appropriate, depending on agency
jurisdiction, and as determined during the Section 401 and Section 404 permitting processes.

As part of the Section 404 permitting process, a draftwetland mitigation and monitoring plan (MMP) shall be developed for the project on behalfofthe project applicant(s). Before any ground-disturbing activities in an area that would adversely affect wetlands and before engaging in mitigation activities associated with each discretionary development entitlement, the project applicant(s) shall submit the draft wetland MMP to USACE, the Central Valley RWQCB, Sacramento County, El Dorado County, and the City for review and approval of those portions of the plan over which they have
jurisdiction. The MMP would have to be finalized prior to impacting any wetlands. Once the final MMP is approved and implemented, mitigation monitoring shall continue for a minimum of 5 years from completion of mitigation, or human intervention (including recontouring and grading), or until the performance standards identified in the approved MMP have been met, whichever is longer.

As part of the MMP, the project applicant(s) shall prepare and submit plans for the creation of aquatic habitat in order to adequately offset

4. For the U.S. 50 interchange
improvements : Caltrans.

5. U.S. Army Corps of
Engineers, Sacramento
District.

6. Central Valley Regional
Water Quality Control
Board.
and sediment traps shall be implemented to control siltation and the potential discharge of pollutants. Development plans shall incorporate Low Impact Development (LID) features, such as pervious strips, permeable pavements, bioretention ponds, vegetated swales, disconnected rain gutter downspouts, and rain gardens, where appropriate. Use of LID features is recommended by the EPA to minimize impacts on water quality, hydrology, and stream geomorphology and is specified as a method for protecting water quality in the proposed specific plan. In addition, free spanning bridge systems shall be used for all roadway crossings over wetlands and other waters that are retained in the on-site open space. These bridge systems would maintain the natural and restored channels of creeks, including the associated wetlands, and would be designed with sufficient span width and depth to provide for wildlife movement along the creek corridors even during high-flow or flood events, as specified in the 404 permit.

In addition to compliance with City ordinances, the project applicant(s) for any particular discretionary development application shall prepare a Stormwater Pollution Prevention Plan (SWPPP), and implement Best Management Practices (BMPs) that comply with the General Construction Stormwater Permit from the Central Valley RWQCB, to reduce water quality effects during construction. Detailed information about the SWPPP and BMPs are provided in Chapter 3A.9, "Hydrology and Water Quality." Each project development shall result in no net change to peak flows into Alder Creek and associated tributaries, or to Buffalo Creek, Carson Creek, and Coyote Creek. The project applicant(s) shall establish a baseline ofconditions for drainage on-site. The baseline-flow conditions shall be established for 2-,5-, and 1O0-year storm events. These baseline conditions shall be used to develop monitoring standards for the stormwater system on the SPA. The baseline conditions, monitoring standards, and a monitoring program shall be submitted to USACE and the City for their approval. Water quality and detention basins shall be designed and constructed to ensure that the performance standards, which are described in Chapter 3A.9, "Hydrology and Water Quality," are met and shall be designed as off-stream detention basins.

Discharge sites into Alder Creek and associated tributaries, as well as tributaries to Carson Creek, Coyote Creek, and Buffalo Creek, shall be monitored to ensure that preproject conditions are being met. Corrective measures shall be implemented as necessary. The mitigation measures will be satisfied when the monitoring standards are met for 5 consecutive years without undertaking corrective measures to meet the performance standard.

See FEIR/FEIS Appendix S showing that the detention basin in the northeast corner of the SPA has been moved off stream.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase in consultation with the affected oversight agency(ies) (i.e., El Dorado County for the roadway connections, Sacramento County for the detention basin west of Prairie City Road, and Caltrans for the U.S. 50 interchange improvements) such that the performance standards described in Chapter 3A.9, "Hydrology and Water Quality," are met' Dated Signature for
Verification of Gompliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Folsom South of U.S. Highway 50 Specific Plan
Cig of Folsom
AECOM
Mitigation Monitoring and Reporting Program 13

06/23/2026 Item No.18.
appropriate depending on
agency jurisdiction, and as
determined during the
Section 401 and Section 404
permitting processes and in
compliance with the City's
Grading Ordinance (Folsom
Municipal Code 14.29), or
appropriate county grading
ordinance for off-site
detention basin and roadway
connections from Folsom
Heights to El Dorado Hills.
and replace the aquatic functions and services that would be lost at the SPA, account for the temporal loss of habitat, and contain an adequate margin of safety to reflect anticipated success. Restoration of previously altered and degraded wetlands shall be a priority of the MMP for offsetting losses of aquatic functions on the SPA because it is typically easier to achieve functional success in restored wetlands than in those created from uplands. The MMP must demonstrate how the aquatic functions and values that would be lost through project implementation will be replaced.

The habitat MMP for
jurisdictional wetland features shall be consistent with USACE's and EPA's April 10, 2008 Final Rule for Compensatory Mitigation for Losses of Aquatic Resources (33 CFR Parts 325 and 332 and 40 CFR Part 230) and USACE's October 26, 2070 Memorandum Re: Minimum Level of Documentation Requiredfor Permit Decislozs. According to the Final Rule, mitigation banks should be given preference over other types of mitigation because a lot of the risk and uncertainty regarding mitigation success is alleviated by the fact that mitigation bank wetlands must be established and demonstrating functionality before credits can be sold. The use of mitigation credits also alleviates temporal losses of wetland function while compensatory wetlands are being established. Mitigation banks also tend to be on larger, more ecologically valuable parcels and are subjected to more rigorous scientific study and planning and implementation procedures than typical permittee-responsible mitigation sites (USACE and EPA, 2008). Permittee-responsible on-site mitigation areas can be exposed to long-term negative effects of surrounding development since they tend to be smaller and less buffered than mitigation banks. The Final Rule also establishes a preference for a "watershed approach" in selecting locations for compensatory mitigation project locations, that mitigation selection must be "appropriate and practicable" and that mitigation banks must address watershed needs based on criteria set forth in the Final Rule. The watershed approach accomplishes this objective by expanding the informational and analytic basis of mitigation project site selection decisions and ensuring that both authorized impacts and mitigation are considered on a watershed scale rather than only project by project. This requires a degree offlexibility so that district engineers can authorize mitigation projects that most effectively address the case-specific circumstances and needs of the watershed, while remaining practicable for the permittee. The SPA includes portions of the Alder Creek, Buffalo Creek, Coyote Creek, and Carson Creek Watersheds. The majority of the SPA is within the Alder Creek Watershed. Alder Creek and Buffalo Creek are part of the Lower American River Watershed. Carson Creek and Coyote Creek arepart of the Cosumnes River Watershed. Mitigation credits may be available within the Cosumnes Watershed, but not within the American River Watershed and not within the sub-watersheds of the SPA. Therefore aquatic habitats may need to be restored or created on the SPA and adjacent off-site lands, preferably within the affected watersheds, in order to successfully replace lost functions at the appropriate watershed scale where loss of function would occur. It is not likely feasible to provide compensatory mitigation for all aquatic resource impacts on site.

Therefore, a combination of on-site and off-site permittee-responsible mitigation and mitigation banking would likely be necessary to achieve the no-net-loss standard.

The SPA is located within the service areas of several approved mitigation banks (e.g., Bry.te Ranch, Clay Station, Fitzgerald Ranch, and Twin City Mitigation Bank). The majority of compensatory mitigation for wetland impacts is proposed to be accomplished at an agencyapproved mitigation bank or banks authorized to sell credits to offset impacts in the SPA. The applicants' biological consultant, ECORP, has identified availability of approximately 3 I vernal pool credits and 228 seasonal wetland credits at mitigation banks whose service area includes the SPA. Additional credits may also be available from pending, but not yet approved, mitigation banks. However, availability is subject to change and, as noted above, a combination of mitigation bank credits and permittee-responsible on and off-site mitigation may be necessary to fully offset project impacts on wetlands and other waters of the U.S. If USACE determines that the use of rnitigation bank credits is not sufficient mitigation to offset impacts within the SPA, the October 26,2070 Memorandum Re: Minimum Level of Documentation Required for Permit Decisions requires USACE to specifically demonstrate why the use of bank credits is not acceptable to USACE in accordance with Section 33 CFR 332.3(a)(1).

Compensatory mitigation for losses of stream and intermittent drainage channels shall follow the Final Rule Guidelines , which speciSr that compensatory mitigation should be achieved through in-kind preservation, restoration, or enhancementwithin the same watershed, subject to practicability considerations. The wetland MMP shall address how to mitigate impacts on vernal pool, seasonal swale, seasonal wetland, seep, marsh, pond, and intermittent and peremial stream habitat, and shall describe specific method(s) to be implemented to avoid and,/or mitigate any off-site project-related impacts. The wetland compensation section of the habitat MMP shall include the following:
> Compensatory mitigation sites and criteria for selecting these mitigation sites. In General, compensatory mitigation sites should meet the following criteria, based on the Final Rule;
located within the same watershed as the wetland or other waters that would be lost, as appropriate and practicable; . located in the most likely position to successfully replace wetland functions lost on the impact site considering watershed-scale features such as aquatic habitat diversity, habitat connectivity, available water sources and hydrologic relationships, land use trends, ecological benefits, and compatibilify with adjacent land uses, and the likelihood for success and sustainability; > A complete assessment of the existing biological resources in both the on-site preservation areas and off-site compensatory mitigation Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 14

06/23/2026 Item No.18.

I
r
I
rI
i
r'
i
i
{
1 t
I
f
i
f
\
I
I
t
i
t
I
I
r
t
i
t
1 tareas, including wetland functional assessment using the California Rapid Assessment Method (CRAM) (Collins et al. 2008), or other appropriate wetland assessment protocol as determined through consultation with USACE and the USFWS, to establish baseline conditions;
> Specific creation and restoration plans for each mitigation site; > {Jse of CRAM to compare compensatory wetlands to the baseline CRAM scores from wetlands in the SPA. The compensatory wetland CRAM scores shall be compared against the highest quality wetland of each type from the SPA; > CRAM scores, or other wetland assessment protocol scores, from the compensatory wetlands shall be compared against the highest quality wetland scores for each wetland type to document success of compensatory wetlands in replacing the functions of the affected wetlands to be replaced;
> Monitoring protocol, including schedule and annual report requirements, and the following elements:
. ecological performance standards, based on the best available science, that can be assessed in a practicable manner (e.g., performance standards proposed by Barbour et al.2O07). Performance standards must be based on attributes that are objective and verifiable;
. assessments conducted annually for 5 years after construction or restoration of compensatory wetlands to determine whether these areas are acquiring wetland functions and to plot the performance trajectory of preserved, restored, or created wetlands over time.

Assessments results for compensatory wetlands shall also be compared against scores for reference wetlands assessed in the same year;
. assessments analysis conducted annually for 5 years after any construction adjacent to wetlands preserved on the SPA to determine whether these areas are retaining functions and values. Assessments results for wetlands preserved on site shall also be compared against scores for reference wetlands assessed in the same year; . analysis of assessments data, including assessment of potential stressors, to determine whether any remedial activities may be necessary;
. corrective measures if performance standards are not met; . monitoring of plant communities as performance criteria (annual measure of success, during monitoring period) and success criteria (indicative of achievement of mitigation habitat requirement at end of monitoring period) for hydrologic function have become established and the creation site "matures" over time;
. GIS analysis of compensatory wetlands to demonstrate actual acreage of firnctioning wetland habitat; . adaptive management measures to be applied if performance standards and acreage requirements are not being met; . responsible parties for monitoring and preparing reports; and . -responsible parties for receiving and reviewing reports and for veriffing success or prescribing implementation or corrective actions.

A final operations and management plan (OlvP) for all on- and off-site permittee-sponsored wetland preservation and mitigation areas shall be prepared and submitted to USACE and USFWS for review, comment and preliminary approval prior to the issuance of any permits under Section 404 of the CWA. The plan shall include detailed information on the habitats present within the preservation and mitigation areas, the long-term management and monitoring of these habitats, legal protection for the preservation and mitigation areas (e.9., conservation easemento declaration of restrictions), and funding mechanism information (e.g., endowment). A final OMP for each discretionary development entitlement affecting wetlands must be approved prior to construction.

USACE has determined that the project will require an individual permit. In its final stage and once approved by USACE, the MMP for the project is expected to detail proposed wetland restoration, enhancement, and/or replacement activities that would ensure no net loss of aquatic functions in the project vicinity. Approval and implementation of the wetland MMP shall aim to fully mitigate all unavoidable impacts on jurisdictional waters of the U.S., including jurisdictional wetlands. In addition to USACE approval, approval by the City, Sacramento County, El Dorado County, and the Central Valley RWQCB, as appropriate depending on agency jurisdiction, and as determined during the
Section 401 and Section 404 permitting processes, will also be required. Approvals from Sacramento County and El Dorado County shall be required for impacts resulting from off-site project elements occurring in these counties, such as the off-site detention basin in Sacramento County and the roadway coniections into Ei Dlrado County. To satisff the requirements of the Cify and the Central Valley RWQCB, mitigation of impacts on the nonjurisdictional wetlands beyond the jurisdiction of USACE shall be included in the same MMP. All mitigation requirements determined through this process shall be implemented before grading plans are approved. The MMP shall be submitted to USACE and approved prior to the issuance of any permits under Section 404 of the CWA.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project il
i
t--
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 15

06/23/2026 Item No.18.

1. For all project-related
improvements that would be
located within the City of
Folsom; City of Folsom
Community Development
Department.

2. For the detention basin west
of Prairie City Road:

Sacramento County
Planning and Community
Development Department.

3. For the U.S. 50 interchange
improvements : Caltrans.

Project applicant(s) of
all project phases.

Before the approval of
grading, improvement,
or construction plans
and before any grounddisturbing activity in
any proj ect development
phase that would affect
Swainson's hawk
foraging habitat.

Mitigation Measure 3A.3-2b: Prepare and Implement a Swainson's Hawk Mitigation Plan.

To mitigate for the loss of Swainson's hawk foraging habitat, the project applicant(s) of all project phases shall prepare and implement a Swainson's hawk mitigation plan including, but not limited to the requirements described below.

Before the approval of grading and improvement plans or before any ground-disturbing activities, whichever occlus first, the project applicant(s) shall preserve, to the satisfaction of the City or Sacramento County, as appropriate depending on agency jurisdiction, suitable
Swainson's hawk foraging habitat to ensure l:l mitigation of habitat value for Swainson's hawk foraging habitat lost as a result of the project, as determined by the City, or Sacramento County, after consultation with DFG and a qualified biologist.

The 1: I habitat value shall be based on Swainson's hawk nesting distribution and an assessment of habitat quality, availability, and use within the City's planning area, or Sacramento County
jurisdiction. The mitigation ratio shall be consistent with the 1994 DFG Swainson's Hqwk Guidelines included in the StaffReport Regarding Mitigationfor Impacts to Swainson's Hawks @uteo swainsoni/ in the Central Valley of Califurnia, which call for the following mitigation ratios for loss of foraging habitat in these categories: 1 : I if within I mile of an active nest site, 0.75:l if over 1 mile but less than 5 miles, and 0.5:l if over 5 miles but less than 10 miles from an active nest site. Such mitigation shall be accomplished through credit purchase from an established mitigation bank approved to sell Swainson's hawk foraging habitat credits to mitigate losses in the SPA, if available, or through the transfer of fee title or perpetual conservation easement. The mitigation land shall be located within the known foraging area and within Sacramento County. The City, or Sacramento Counfy if outside City jurisdiction, after consultation with DFG, will determine the appropriateness of the mitigation land.

Before approval of such proposed mitigation, the City, or Sacramento County for the off-site detention basin, shall consult with DFG regarding the appropriateness of the mitigation. If mitigation is accomplished through conservation easement, then such an easement shall ensure the continued management of the land to maintain Swainson's hawk foraging values, including but not limited to ongoing agricultural uses and the maintenance of all existing water rights associated with the land. The conservation easement shall be recordable and shall prohibit any activity that substantially impairs or diminishes the land's capacity as suitable Swainson's hawk habitat l. Califomia Department of
Fish and Game.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For the two roadway
connections.in El Dorado
Hills: El Dorado County
Development Services
Department.

4. For the U.S. 50 interchange
improvements: Caltrans.

5. For the detention basin west
of Prairie City Road:

Sacramento County
Planning and Community
Development Department.

Project applicant(s) of
all project phases.

Before the approval of
grading and
improvement plans,
before any grounddisturbing activities, and
during project
construction as
applicable for all project
phases.

Mitigation Measure 3A.3-2zz Avoid Direct Loss of Swainson's Hawk and Other Raptor Nests. To mitigate impacts on Swainson's hawk and other raptors (including burrowing owl), the project applicant(s) of all project phases shall retain a qualified biologist to conduct preconstruction surveys and to identit/ active nests on and within 0.5 mile of the SPA and active burrows on the SPA. The surveys shall be conducted before the approval of grading and/or improvement plans (as applicable) and no less than 14 days and no more than 30 days before the beginning of construction for all project phases. To the extent feasible, guidelines provided in Recommended Timing and Methodology for Swainson's Hawk Nesting Surveys in the Central Valley (Swainson's Hawk Technical Advisory Committee 2000) shall be followed for surveys for Swainson's hawk. If no nests are found, no further mitigation is required.

If active nests are found, impacts on nesting Swainson's hawks and other raptors shall be avoided by establishing appropriate buffers around the nests. No project activity shall cornmence within the buffer area until the young have fledged, the nest is no longer active, or until a qualified biologist has determined in consultation with DFG that reducing the buffer would not result in nest abandonment. DFG guidelines recommend implementation of 0.25- or 0.5-mile-wide buffers, but the size of the buffer may be adjusted if a qualified biologist and the City, in consultation with DFG, determine that such an adjustment would not be likely to adversely affect the nest. Monitoring of the nest by a qualified biologist during and after construction activities will be required if the activity has potential to adversely affect the nest.

If active burrows are found, a mitigation plan shall be submitted to the City for review and approval before any ground-disturbing activities.

The City shall consult with DFG. The mitigation plan may consist of installation of one-way doors on all burrows to allow owls to exit, but not reenter, and construction of artificial burrows within the project vicinity, as ne.eded; however, burrow owl exclusions may only be used if a qualified biologist verifies that the burrow does not contain eggs or dependent young. Ifactive burrows contain eggs and/or young, no construction shall occur within 50 feet of the burrow until young have fledged. Once it is confirmed that there are no owls inside burrows, these burrows may be collapsed.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be developed by the project applicant(s) of each applicable project phase in consultation with the affected oversight agency(ies) (i.e., El Dorado and,/or Sacramento Counties, or Caltrans), such that the performance criteria set forth in DFG's guidelines are determined to be met.

Water quality certification pursuant to Section 401 of the CWA will be required before issuance of a Section 404 permit. Before construction in any areas containing wetland features, the project applicant(s) shall obtain water quality certification for the project. Any measures required as part of the issuance of water quality certification shall be implemented.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be developed by the project applicant(s) of each applicable project phase in consultation with the affected oversight agency(ies) (i.e., Caltrans, El Dorado and/or Sacramento Counties).

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 16

06/23/2026 Item No.18.

Mitigation Measure 3A.3-2d: Avoid and Minimize Impacts to Special-Status Bat Roosts. The project applicant of all project phases conta-ining potential bat roosting habitat shall retain a qualified biologist to conduct surveys for roosting bats. Surveys shall be conducted in the fall toGtermine if the mine shaft is used as a hibernaculum and in spring and/or summer to determine if it is used as a maternity or day roost. Surveys shall consist ofevening emergence surveys to note the presence or absence ofbats and could consist ofvisual surveys at the time of emeigence. If evidence of bat use is observed, the number and species of bats using the roost shall be determined. Bat detectors may be used to supplement survey efforts. If no bat roosts are found, then no further study shall be required. may e o.b. be efforts during restricted 1n or activity ( of sensitive periods are while during hibernation nurslng colonies matemity females may or roost entrances
can roost entrances not leave (bats no sealing reenter), but contain to be site when the bats. confirmed Exclusion 1n use may developed shall be procedures DFG before consultation with one-way methods implementation. Exclusion at of include doors IS roostlng program site the mrne before mitigation removed. shaft A roost exclusion addressing compensation, removal and methods, S or are roosts bat of pallid If
to must bats big-eared Townsend present be and determined be from the be excluded bats shall removed, the Before the approval of
removal or fill of the
mine shaft on the SPA.

City of Folsom Community
Development Department.

Project applicant(s) of
all project phases
containing potential bat
roosting habitat.

Mitigation Measure 3A.3-2c: Avoid and Minimize Impacts to Tricolored Btackbird Nesting Colonies. To avoid and minimize impacts to tri-colored blackbird, the project applicant(s) ofall project phases shall conduct a preconstruction survey for any project activity that would occur during the tricolored
-Ufutmmt
nesting season (March l-August 31). The preconstruction survey shall be conducted by a qualified biologist belfore any activity occurring within 500 feet of suitable nesting habitat, including freshwater marsh and areas of riparian scrub vegetation. The survey shall be conducted within 14 days before project activity begins.

If no hicolored blackbird colony is present, no further mitigation is required. If a colony is found, the qualified biologist shall establish a buffer around the nesting colony. N-o project activity shall commence within the buffer area until a qualified biologist confirms that the colony is no longer activl. Theiize oitfr" buff"r shall be determined in consultation with DFG. Buffer size is anticipated to range from 100 to 50d feet, depurding on the nature of the project activity, the extent of existing disturbance in the area, and other relevant circumstances.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries (i.e., U.S. 50 interchange improvements) must be dJveloped by the project applicant(s) ofeach applicable project phase in consultation with the affected oversight agenc!(ies) (i.e., Caltrans) and must be sufficient to achieve the performance criteria described above.

Project applicant(s) of
all project phases.

Before the approval of
any ground-disturbing
activity within 500 feet
of suitable nesting
habitat as applicable for
all project phases.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the U.S. 50 interchange
improvements: Caltrans.

The project applicant(s) shall transfer said Swainson's hawk mitigation land, through either conservation easement or fee title, to a thirdparty, nonprofit conservation organization (Conservation Operator), with the City and DFG named as third-party beneficiaries. The -Conservation Operator shall be a qualified conservation easement land manager that manages land as its primary function. Additionally, the Conservation Operator shall be a tax-exempt nonprofit conservation organization that meets the criteria of Civil Code Section 815.3(a) and shall be selected or approved by the City oi County, after consultation with DFG. The City, or County, after consultation with DFG and the Conservation Operator, shall aiprove the content and form of the conservation easement. The City, or Counfy, DFG, and the Conservation Operator shall each have the po*"r to enforce the terms of the conservation easement. The Conservation Operator shall monitor the easement in perpetuity to assure compliance with the terms of the easement.

The project applicant(s), after consultation with the City, or County ofjurisdiction, DFG, and the Conservation Operator, shall esiablish an endowment oirorrr" other financial mechanism that is sufficient to firnd in perpetuify the operation, maintenance, management, and enforcement of the conservation easement. If an endowment is used either the endowment funds shall be submitted to the City for impacts on lands within the City,s
jurisdiction or Sacramento County for the off-site detention basin to be distributed to an appropriate third-parfy nonprofit conservation ug"n"y,or they shall be submitted direcily to the third-party nonprofit conservation agency in exchange for an agreement to manage and 11ui"tui" the lands in perpetuity. The Conservation Operator shall not sell, lease, or transfer any interest of any conservation easement or mitigation land it acquires without prior written approval of the City and DFG. Mitigation lands established or acquired for impacts incurred at the Jff-site detentionbasin shall require approval from Sacramento County prior to sale or transfer of mitigation lands or conservation easement.

If the Conservation Operator ceases to exist, the duty to hold, administer, manage, maintain, and enforce the interest shall be transferred to ;;;;h";;it u"""ptuUt" to the City and DFG, or Sacramento County and DFG-depending on jurisdiction of the affected habitat. The City
planning Deiartment shall ensure that mitigation habitat established for impacts on habitat within the City's planning area is properly established and is functioning as habitat byreviewing regular monitoring reports prepared by the Conservation Operator of the mitigation site(s). Monitoring of the miiigation site(s) shall continue for the first 10 years after establishment of the easement bnd shall be funded thr;;h the endowment, or otier appropriate funding mechanism, established by the project applicant(s). Sacramento County shall review the monitoring reports for impacts on habitat at the off-site detention basin.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of eactr applicable project phase with the affected oversight agency(ies) (i.e., Sacramento County and Caltrans).

Timing Mitigation Measure
lmplementation
Dated Signature for
Verification of Compliance
Enforcement
ng Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Mitigation Monitoring and Reporti Table 1
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 17

06/23/2026 Item No.18.
l. U.S. Fish and Wildlife
Service

2.City of Folsom Community
Development Department.
i. For the Lf.S. 50 interchange
improvements: Caltrans.

Project applicant(s) of
all project phases
potentially containing
elderberry shrubs.

Before the approval of
any grading or
improvement plans or
any groqd-disturbing
activity within 100 feet
ofvalley elderberry
longhorn beetle habitat
as applicable for all
project phases, and on
an ongoing basis as
required by the habitat
conservation plan and/or
BO.

Mitigation Measure 3A.3-2f: Obtain an Incidental Take Permit under Section 10(a) of ESA; Develop and Implement a Habitat Conservation Plan to Compensate for the Loss of VELB Habitat. As long as valley elderberry longhorn beetle remains a species protected under ESA, the project applicant(s) of all project phases containing elderberry shrubs shall obtain an incidental take permit under Section 10(a) ofESA for valley elderberry longhorn beetle. No project construction shall proceed in areas potentially containing valley elderberry longhorn beetle until a BO has been issued by USFWS, and the project applicant(s) for all pro.iect phases have abided by all pertinent conditions in the take permit relating to the proposed construction, including all conservation and minimization measures.

Conservation and minimization measures are likely to include preparation of supporting documentation that describes methods for relocation of existing shrubs and maintaining existing shrubs and other vegetation in a conservation area.

Under the No Federal Action Alternative, interagency consultation under Section 7 of ESA would not occur; therefore, the project applicant(s) would be required to develop a habitat conservation plan to mitigate impacts on valley elderberry longhorn beetle. The project applicant(s) shall complete and implement a habitat conservation plan that will compensate for the loss of valley elderberry longhom beetle.

Relocation of existing elderberry shrubs and planting of new elderberry seedlings shall be implemented on a no-net-loss basis. Detailed information on monitoring success of relocated and planted shrubs and measures to compensate (should success criteria not be met) would also likely be required in the BO. Ratios for mitigation of valley elderberry longhorn beetle habitat will ultimately be determined through the ESA Section l0(a) consultation process with USFWS, but shall bc a minimum of "no net loss." Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries (i.e., U.S. 50 interchange improvements) must be coordinated by the project applicant(s) ofeach applicable project phase with the affected oversight agency(ies) (i.e., Caltrans). l. U.S. Fish and Wildlife
Service.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For the two roadway
connections in El Dorado
Hills: El Dorado County
Development Services
Department.

4. For the detention basin west
of Prairie City Road:

Sacramento County
Planning and Community
Development Department.

5. For the U.S. 50 interchange
improvements : Caltrans.

Project applicant(s) of
all project phases and
on-site and off-site
elements.

Before the approval of
any grading or
improvement plans,
before any grounddisturbing activities
within 250 feet of said
habitat, and on an
ongoing basis
throughout construction
as applicable for all
project phases as
required by the habitat
conservation plan and/or
BO.

Mitigation Measure 3A.3-2e: Obtain an Incidental Take Permit under Section 10(a) of ESA; Develop and Implement a Habitat Conservation Plan to Compensate for the Loss of Vernal Pool Habitat. The project applicant(s) for all project phases shall obtain an incidental take permit under Section 10(a) of ESA. No project construction shall proceed in areas supporting potential habitat for Federally listed vemal pool invertebrates, or within adequate buffer areas (250 feet or lesser distance deemed sufficiently protective by a qualified biologist with approval from USFWS), until a BO has been issued by USFWS and the project applicant(s) have abided by conditions in the BO (including all conservation and minimization measures). Conservation and minimization measures are likely to include preparation of supporting documentation describing methods to protect existing vemal pools during and after project construction.

Under the No Federal Action Alternative, interagency consultation under Section 7 of ESA would not occur; therefore, the project applicant(s) would be required to develop a habitat conservation plan to mitigate impacts on Federally listed vernal pool invertebrates. The project applicant(s) shall complete and implement, or participate in, a habitat conservation plan that shall compensate for the loss of acreage, function, and value of affected vernal pool habitat. The habitat conservation plan shall be consistent with the goals of the Recovery Plan for Vernal Pool Ecosystems of Califomia and Southern Oregon (USFWS 2005) and must be approved by USFWS.

The project applicant(s) for all project phases shall ensure that there is sufficient upland habitat within the target areas for creation and restoration of vernal pools and vernal pool complexes to provide ecosystem health. The land used to satisfy this mitigation measure shall be protected through a fee title or conservation easement acceptable to the City and USFWS.

The project applicant(s) for all project phases shall identify the extent of indirectly affected vemal pool and seasonal wetland habitat, either by identi$ing all such habitat within 250 feet of project construction activities or by providing an alternative technical evaluation in support of a lesser indirect impact distance. If a lesser distance is pursued, this distance shall be approved by USFWS. The project applicant(s) shall preserve 2 wetted acres of vemal pool habitat for each wetted acre of any indirectly affected vemal pool habitat. This mitigation shall occur before the approval of any grading or improvement plans for any project phase that would allow work within 250 feet of such habitat, and before any ground-disturbing activify within 250 feet of the habitat. The project applicant(s) will not be required to complete this mitigation measure for direct or indirect impacts that have already been mitigated to ttre satisfaction of USFWS through another BO or mitigation plan.

A standard set of BMPs shall be applied to construction occurring in areas within 250 feet of off-site vemal pool habitat, or within any lesser distance deemed adequate by a qualified biologist (with approval from USFWS) to constitute a sufficient buffer from such habitat. Refer to Section 3A.9, "Hydrology and Water Quality -Land" for the details of BMPs to be implemented.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., El Dorado and/or Sacramento Counties or Caltrans). young). The loss of each roost (if any) will be replaced in consultation with DFG and may include construction and installation of bat boxes suitable to the bat species and colony size excluded from the original roosting site. Roost replacement will be implemented before bats are excluded from the original roost sites. Once the replacement roosts are constructed and it is confirmed that bats are not present in the original roost site, the mine shaft may be removed.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan p Table I
roject
AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Ptan
City of Folsom
'18

06/23/2026 Item No.18.

Mitigation Measure 3A.3-2h: Obtain Incidental Take Permit for Impacts on Valley Elderberry Longhorn Beetle and Implement All permit Conditions. Before each phase of the project, the project applicant(s) shall have a qualified biologist identify any elderberry shrubs within 100 feet of the project footprint and conduct a survey for valley elderberry longhorn beetle exit holes in stems greater than I inch in diameter. If no projeciactivity, including grading or use of herbicides, would occur within 100 feet of an elderberry shrub, then no further mitigation shall be required for valley elderberry longhorn beetle in those areas.

If project activities would occur within 100 feet of any elderberry shrubs, consultation with USFWS under Section 7 will be required. No pro.lrit construction shall proceed in areas potentially containing valley elderberry longhorn beetle until a BO has been issued by USFWS, und t6" project applicant(s) of all project phases have abided by all pertinent conditions in the BO relating to the proposed construction, including conservation and minimization measures, intended to be completed before on-site construction. Conservation and minimization measures are likely to include preparation of supporting documentation that describes methods for relocation of existing shrubs and maintaining existing shrubs and other vegetation in a conservation area.

Relocation of existing elderberry shrubs and planting of new elderberry seedlings shall be implemented consistent with the mitigation ratios Project applicant(s) of
all project phases.

Before the approval of
any grading or
improvement plans or
any ground-disturbing
activity within 100 feet
ofvalley elderberry
longhom beetle habitat
as applicable for all
project phases, and on
an ongoing basis as
required by BO.

1. U.S. Army Corps of
Engineers, Sacramento
District; U.S. Fish and
Wildlife Service.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For the U.S. 50 interchange
improvements: Caltrans.

Before the approval of
any grading or
improvement plans,
before any grounddisturbing activities
within 250 feet of said
habitat or lesser distance
deemed sufficiently
protective by a qualified
biologist with approval
from USFWS, and on an
ongoing basis
throughout construction
as applicable for all
project phases as
required by the
mitigation plan, BO,
and/or BMPs.

Mitigation Measure 3A.3-2g: Secure Take Authorization for Federally Listed Vernal Pool Invertebrates and Implement All Permit Conditions. No project construction shall proceed in areas supporting potential habitat for Federally listed vernal pool invertebrates, or within adequate buffer areas (250 feet or lesser distance deemed sufficiently protective by a qualified biologist with approval from USFWS), until a biological opinion (BO) or Not Likely to Adversely Affect G\ILAA) letter has been issued by USFWS and the project applicant(s) for any particular discietionary development entitlements affecting such areas have abided by conditions in the BO (including conservation and minimization measures) intended to be completed before on-site construction. Conservation and minimization measures shall include preparation of supporting documentation describing methods to protect existing vernal pools during and after project construction, a detailed monitoring plan, and reporting requirements.

As described under Mitigation Measure 3A.3-1a, an MMP shall be developed that describes details how loss of vernal pool and other wetland habitats shall be offset, including details on creation of habitat, account for the temporal loss of habitat, contain performance standards to ensure success, and outline remedial actions if performance standards are not met.

The project applicant(s) for any particular discretionary development application potentially affecting vernal pool habitat shall complete and impGment u ftuUitut MMP that will result in no net loss of acreage, function, and value of affected vernal pool habitat. The final habitat MMP snatt Ue consistent with guidance provided in Programrnatic Formal Endangered Species Act Consultation on Issuance of 404 Permits for projects with Relativety Small Effects on Listed Vernal Pool Crustaceans within the Jurisdiction of the Sacrarnento Field Office, California pSFWS 1996) or shail provide an altemative approach that is acceptable to the City, USACE, and USFWS and accomplishes no net loss of habitat aareage, function, and value.

The project applicant(s) for any particular discretionary development application "potentially affecting vernal pool habitat" shall ensure that tnere isiumcient upland habitat within the target areas for creation and restoration of vemal pools and vernal pool complexes to provide ecosystem health. This standard shall be accomplished by requiring the project appticant(s) for any discretionary development application affecting vernal pool or seasonal wetland habitat to identiff the extent of indirectly affected vemal pool and seasonal wetland habitat, either by identifying all such habitat within 250 feet ofproject construction activities or by providing an alternative technical evaluation. Ifa lesser distance is pursued, this distance shall be approved by USFWS. The project applicant(s) shall preserve acreage of vemal pool habitat for each wetted acre of any indirectly affected vernal pool habitat at a ratio approved by USFWS at the conclusion of the Section 7 consultation. This mitigation shall occur befoie the approval olany grading or improvement plans for any project phase that would allow work'within 250 feet of such habitat or lesser distance deemed sufficiently protective by a qualihed biologist with approval from USFWS, and before any grounddisturbing activity within 250 feet of the habitat or lesser distance deemed sufficiently protective by a qualified biologist with approval from USFWS.lhe project applicant(s) will not be required to complete this mitigation measure for direct or indirect impacts that have already been mitigated tothe sitisfaction of USFWS through another BO or mitigation plan (i.e., if impacts on specific habitat acleage are mitigated by one project phase or element, the project appticant(s) will not be required to mitigate for it again in another phase of the project).

A standard set of BMPs shall be applied to construction occurring in areas within 250 feet of off-site vernal pool habitat, or within any lesser distance deemed adequate by a qualified biologist (with approval from USFWS) to constitute a sufficient buffer from such habitat. Refer to Section 3A.9, "Hydrology and Water Quality
- Land" for the details of BMPs to be implemented.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be developed by the project applicant(s) of each applicable project phase in consultation with the affected oversight agency(ies) (i.e., El Dorado and/or Sacramento Counties, or Caltrans).

1. U.S. Army Corps of
Engineers, Sacramento
District; U.S. Fish and
Wildlife Service.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For the two roadway
connections in El Dorado
Hills: El Dorado County
Development Services
Department.

4. For the U.S. 50 interchange
improvements: Caltrans.

5. For the detention basin west
of Prairie City Road:

Sacramento County
Planning and Community
Development Department.

Project applicant(s) of
all project phases.
lmplementation Timing
Dated Signature for
Verification of Compliance
Enforcement
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 19

06/23/2026 Item No.18.
l. U.S. Fish and Wildlife
Service, Califomia
Department of Fish and
Game.

2. F or all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For the two roadway
connections in El Dorado
Hills: El Dorado County
Development Services
Department.

4. For the detention basin west
of Prairie City Road:

Sacramento County
Planning and Community
Development Department.

5. For the U.S. 50 interchange
improvements: Caltrans.

Proj ect applicant(s) of
all project phases and
on- and off-site
elements.

Before approval of
grading or improvement
plans or any ground
disturbing activities,
including grubbing or
clearing, for any project
phase, including off-site
elements.

Mitigation Measure 34.3-3: Conduct Special-Status Plant Surveys; Implement Avoidance and Mitigation Measures or Compensatory Mitigation. To mitigate for the potential loss or degradation of special-status plant species and habitat, the project applicant(s) for any particular discretionary development application shall adhere to the requirements described below. > The project applicant(s) for any particular discretionary development application, including the proposed off-site elements, shall retain a qualified botanist to conduct protocol level preconstruction special-status plant surveys for all potentially occurring species.

Preconstruction special-status plant surveys shall not be required for those portions ofthe SPA that have already been surveyed according to DFG and USFWS guidelines. If no special-status plants are found during focused surveys, the botanist shall document the findings in a letter report to USFWS, DFG, the City of Folsom, Caltrans (for interchange improvements to U.S. 50), El Dorado Counfy (for roadway connections in El Dorado County), and Sacramento County (for the off-site detention basin) and no further mitigation shall be required.
> If special-status plant populations are found, the project applicant(s) of affected developments shall consult with DFG and USFWS, as appropriate depending on species status, to determine the appropriate mitigation measures for direct and indirect impacts on any specialstatus plant population that could occur as a result of project implementation. Mitigation measures may include preserving and enhancing existing populations, creation of off-site populations on project mitigation sites through seed collection or transplantation, and,/or restoring or creating suitable habitat in sufficient quantities to achieve no net loss ofoccupied habitat or individuals. > If potential impacts on special-status plant species are likely, a mitigation and monitoring plan shall be developed before the approval of grading plans or any ground-breaking activity within 250 feet of a special-status plant population. The mitigation plan shall be submitted to Caltrans (for interchange improvements to U.S. 50), El Dorado County (for impacts in roadway connections in El Dorado County), Sacramento County (for impacts in the off-site detention basin footprint), or the City of Folsom (for on-site impacts and all other off-site elements), for review and approval. It shall be submitted concurrently to DFG or USFWS, as appropriate depending on species status, for review and comment. The plan shall require maintaining viable plant populations on-site and shall identiS avoidance measures for any existing population(s) to be retained and compensatory meaeuree for any populations directly offcctcd. Possiblc avoidoncc mcasurcs include fencing populations before construction and exclusion ofproject activities from the fenced-offareas, and construction described in the Conservation Guidelines for the Valley Elderberry Longhorn Beetle (USFWS 1999). The 1999 conservation guidelines mitigation ratios are based on whether the affected shrub is located in riparian or non riparian habitat, the size of stems affected, and the presence of beetle exit holes. Compensatory mitigation for elderberry shrubs that would be removed from their current locations would be developed in consultation with USFWS during the Section 7 consultation process. Compensatory mitigation may include planting replacement elderberry seedlings or cuttings and associated native plants within the open space areas of the SPA, planting replacement elderberry seedlings or cuttings and associated native plants at a suitable off-site location, purchasing credits at an approved mitigation bank, or a combination thereof. Relocated and replacement shrubs and associated native plantings shall be placed in conservation areasproviding a minimum of 1,800 square feet per transplanted shrub. These conservation areas shall be preserved in perpetuity as habitat for valley elderberry longhorn beetle. The number of elderberry shrubs that would be affected by implementing the project is expected to be low because there are currently a total of less than 10 shrubs known to be present on the SPA. Ratios for mitigation of valley elderberry longhorn beetle habitat will ultimately be determined through the ESA Section 7 consultation process with USFWS, but shall be a minimum of "no net loss." USFWS uses stem count data, presence or absence of exit holes, and whether the affected elderberry shrubs are located in riparian habitat to determine the number of elderberry seedlings or cuttings and associated riparian vegetation that would need to be planted as compensatory mitigation for affected elderberry longhorn beetle habitat. The final VELB mitigation plan, including transplanting procedures, long-term protection, management of the mitigation areas, and monitoring procedures shall be consistent with the Conservation Guidelines for the Valley Elderberry Longhorn Beetle (USFWS 1999).

The population of valley elderberry longhorn beetles, the general condition of the conservation area, and the condition of the elderberry and associated native plantings in the conservation area must be monitored over a period of either ten consecutive years or for seven years over a l5-year period. A minimum survival rate of at least 60Yo of the elderberry plants and 60Yo of the associated native plants must be maintained throughout the monitoring period. Within one year of discovering that survival has dropped below 60%, the project applicant(s) shall replace failed plantings to bring survival above this level. Detailed information on monitoring success of relocated and planted shrubs and measures to compensate (should success criteria not be met) would be required in the BO.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries (i.e., U.S. 50 interchange improvements) must be developed by the project applicant(s) ofeach applicable project phase in consultation with the affected oversight agency(ies) (i.e., Caltrans) and must be sufficient to achieve the performance criteria described above.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1 Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigaiion Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 20

06/23/2026 Item No.18.

1. California Department of
Fish and Game,

2. City of Folsom Community
Development Department.

3. Caltrans for interchange
improvements to U.S. 50.

Project applicant(s) of
all project phases and
the off-site Prairie City
Road and Oak Avenue
interchange
improvements.

Before the approval of
grading or improvement
plans or any
construction activities
(including clearing and
grubbing) that affect the
bed and bank or riparian
and freshwater marsh
habitat associated with
Alder Creek and other
on-site or off-site
drainage channels and
ponds.

Mitigation Measure 3A.3-4a: Secure and Implement Section 1602 Streambed Alteration Agreement. The project applicant(s) for any particular discretionary development application shall obtain a Section 1602 streambed alteration agreement from DFG for all construction activities that would occur in the bed and bank of Alder Creek and other drainage channels and ponds on the SPA. As a condition of issuance of the streambed alteration agreement, the project applicant(s) for any particulai discretionary divelopment application affecting riparian habitat shall hire a qualified restoration ecologist to prepare a riparian habitat MMP. The draft MMP shall describe specific method(s) to be implemented to avoid and,/or compensate for impacts on the stream channel of Alder Creek and other drainage channels within DFG jurisdiction, and the bed and banks of the on-site ponds. Mitigation measures may include establishment or restoration of riparian habitat within the project's open space areas along preserved stream corridors, riparian habitat restoration off-site, or preservation and enhancement of existing riparian habitat either on or off the SPA. The compensation habitat shall be similar in composition and structure to the habitat to be removed and shall be at ratios adequate to offset the loss of riparian habitat functions and services at the SPA. The riparian habitat compensation section of the habitat MMP shall include the following:
> compensatory mitigation sites and criteria for selecting these mitigation sites; > complete assessment ofthe exiSting biological resources in both the on-site and off-site preservation and restoration areas; > site-specific management procedures to benefit establishment and maintenance of native riparian plant species, including black willow, arroyo willow, white alder, and Fremont cottonwood;
> a planting and inigation program if needed for establishment of native riparian trees and shrubs at strategic locations within each mitigation site (planting and irrigation may not be necessary if preservation of functioning riparian habitat is chosen as mitigation or if restoration can be accomplished without irrigation or planting); > in kind reference habitats for comparison with compensatory riparian habitats (using performance and success criteria) to document SUCCCSS;
> monitoring protocol, including schedule and annual report requirements (compensatory riparian habitats shall be monitored for a minimum period of five years);
> ecological performance standards, based on the best available science and including specifications for native riparian plant densities, species composition, amount of dead woody vegetation gaps and bare ground, and survivorship; at a minimum, compensatory mitigation planting sites must achieve 80% survival of planted riparian trees and shrubs by the end of the five-year maintenance and monitoring period or dead and dying trees shall be replaced and monitoring continued until 80% survivorship is achieved; > corrective measures if performance standards are not met; > responsible parties for monitoring and preparing reports; and > responsible parties for receiving and reviewing reports and for verifying success or prescribing implementation or corrective actions.

Any conditions of issuance of the Streambed Alteration Agreement shall be implemented as part of project construction activities that adversely affect the bed and bank and riparian habitat associated with Alder Creek and other drainage channels and ponds that are within the project area that is subject to DFGjurisdiction. The agreement shall be executed by the project applicant(s) and DFG before the approval of any grading or improvement plans or any construction activities in any project phase that could potentially affect the bed and bank of Alder Creek and other on-site or off-site drainage channels under DFG jurisdiction and their associated freshwater marsh and riparian habitat.

Mitigation for the U.S. 50 interchange improvements must be coordinated by the project applicant(s) of each applicable project phase with the Caltrans.
monitoring by a qualified botanist to keep construction crews away from the population. The mitigation plan shall also include monitoring and reporting requirements for populations to be preserved on site or protected or enhanced off site. > If relocation efforts are part of the mitigation plan, the plan shall include details on the methods to be used, including collection, storage, propagation, receptor site preparation, installation, long-term protection and management, monitoring and reporting requirements, and remedial action responsibilities should the initial effort fail to meet long-term monitoring requirements. > If off-site mitigation includes dedication of conservation easements, purchase of mitigation credits or other off-site conservation measures, the details of these measures shall be included in the mitigation plan, including information on responsible parties for longterm management, conservation easement holders, long-term management requirements, and other details, as appropriate to target the preservation on long term viable populations.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., Caltrans, El Dorado and/or Sacramento Counties).

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Folsom South of U.S. Highway 50 Speciflc Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 21

06/23/2026 Item No.18.

1. City of Folsom Community
Development Department.

2. Caltr ans for interchange
improvements to U.S. 50.

Project applicant(s) of
all project phases and
off-site elements
affecting blue oak
woodland and protected
trees.

Before approval of
grading or improvement
plans or any ground
disturbing activities,
including grubbing or
clearing, for any project
phase containing
protected trees or oak
woodland.

Mitigation Measure 3A.3-5: Conduct Tree Surveyo Prepare and Implement an Oak Woodland Mitigation Plan, Replace Native Oak Trees Removed, and Implement Measures to Avoid and Minimize Indirect Impacts on Oak Trees Retained On Site. The project applicant(s) shall prepare an oak woodland mitigation and monitorin! plan. The project applicant(s) of all on- and off-site project phases containing oak woodland habitat or individual trees shall adhere to the require-ments described below, which are consistent with those outlined in Califomia Public Resources Code 21083.4.

Pursuant to Sacramento County General Plan policy, the acreage of oak woodland habitat for determining impacts and mitigation requirements was calculated as the oak tree canopy area within stands of oak trees having greater than l0o/o cover plus a 30-foot-radius buffer measured from the outer edge of the tree canopy. Oak trees located in areas greater than 30 feet from stands meeting the greater than l0%o tree canopy cover criterion were considered isolated trees and not part of the blue oak woodland community. Mitigation for impacts on isolated oak trees is discussed separately below.
> Preserve approximately 399 acres of existing oak woodland habitat in the SPA (this acreage is based on the extent of oak woodland habitat as determined from aerial photograph interpretation; however, following completion of ground verification by a qualified arborist, the actual amount of oak woodland present within impact areas could be slightly greater or lesser than the amount calculated from aerial photograph and, therefore, the amount preserved could also be slightly greater or lesser than 399 acres). > Create 243 acres of oak woodland habitat in the SPA by planting a combination of blue oak acoms, seedlings, and trees in the following SPA locations:
. Non-wooded areas that are adjacent to or contiguous with the existing oak woodland habitat. . Preserve and passive open space zones throughout the SPA. . Open space areas that are adjacent to existing oak woodlands that will be impacted by project grading (i.e. catch slopes). . Other practical locations within the SPA in or adjacent to open space.

Oak Woodlands Mitigation Planting Criteria
The following oak woodland mitigation planting criteria shall be used to create oak woodland habitat:
. A minimum of 55 planting sites per acre (with a total of 70 units, as defined below) will mitigate for one acre of oak woodland impacts. A combination of acoms, seedlings, and various sizes of container trees (#l container, #5 container, #15 container) or transplanted trees shall be incorporated into the planting design. Mitigation acreage that is planted solely with larger oak trees (no acorns) shall have a minimum of 35 planting sites per acre. The units are defined as follows:
- One established acom equals one unit (acoms will be over planted to maximize potential germination). - One oak seedling equals one unit.
- One #l container oak tree equals two units.
- One #5 container oak tree equals three units.
- One #15 container oak tree equals four units.
- One 24-inch boxed oak tree equals six units.
- One transplanted oak tree equals four units per trunk diameter inch (dbh). l. California Department of
Fish and Game,

2.City of Folsom Community
Development Department.

Project applicant(s) for
any particular
discretionary
development application
affecting valley
needlegrassland.

Before approval of
grading or improvement
plans or any grounddisturbing activities,
including grubbing or
clearing, for any project
phase.

Mitigation Measure 3A.3-4b: Conduct Surveys to Identify and Map Valley Needlegrass Grasslandl Implement Avoidance and Minimization Measures or Compensatory Mitigation. The project applicant(s) of all project phases shall retain a qualified botanist to conduct preconstruction surveys to determine if valley needlegrass grassland is present on the SPA. This could be done concurrently with any special-status plant surveys conducted on site as special-status plant surveys are floristic in nature, i.e. require that all species encountered be identified, and require preparation of a plant community map. If valley needlegrass grassland is not found on the SPA, the botanist shall document the findings in a letter report to the City of Folsom, and no further mitigation shall be required. Valley needlegrass grassland was not found in any of the off-site project elements.

If valley needlegrass grassland is found on the SPA, the location and extent of the community shall be mapped and the acreage of this community type, if any, that would be removed by project implementation shall be calculated. The project applicant(s) for any particular discretionary development application affecting valley needlegrass grassland shall consult with DFG and the City of Folsom to determine appropriate mitigation for removal of valley needlegrass grassland resulting from project implementation. Mitigation measures shall include one or more of the following components sufficient to achieve no net loss of valley needlegrass grassland acreage: establishment of valley needlegrass grassland within project's open space areas currently characterized by annual grassland, establishment ofvalley needlegrass grassland off-site, or preservation and enhancement of existing valley needlegrass grassland either on or off the SPA. The applicant(s) shall compensate for any loss of valley needlegrass grassland resulting from project implementation at a minimum 1 : I replacement ratio.

Dated Signature for
Verification of Gompliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 22

06/23/2026 Item No.18.
- Native non oak species-characteristic of oak woodlands shall be included in the mitigation planting plan to augment overall habitat values. Each non oak tree species shall represent unit values described above for oak trees, but non oak species shall comprise no more than l0%o of the mitigation plantings. > Preserve and protect existing off-site oak woodland habitat. Existing, unprotected oak woodland habitat within Sacramento and El Dorado Counties may be secured and placed under conservation easement in lieu of onsite mitigation measures if necessary. The off-site locations would be managed as oak woodland habitat in perpetuity. > Create oak woodlands off site. Plant a combination of blue oak acorns, seedlings, and trees at off-site location(s), if needed to achieve the creation goal of 243 acres of new blue oak woodland habitat. This measure would only be needed if 243 acres of blue oak woodland could not be created in the SPA. Off-site creation shall follow the same guidelines as outlined in the Mitigation Planting Criteria for onsite creation. Off-site tree planting shall occur at sites within Sacramento County that should naturally support blue oak woodland and shall be used to restore former blue oak woodland habitat that has been degraded or removed through human activities. Restoration shall be designed to result in species composition and densities similar to those in the SPA prior to project development. Planted areas shall be placed under conservation easement and managed as oak woodland habitat in perpetuity. > The oak woodland mitigation plan prepared by the project applicant(s) shall include a maintenance and monitoring program for any replacement trees. The progmm shall include monitoring and reporting requirements, schedule, and success criteria. Replacement oak trees shall be maintained and monitored for a minimum of eight years from the date of planting and irrigation shall be provided to planted trees for the first five years after planting. Any replacement trees that die during the monitoring period shall be replaced in sufficient numbers to achieve 80% survival rate for planted trees by the end of the eight-year maintenance and monitoring period. Dead and dying trees shall be replaced and monitoring continued until 80% survivorship is achieved. Security acceptable to the City and sufficient to cover maintenance and monitoring costs for eight years shall be provided to the City Planning Department. The security will be forfeited if the project applicant or designated responsible party fails to provide maintenance and monitoring and meet the success criteria.

Isolated Oak Tree Mitigation
The project applicant(s) ofall on-site project phases containing oak woodland habitat or isolated trees and the off-site Prairie City Road and Oak Avenue interchange improvements to U.S. 50; Rowberry Drive Overcrossing; and the underground sewer force main shall develop a map depicting the tree canopy of all oak trees in the survey area ar'd identi$ring the acreage of tree canopy that would be preserved and the acreage that would be removed. A tree permit for removal of isolated oak trees (those not located within the delineated boundary of oak woodland habitat) shall be obtained from the City Planning Director. As a condition of the tree removal permit, project applicant(s) shall be required to develop a Planting and Maintenance Agreement. The City's Tree Preservation Code requires compensatory mitigation and the City and the project applicants have developed a plan, as set forth Section 10 of the Folsom Plan Area Specific Plan (attached to this EIWEIS as Appendix N) specifically to avoid and minimize adverse effbcts on isolated oak trees from project development and to provide compensatory mitigation for removal of protected trees in the SPA. In addition to the language contained in the Folsom Plan Area Specific Plan, the following elements shall be included in a protected tree mitigation plan to be developed by the project applicants and agreed upon by the City:
> Project applicant(s) ofprojects containing isolated oak trees shall retain a certified arborist or registered professional forester to perform a determinate survey oftree species, size (dbh), condition, and location for all areas ofthe project site proposed for tree removal and encroachment of development. The condition of individual hees shall be assessed according to the American Society of Consulting Arborists rating system with the following added explanations:
. 5 = Excellent; No problems -
tree has no structural problems, branches are properly spaced and tree characteristics are nearly perfect for the species.
. 4: Good; No apparent problems -
tree is in good condition and no apparent problems from visual inspection. If potential shuctural or health problems are tended at this stage, future hazard can be reduced and more serious health problems can be averted. ' 3 : Fair; Minor problems - There are some minor strucfural or health problems that pose no immediate danger. When the recommended actions in an arborist report are completed conectly the defect(s) can be minimized or eliminated. . 2 = Poor; Major problems -
the tree is in poor condition, but the condition could be improved with correct arboricultural work including, but not limited to: pruning, cabling, bracing, bolting, guying, spraying, mistletoe removal, vertical mulching, and fertilization. If the recommended actions are completed correctly, hazard can be reduced and the rating can be elevated to a 3. If no action is taken the tree is considered a liability and should be removed.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 23

06/23/2026 Item No.18.
. 1 : Hazardous or nod conectable condition -
the tree is in extremely poor condition and in non-reversible decline. This rating is assigned to a tee that has structural and/or health problems that no amount of tree care work or effort can change. The issues may or may not be considered a dangerous situation. The fiee may also be infested with a disease or pest(s) that is non-controllable at this time and is causing an unacceptable risk of spreading the disease or pests(s) to other trees. . 0 = Dead -
the tree has no significant signs of life (dead or very close to being dead).

Isolated Oak Tree Mitigation Planting Criteria
> The determination for whether an isolated tree shall be preserved, removed without compensation, or removed with compensatory mitigation shall be based on the condition and size of the tree as follows:
. Trees rated 0 or 1 may be removed with no mitigation. . Trees rated2mayberemoved atl0Yoof thenormalFolsomMunicipalCodemitigation. . Trees rated 3, 4, and/or 5 may be removed at the normal Folsom Municipal Code mitigation. . Native isolated oaks measuring 24 inches or greater dbh for a single trunk or 40 inches or more for a multitrunked tree and rated a 3 to5 shall be retained, unless retaining wall(s) higher than 4 feet tall (from bottom of footing to the top of the wall) would be required to protect the tree(s) from mass grading of the SPA properties. . Native oaks measuring between I 2 and24 inches dbh and rated a 4 or 5 shall not be removed or mitigated unless wall(s) higher than 4 feet tall (from bottom of footing to the top of the wall) would be required to protect the tree(s) from mass grading of the SPA properties. Trees in this size class but rated2 or 3 shall not be removed unless unreasonable costs to save the tree(s) (greater than the cost of implementing the isolated oak tree mitigation planting criteria described here) would result. . Native oaks measuring 5 inches or greater dbh but less than 12 inches dbh shall not be removed unless unreasonable costs to save the tree(s) (greater than the cost of implementing the isolated oak tree mitigation planting criteria described here) would result. . Native oak trees measuring 1 inch or greater dbh but less than 5 inches dbh may be preserved to receive a Small Tree Preservation Credit (STPC). Any tree that is to be considered for preservation credit shall be evaluated, included in the arborist report, and shall have been found to be rated a3,4, or a 5. Credits shall only be accepted if the tree protection zone (TPZ) (i.e., the outer edge of the tree canopy drip line) is protected with fencing in the exact manner that 5 inches dbh and greater trees are protected on a construction site, and the spacing is equal to the proper tree spacing dictated by the Folsom Master Tree List. STPC shall not count if they the tree is in a poor growing space due to its position within the TPZ of another protected tree to be preserved. The City shall accept the preservation of native oak trees in this size class as credit towards the total removed inches based on the following STPC criteria:

Four #15 container trees 4 inches or sreater. but less than 5 inches Three #l 5 container trees 3 inches or sreater. but less than 4 inches Two #15 container trees 2 inches or sreater. but less than 3 inches One #15 container tree or two #5 container trees 1 inch or sreater" but less than 2 inches Mitieation Tree Credit Equivalent Caliner of Tree Preserved Folsom Municipal Code requires one of the following be planted as compensation for each diameter inch of protected tree removed:
. half of a Z{-inchbox tee;
. one #15 container tree;
. two #5 container trees; or
. $150 in-lieu payment or other fee set by City Council Resolution.

The Planting and Maintenance Agreement shall include a planting plan, planting and inigation design details, and a weaning schedule for the establishment period. The plan shall include a 5-year establishment period for trees and 8 years for planted acorns with an annual monitoring report that includes corrections needed with proposed work plan, and notice of compliance within 90-days of annual monitoring report. Security in an form acceptable to the Cify and sufficient to cover maintenance and monitoring costs for eight years shall be provided to the City Planning Department. The security will be forfeited if the project applicant or designated responsible party fails to fulfill the Planting and Maittcnancc Agrccmcnt.

To avoid and minimize indirect impacts on protected fees to remain on the SPA, the project applicant(s) of all affected project phases shall install high visibility fencing outside the outer edge of the drip lines of all trees to be retained on the SPA during project construction. The fencing may be installed around groups or stands of trees or whole wooded areas bust must be installed so that the drip Timing Enforcement lmplementation
Dated Signature for
Verification of Compliance
Table I
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 24

06/23/2026 Item No.18.

U.S. Army Corps of
Engineers, Regional Water
Quality Control Board,
California Department of Fish
and Game.

City of Folsom Utilities
Department
Before the approval of
grading or improvement
plans or any grounddisturbing activities for
all the Off-site Water
Facilities containing
wetland features or other
waters of the U.S. The
MMP must be approved
before any impact on
wetlands can occur.

Mitigation shall be
implemented on an
ongoing basis
throughout and after
construction, as
required.

Mitigation Measure 3B.3-1a: Secure Clean Water Act Section 404 Permit and Implement All Permit Conditions; Ensure No Net Loss of Functions of Wetlands, Other Waters of the U.S., and Waters of the State. Before the approval of grading and improvement plans and before any groundbreaking activity associated with the Off-site Water Facilities requiring hll of wetlands or other waters of the U.S. or waters of the state, the City shall obtain all necessary permits under Sections 401 and 404 of the CWA or the state's Porter-Cologne Water Quality Control Act for the respective phase. For each respective Off-site Water Facility component, all permits, regulatory approvals, and permit conditions for effects on wetland habitats shall be secured before implementation of any grading activities within 250 feetof waters of the U.S. or wetland habitats, including waters of the state, that potentially support Federally listed species. The City shall commit to replace, restore, or enhance on a "no net loss" basis (in accordance with USACE and the Central Valley RWQCB) the acreage of all wetlands and other waters of the U.S. that would be removed, lost, and/or degraded with implementation of project plans for that phase. Wetland habitat shall be restored, enhanced, and./or replaced at an acreage and location and by methods agreeable to USACE, the Central Valley RWQCB, and the City, as appropriate, depending on agency jurisdiction, and as determined during the Section 401 and Section 404 permitting processes.

As part of the Section 404 permitting process, a draft wetland mitigation and monitoring plan (MMP) shall be developed for the selected Offsite Water Facility Alternative on behalf of the City. Before any ground-disturbing activities that would adversely affect wetlands and before engaging in mitigation activities associated with each phase of development, the City shall submit the draft wetland MMP to USACE and the Central Valley RWQCB for review and approval of those portions of the plan over which they have jurisdiction. The MMP would have to be approved prior to issuance of a Section 404 permit. Once the final MMP is approved and implernented, mitigation monitoring shall continue for a minimum of 5 years from completion of mitigation, or human intervention (including recontouring and grading), or until the performance standards identified in the approved MMP have been met, whichever is longer.

As part of the MMP, the City shall prepare and submit plans for the creation of aquatic habitat in order to adequately offset and replace the aquatic functions and services that would be lost, account for the temporal loss of habitat, and contain an adequate margin of safety to reflect anticipated success. Restoration of previously altered and degraded wetlands shall be a priority of the MMP for offsetting losses oi aquatic functions on the project site because it is typically easier to achieve functional success in restored wetlands than in those created from uplands. The MMP must demonstrate how the aquatic functions and values that would be lost through project implementation will be replaced.

The habitat MMP for
jurisdictional wetland features shall be consistent with USACE's and EPA's April 10, 2008 Final Rule for Compensatory Mitigation for Losses of Aquatic Resources (33 CFR Parts 325 and332 and 40 CFR Part 230). According to the Final Rule, mitigation banl<s should be given preference over other types of mitigation because a lot of the risk and uncertainty regarding mitigation success is alleviated by the fact that mitigation bank wetlands must be established and demonstrating functionality before credits can be sold.

This also alleviates temporal losses of wetland function while compensatory wetlands are being established. Mitigation banks also tend to be on larger, more ecologically valuable parcels and are subjected to more rigorous scientific study and planning and implementation procedures than typical permittee-responsible mitigation sites (USACE and EPA 2008). It is not likely feasible to provide compensatory mitigation for all aquatic resource impacts on site. Therefore, a combination of on-site and off-site permittee-responsible mitigation and mitigation banking would likely be necessary to achieve the no-net-loss standard.

Compensatory mitigation for losses of stream and intermiftent drainage channels shall be achieved through in-kind preservation, restoration, or enhancement, as specified in the Final Rule guidelines. The wetland MMP shall address how to mitigate impacts on all types and shall describe specific method(s) to be implemented to avoid and/or mitigate any Off-site Water Facility-related aquatic resource
impacts. The

38.3 BIOLOGICAL RESOURCES. WATER
lines of all trees are protected. Grading, trenching, equipment or materials storage, parking, paving, irrigation, and landscaping shall be prohibited within the fenced areas (i.e. drip lines of protected trees). If the activities listed cannot be avoided within the drip line of a particular tree, that tree shall be counted as an affected tree and compensatory mitigation shall be provided, or the tree in question shall be monitored for a period of five years and replaced only if the tree appears to be dead or dying within five years of projeCt implementation.

Through a combination of the mitigation options presented above along with the proposed on-site preservation of blue oak woodland habitat in the open space areas, the project applicant(s) can satis$r the mitigation requirements for removal of trees protected under the Folsom Municipal Code while also mitigating the impacts on oak woodland habitat, as determined through consultation with the Sacramento County Planning Department (for County off-site impacts only) and/or the City of Folsom.

Mitigation for the U.S. 50 interchange improvements must be coordinated by the project applicant(s) of each applicable project phase with Caltrans.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Mitigation Monitoring and Repofting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Table 1
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 25

06/23/2026 Item No.18.

Mitigafion Measure 38.3-1c: Restore All Waters Impacted by Trenching and Temporary Construction Staging Areas to Pre-Project Contours and Conditions. For all water line crossings of waters of the U.S. or State in which the use of trenchless technologies are not feasible, the City shall ensure that all waters impacted by trenching activities are restored to pre-project contours and conditions. In addition, within 30 days following project construction, the City shall ensure that all temporary cousttuction staging areas within waters of the U.S. or State are restored to pre-project contours and conditions.

At minimum, the City shall ensure that the following measures are implemented during construction:
> Conduct trenching and construction activities across drainages during low-flow (e.g., <1 to 2 cfs) or dry periods as feasible; > If working in active chamels, install cofferdam upstream and downstream of stream crossing to separate construction area from flowing waterway;
> Place sediment curtains upstream and downstream of the construction zone to prevent sediment disturbed during trenching activities from being transported and deposited outside of the construction zone; > Locate spoil sites such that they do not drain directly into the drainages or seasonal wetlands; > Store equipment and materials away from the drainages and wetland areas. No debris will be deposited within 250 feet of the drainages and wetland areas;
> Prepare and implement a revegetation plan to restore vegetation in all temporarily disturbed wetlands and other waters using native species seed mixes and container plant material that are appropriate for existing hydrological conditions.

Before the approval of grading and improvement plans and before any groundbreaking activity associated with the Off-site Water Facilities requiring fili of wetland, or oth"t waters of the U.S. or waters of the state, the City shall submit a wetland rnitigation and monitoring plan lMfr4f;
ior the restoration of these waters within the selected water alignment to the USACE and Central Valley RWQCB for review and approval of those portions of the plan over which they have jurisdiction. The MMP would have to be approved prior to issuance of a Section 4b4 permit. Once the final MMpls approved and implemented, mitigation monitoring shall continue for a minimum of 5 years from completion of restoration activities, oihu*un intervention (including recontouring and grading), or until the performance standards identified in the approved MMP have been met, whichever is longer.

At minimum, the MMP shall provide the following information:
> A description and drawings showing the existing contours (elevation) and existing vegetation of the waters of the U.S. and State that would be impacted through trenching activities. This information shall include site photographs taken at each impacted water.

Before the approval of
grading or improvement
plans or any grounddisturbing activities for
all the Off-site Water
Facilities containing
wetland features or other
waters of the U.S.

City of Folsom Utilities
Department

1. U.S. Army Corps of
Engineers, U.S. Fish and
Wildlife Service, Regional
Water Quality Control
Board, California
Department of Fish and
Game.

2. For all project-related
improvements that woul<i be
located within the City of
Folsom: City of Folsom
Comrnunity Development
Department.

3. For improvements within
Sacramento County or City
ofRancho Cordova:

Sacramento County
Planning and Community
Development Department or
City of Rancho Cordova
Planning Department.

Mitigation Measure 38.3-1b: Maximum Use of Trenchless Technology for Conveyance Pipeline Design. Following the selection of a Off-site Water Facility Alternative, the City shall design and route the water conveyance pipeline to avoid waters of the U.S and State, including wetlands and vernal pools, to the maximize extent practical. Where avoidance is not practical, the City shall maximize the use of trenchless technologies (micro-tunneling or
jack-and-bore), where feasible.

All trenchless construction crossings will include the preparation of a Frac-Out (or inadvertent return of drilling lubricants) Contingency Plan for tunneling activities that use driiing lubricants (e.g., construction of pipelines using jack-and-bore methods). The purpose of the plan will
be to minimize the potential for a frac-out associated with tunneling activities, provide for the timely detection of frac-outs, and ensure an organized, timely, and "minimum-impact" response in the event of a frac-out and release of drilling lubricant (i.e., bentonite). Preparation and implementation of a Frac-Out Contingency Plan will be reflected in contract documents.

City of Folsom Utilities
Department
Prior to and during
construction of all OffSite Water Facilities
U.S. Army Corps of
Engineers, U.S. Fish and
Wildlife Service, Regional
Water Quality Control Board,
California Department of Fish
and Game.
wetland compensation section of the habitat MMP shall include all the contents identified in Mitigation Measure 3A.3-l AUSACE has determined that the Off-site Water Facilities may require an individual permit. In its final stage and once approved by USACE' the MMP for the Off-site Water Facilities is expected to detail proposed wetland restoration, enhancement, and/or replacement activities that would ensure no net loss of aquatic functions in the project vicinity. Approval and implementation of the wetland MMP shall aim to fully mitigate all unavoidable impacts on
jurisdictional waters of the U.S., including
jurisdictional wetlands. To satisfu the requirements of the City andihe Central Valley RWQCB, mitigation of impacts on the non-jurisdictional wetlands beyond the jurisdiction of USACE shall be
included in the same MMP. All mitigation requirements determined through this process shall be implemented before grading plans are approved. The MMP shall be submitted to USACE and approved prior to the issuance of any permits under Section 404 of the CWA.

Water quality certification pursuant to Section 401 of the CWA will be required before issuance of the Section 404 permit. Before construction in any areas containing wetland features, the City shall obtain water quality certification for the Off-site Water Facilities. Any measures required as part of the issuance of water quality certification shall be implemented.

Timing Mitigation Measure
lmplementation Enforcement
Dated Signature for
Verification of Compliance
Table 1
Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Mitigation Monitoring and Reporting AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 26

06/23/2026 Item No.18.

I

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For all on- and off-site
proj ect-related activities
within the City of Folsom
and Sacramento County.

3. For the two roadway
extensions into El Dorado
Hills: El Dorado County
Development Services
Department.

Project applicant(s)
during all discretionary
development project
phases and on-site and
off-site elements.

Before approval of
small-lot final maps and
building permits for all
discretionary
development project,
including all on- and
off-site elements and
implementation
throughout project
construction.

Mitigation Measure 3A.4-1: Implement Additional Measures to Control Construction-Generated GHG Emissions.

To further reduce construction-generated GHG emissions, the project applicant(s) any particular discretionary development application shall implement all feasible measures for reducing GHG emissions associated with construction that are recommended by SMAQMD at the time individual portions of the site undergo construction. Such measures may reduce GHG exhaust emissions from the use of on-site equipment, worker commute trips, and truck trips carrying materials and equipment to and from the SPA, as well as GHG emissions embodied in the materials selected for construction (e.g., concrete). Other measures may pertain to the materials used in construction. Prior to releasing each request for bid to contractors for the construction of each discretionary development entitlement, the project applicant(s) shall obtain the most current list of GHG reduction measures that are recommended by SMAQMD and stipulate that these measures be implemented in the respective request for bid as well as the subsequent construction contract with the selected primary contractor. The project applicant(s) for any particular discretionary development application may submit to the City and SMAQMD a report that substantiates why specific measures are considered infeasible for construction of that particular development phase and/or at that point in time. The report, including the substantiation for not implementing particular GHG reduction measlues, shall be approved by the City, in consultation with SMAQMD prior to the release of a request for bid by the project applicant(s) for seeking a primary contractor to manage the construction of each development project. By requiring that the list of feasible measures be established prior to the selection of a primary contractor, this measure requires that the ability of a contractor to effectively implement the selected GHG reduction measures be inherent to the selection process.

SMAQMD's recommended measures for reducing construction-related GHG emissions at the time of writing this EIRIEIS are listed below and the project applicant(s) shall, at a minimum, be required to implement the following:
> Improve fuel efficiency from construction equipment:
. reduce unnecessary idling (modiS work practices, install auxiliary power for driver comfort); . perfoffn equipment maintenance (inspections, detect failures early, corrections); . train equipment operators in proper use of equipment; . use the proper size of equipment for the
job; and
City of Folsom Utilities
Department

1. U.S. Fish and Wildlife
Service, California
Department of Fish and
Game.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For improvements within
Sacramento County or City
ofRancho Cordova:

Sacramento County
Planning and Community
Devdlopment Department or
City of Rancho Cordova
Planning Department.

Prior to and during
construction of all Offsite Water Facilities
Mitigation Measure 38.3-2: Conduct Preconstruction Survey for Western Spadefoot Toad and Northwestern Pond Turtle and if Found, Implement Avoidance and Compensation Measures. Prior to construction, a qualified biologist retained by the City shall conduct protocol-level surveys for the westem spadefoot toad and northwestern pond turtle to determine if these species are currently using water features crossed by the selected alignment. If either of these species is detected, then the City shall consult with the DFG (and USFWS if appropriate) to develop additional minimization measures prior to project construction (if necessary). These additional measures may include timing restrictions for groundwater dewatering activities, construction monitoring, and long-term monitoring.

If temporary fencing is used, it shall take the form of silt fencing and temporary plastic construction fencing placed no closer than 25 feet from the edge of the protected habitat. Protective fencing around vemal pools identified as potential habitat for special-status species shall be constructed in a way that allows western spadefoot toad to access these wetlands.

Impacted western spadefoot toad habitat shall be mitigated and compensated in accordance with USFWS and DFG requirements. > Methods used to ensure that trenching within waters of the U.S. and State do not adversely alter existing hydrology, including the draining of the waters (e.g., use of cut-off walls).
> The methods used to restore the site to the original contour and condition, as well as a plan for the revegetation of the site following installation of the water line.
> Proposed schedule for restoration activities
Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project 3A.4 CLIMATE CHANGE - LAND
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 27

06/23/2026 Item No.18.

City of Folsom Community
Development Department.

The project applicant(s)
for any particular
discretionary
development.

Before approval offinal
maps and building
permits for all project
phases, including all onand off-site elements.

Mitigation Measure 3A.4-2a: Implement Additional Measures to Reduce Operational GHG Emissions. Each increment of new development within the project site requiring a discretionary approval (e.g., proposed tentative subdivision map, conditional use permit), shall be subject to a project-specific environmental review (which could support an applicable exemption, negative or mitigated negative declaration or project-specific EIR) and will require that GHG emissions from operation of each phase of development, including supporting roadway and infrastructure improvements that are part of the selected action alternative, will be reduced by an amount sufficient to achieve the 2020-based threshold of significance of 4.36 CO2e/SP/year for development that would become operational on or before the year 2020, and the 2030-based threshold of significance of 2.86 CO2elSP/year for development that would become operational on or before the year 2030.

The above-stated thresholds of significance may be subject to change if SMAQMD approves its own GHG significance thresholds, in which case, SMAQMD-adopted thresholds will be used. The amount of GHG reduction required to achieve the applicable significance thresholds will furthermore depend on existing and future regulatory measures including those developed under AB 32).

For each increment of new discretionary development, the City shall submit to the project applicant(s) a list of potentially feasible GHG reduction measures to be considered in the development design. The City's list of potentially feasible GHG reduction measures shall reflect the current state of the regulatory environment, available incentives, and thresholds of significance that may be developed by SMAQMD, which will evolve under the mandate of AB 32 and Executive Order 5-3-05. If the project applicant(s) asserts it cannot meet the 2020-based goal, then the report shall also demonstrate why measures not selected are considered infeasible. The City shall review and ensure inclusion ofthe design features in the proposed project before applicant(s) can receive the City's discretionary approval for the any increment of development. In determining what measures should appropriately be imposed by the City under the circumstances, the City shall consider the following factors:
> the extent to which rates of GHG emissions generated by motor vehicles traveling to, from, and within the SPA are projected to decrease over time as a result of regulations, policies, and./or plans that have already been adopted or may be adopted in the future by ARB or other public agency pursuant to AB 32, or by EPA;
> the extent to which mobile-source GHG emissions, which at the time of writing this EIR/EIS comprise a substantial portion of the state's GHG inventory, can also be reduced through design measures that result in trip reductions and reductions in trip length; > the extent to which GHG emissions emitted by the mix of power generation operated by SMUD, the electrical utility that will serve the SPA, are projected to decrease pursuant to the Renewables Portfolio Standard required by SB 1078 and SB 107, as well as any future regulations, policies, and,/or plans adopted by the federal and state governments that reduce GHG emissions from power generation; . use equipment with new technologies (repowered engines, electric drive trains). > Use alternative fuels for electricity generators and welders at construction sites such as propane or solar, or use electrical power. > IJse an ARB-approved low-carbon fuel, such as biodiesel or renewable diesel for construction equipment. (Emissions of oxides of nitrogen [NO1] emissions from the use of low carbon fuel must be reviewed and increases mitigated.) Additional information about lowcarbon fuels is available from ARB's Low Carbon Fuel Standard Program (ARB 2009b).

Encourage and provide carpools, shuttle vans, transit passes and/or secure bicycle parking for construction worker commutes. > Reduce electricity use in the construction offrce by using compact fluorescent bulbs, powering off computers every day, and replacing heating and cooling units with more efficient ones.
> Recycle or salvage non-hazardous construction and demolition debris (goal of at leastT5o/o by weight). > Use locally sourced or recycled materials for construction materials (goal of at least2}Yo based on costs for building materials, and based on volume for roadway, parking lot, sidewalk and curb materials). > Minimize the amount of concrete used for paved surfaces or use a low carbon concrete option. > Produce concrete on-site if determined to be less emissive than transporting ready mix. > Use EPA-certified SmartWay trucks for deliveries and equipment transport. Additional information about the SmartWay Transport Parhrership Program is available from ARB's Heavy-Duty Vehicle Greenhouse Gas Measure (ARB 2009c) and EPA (EPA 2009). > Develop a plan in consultation with SMAQMD to efficiently use water for adequate dust control. This may consist of the use of nonpotable water from a local source.

In addition to SMAQMD-recommended measures, construction activity shall comply with all applicable rules and regulations established by SMAQMD andARB.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 28

06/23/2026 Item No.18.
rthe extent to which any stationary sources of GHG emissions that would be operated on a proposed land use (e'g., industrial) are already subject to regulations, policiei, utrd/or plans that reduce GHG emissions, particularly any futr1e regulations that will be developed as part of ARB,s imllementation of AB 32, oi other pertinent regulations on stationary sources that have the indirect effect of reducing GHG emrsslons;
> the extent to which other mitigation measures imposed on the project to reduce other air pollutant emissions may also reduce GHG emissions;
> the extent to which the feasibility of existing GHG reduction technologies may change in the future, and to which innovation in GHG reduction technologies will continue, effecting cost-benefit analyses that determine economic feasibility; and > whether the total costs of proposed mitigation for GHG emissions, together with other mitigation measures reqrrired for the proposed development, are so great th; u r"uronubly prudent property owner would not proceed with the project in the face of such costs.

In considering how much, and what kind ol mitigation is necessary in light of these factors, the City shall considerthe following list of options, though the list is not intended to be exhaustive, as GHG emission reductio-n-strategies_and their respective feasibility are likely to evolve over time. These measures are derived from multiple sources including the Mitigation Measure Summary in Appendix B of the '
California Air pollution Control Officer's Association (CAPCOA) white paper, CEQA & Climate Change (CAPCOA 2009a); CAPCOA's Model policies for Greenhouse Gases in General Plans (CAPCOA 2009b); and the California Attorney General's Office publication, The California Environmental euality Act: Addressing Global Warming Impacts at the Local Agency Level (California Attomey General's Office 2008).

Energy Efliciency
> Include clean alternative energy features to promote energy self-sufficiency (e.g., photovoltaic cells, solar thermal electricity systems, small wind turbines).
> Design buildings to meet CEC Tier II requirements (e.g., exceeding the requirements of the Title 24 [as of 2007] by 35%).
> Site buildings to take advantage ofshade and prevailing winds and design landscaping and sun screens to reduce energy use. > Install efficient lighting in all buildings (including residential). Also install lighting control systems, where practical. Use daylight as an integral part of lighting systems in all buildings'
> Install light-colored "cool" pavements, and shategically located shade trees along all bicycle and pedestrian routes.

Water Conservation and Efficiency
> With the exception of ornamental shade trees, use water-efficient landscapes with native, drought-resistant species in all public area and commercial landscaping. Use water-efficient turf in parks and other turf-dependant spaces. > Install the infrastructure to use reclaimed water for landscape irrigation and/or washing cars. > Install water-efficient irrigation systems and devices, such as soil moisture-based irrigation controls. > Design buildings and lots to be water-efficient. Only install water-efficient fixtures and appliances. > Restrict watering methods (e.g., prohibit systems that apply water to nonvegetated surfaces) and control runoff. Prohibit businesses from using pressure washers for cteaning driveways, parking lois, sidewalks, and street surfaces. These restrictions should be included in the Covenants, Conditions, and Restrictions of the community. > Provide education about water conservation and available programs and incentives. > To reduce stormwater runoff, which typically bogs down wastewater treatment systems and increases their energy consumption, construct driveways to single-famity iitacneA reiiden"es and parking lots and driveways of multifamily residential uses with pervious surfaces. possible designslnclude Hollywood drives (two concrete strips with vegetation or aggregate in between) and"/or the use of porous concrete, porous asphalt, furfblocks, or pervious pavers.

Solid Waste Measures
> Reuse and recycle construction and demolition waste (including, but not limited to, soil, vegetation, concrete, lumber, metal, and cardboard).
>
' Provide interior and exterior storage areas for recyclables and green waste at all buildings. > provide adequate recycling containers in public areas, including parks, school grounds, golfcourses, and pedestrian zones in areas of mixed-use develoPment'
Mitigation Measure Timing lmplementation
Dated Signature for
Verification of Compliance
Enforcement
Table 1
Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Mitigation Monitoring and Reporting Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 29

06/23/2026 Item No.18.

1. For improvements that
would be located within the
City of Folsom: City of
Folsom Neighborhood
Services Deparhnent, City
of Folsom Community
Development Department
and SMAQMD.

2. For improvements that
would be located within
unincorporated Sacramento
County: Sacramento County
Planning and Community
Development Deparlment
and SMAQMD.

3. For improvements that
would be located within the
City of Rancho Cordova:

City of Rancho Cordova
City of Folsom Utilities
Department
Prior to the approval of
grading plans and
building permits for all
off-site water facilities.

Mitigation Measure 3B.4-1a: Implement GHG Reduction Measures during Construction. The bid specifications for construction of the Off-site Water Facilities shall require that bidders demonstrate how they will comply with each of the following measures during all construction and demolition activities:
l) Construction vehicles and equipment will be properly maintained at all times in accordance with manufacturer's specifications, including proper tuning and timing of engines. Equipment maintenance records and equipment design specification data sheets shall be kept on-sfi during construction and demolition activities and subject to inspection by the SMAQMD. 2) Operators will turn off all construction vehicles and equipment and all delivery vehicles when not in use, and not allow idling for more than 5 minutes or for such other more restrictive time as may be required in law or regulation. 3) On-site construction vehicles and equipment will use ARB-certified biodiesel fuel if available (a minimum of B20, or 20 percent of biodiesel) except for those with warranties that would be voided if B20 biodiesel fuel were used. Prior to issuance of grading or demolition permits, the contractor shall provide documentation to the City that verifies whether any equipment is exempt; that a biodiesel supply has been secured; and that the construction contractor is aware that the use of biodiesel is required. 4) A City-approved Solid Waste Diversion and Recycling Plan (or such other documentation to the satisfaction of the City) will be in place for the Off-site Water Facilities that demonstrates the diversion from landfills and recycling of all nonhazardous, salvageable and reuseable wood, metal, plastic and paper products during construction and demolition activities. The Plan or other documentation shall include the name of the waste hauler, their assumed destination for all waste and recycled materials, and the procedures that will be followed to ensure implomontation of this mcrmurc.

The City of Folsom
Community Development
Department.

The project applicant(s)
for any particular
discretionary
development
application.

Before approval offinal
maps and/or building
permits for all project
phases requiring
discretionary approval,
including all on- and
off-site elements.

Mitigation Measure 34.4-2b: Participate in and Implement an Urban and Community Forestry Program and/or Off-Site Tree Program to Off-Set Loss of On-Site Trees. The trees on the project site contain sequestered carbon and would continue to provide future carbon sequestration during their growing life. For all harvestable trees that are subject to removal, the project applicant(s) for any particular discretionary development application shall participate in and provide necessary funding for urban and community forestry program (such as the UrbanWood program managed by the Urban Forest Ecosystems Institute [Urban Forest Ecosystems Institute 2009]) to ensure that wood with an equivalent carbon sequestration value to that of all harvestable removed trees is harvested for an end-use that would retain its carbon sequestration (e.g., furniture building, cabinet making). For all nonharvestable trees that are subject to removal, the project applicant(s) shall develop and fund an off-site tree program that includes a level of tee planting that, at a minimum, increases carbon sequestration by an amount equivalent to what would have been sequestered by the blue oak woodland during its lifetime. This program shall be funded by the project applicant(s) of each development phase and reviewed for comment by an independent Certified Arborist unaffiliated with the project applicant(s) and shall be coordinated with the requirements of Mitigation Measure 3.3-5, as stated in Section 3A.3, "Biological Resourcei - Land." Final approval of the program shall be provided by the City. Components of the program may include, but not be limited to, providing urban tree canopy in the City of Folsom, or reforestation in suitable areas outside the City. Reforestation in natural habitat areas outside the -
City of Folsom would simultaneously mitigate the loss of oak woodland habitat while planting trees within the urban forest canopy would not. The California Urban Forestry Greenhouse Gas Reporting Protocol shall be used to assess this mitigation program (CCAR 2008). All unused vegetation and tree material shall be mulched for use in landscaping on the project site, shipped to the nearest composting facility, or shipped to a landfill that is equipped with a methane collection system, or combusted in a biomass power plant. Tree and vegetative material should not be burned on- or off-site unless used as fuel in a biomass power plant. > Provide education and publicity about reducing waste and available recycling services.

Transportation and Motor Vehicles
> Promote ride-sharing programs and employment centers (e.g., by designating a certain percentage ofparking spaces for ride-sharing vehicles, designating adequate passenger loading and unloading zones and waiting areas for ride-share vehicles, and providing a Wib site or meqsage board for coordinating ride-sharing).
> Provide the necessary facilities and infrastructure in all land use types to encourage the use of low- or zero-emission vehicles (e.g., electric vehicle charging facilities and conveniently located altemative fueling stations). > At industrial and commercial land uses, all forklifts, "yard trucks," or vehicles that are predominately used on-site at non-residential land uses shall be electric-powered or powered by biofuels (such as biodiesel tB100l) that are produced from wastp products, or shall use
other technologies that do not rely on direct fossil fuel consumption.

Dated Signature for
Verifi cation of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table I
Highway 50 Specific Plan Project Mitigation Monitoring and Reporting Plan for the Folsom south of u.s

38.4 CLIMATE CHANGE -WATER
AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
30

06/23/2026 Item No.18.

Mitigation Measure 3A.5-1b: Perform an Inventory and Evaluation of Cultural Resources for the California Register of Historic placis, Minimize or Avoid Damage or Destruction, and Perform Treatment Where Damage or Destruction Cannot be Avoided.

Management of cultural resources JtigiUt" for or listed on the CRHR under CEQA mirrors management steps required under Section 106.

ThesJsteps may be combined with deliverables and management steps performed for Section 106 provided that management documents prepared ior the pA also clearly reference the CRHR listing criteria and significance thresholds that apply under CEQA. Prior to groundairtorUitrg work for each individual development phase or off-site element, the applicable oversight agency (City of Folsom, El Dorado County, Sacramento County, or Caltrans), or the project applicant(s) of all project phases, with applicable agency oversight, shall perform the following actions:
> Retain the services of a qualified archaeologist to perform an inventory of cultural resources within each individual development phase or off-site element subject to approval unaei Cfqe. Identified resources shall be evaluated for listing on the CRHR. The inventory report shall also identiff locations that are sensitive for undiscovered cultural resources based upon the location ofknown resources, geomorphology, and topography. The inventory report shall specify the location of monitoring of ground-disturbing work in these areas by a quiUfredarchaeologist, and monitoring in the vicinity of identified resources that may be damaged by construction, if appropriate.

The identification of sensitive locations subject to monitoring during construction of each individual development phase shall be performed in concert with monitoring activities performed under the PA to minimize the potential for conflicting requirements.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the two roadway
connections in El Dorado
Hills: El Dorado County
Development Services
Department.

3. For the detention basin west
of Prairie City Road:

Sacramento County
Planning and Community
The applicable oversight
agency and the project
applicant(s) (at the
agency's direction) of
all project phases.

Before issuance of
building permits and
ground-disturbing
activities.

Mitigation Measure 3A.5-1a: Comply with the Programmatic Agreement; The PA for the proposed project is incorporated by reference.

1.he FA provides a management framework for identifying historic properties, determining adverse effects, and resolving those adverse effects ai required under Section 106 of the NHPA. This document is incorporated by reference. The PA is available for public inspection and review ui th" Califo*ia Office of Historic Preservation 1725 23rd Sheet Sacramento, CA 95816.

USACE and the project
applicant(s) of all project
phases (as directed by
USACE), with oversight by
the SHPO.

USACE (or designee)
and the project
applicant(s) ofall
project phases (as
directed by USACE)
The PA shall be
prepared and executed
(signed) prior to
issuance ofany Federal
permit or authorization
for any aspect or
component of the
specific plan project.

Prior to the approval of
grading plans and
building permits for all
off-site water facilities.

Mitigation Measure 38.4-1b Prepare and Implement an Off-site Water Facilities Climate Action Plan. Prior to operation, the City shall have-in place aOff-site Water Facilities Climate Action Plan and Greenhouse Reduction Strategy (Plan) that has been adopted by the City following an opportunity for review and recommendation by the SMAQMD. At a minimum, the Plan shall include:
> Designation of person Responsible for Implementation. The Plan shall designate the name and contact information of the person(s) responsible for ensuring continuous and on-going implementation of the Plan. > GHG Inventory and Reduction Target. The City shall prepare a complete GHG Inventory for the Offsite Water Facilities components within one year following occupancy and a GHG reduction target based on State guidance. > Off-site Water Facilities Design Features. The Off-site Water Facilities shall include design features to reduce operational GHG emissions, as well as an estimate of the reduction in GHG emissions that is expected to result from each facility. Initial measures that may be considered include, but are not limited to:
. desigp all conditioned occupancies with "cool roofs" using products certified by the Cool Roof Rating Council, and other exposed. roof surfaces coated with "cool paints";
. design all conditioned occupancies to take advantage ofshade through the planting ofdeciduous canopy-type trees and/or prevailing winds to reduce energy use;
r make maximum use of EnergyStar-qualified energy efficient appliances, heating and cooling systems, office equipment and lighting products;
. install a photovoltai c affay (solar panels) or other source of renewable energy generation on-site, or otherwise acquire energy that has been generated by renewable sources to meet a portion of the electricity needs of the Offsite Water Facilities; and . in an effort to reduce GHG emissions from transportation sources, the bid specifications for the Offsite Water Facilities should require that bidders demonstrate that they have given preference to local sources of building materials or offer evidence to support why such local sources have not been used.

1. For improvements that
would be located within the
City of Folsom: City of
Folsom Neighborhood
Services Department, City
of Folsom Comrnunity
Development Department
and SMAQMD.

2. For improvements that
would be located within
unincorporated Sacramento
County: Sacramento County
Planning and Community
Development Department
and SMAQMD.

3. For improvements that
would be located within the
City of Rancho Cordova:

City of Rancho Cordova
Planning Department and
SMAQMD.

City of Folsom Utilities
Department
Planning Department and
SMAQMD.

Timing Mitigation Measure
Dated Signature for
Verification of Compliance
Enforcement lmplementation
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project 3A,.5 CULTURAL RESOURCES - LAND
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 31

06/23/2026 Item No.18.
l. For all project-related
improvements that would be
located within the City of
Folsom: Cify of Folsom
Community Development
Project applicant(s) of
all project phases.

Upon the discovery of
suspected human
remains.

Mitigation Measure 34.5-3: Suspend Ground-Disturbing Activities if Human Remains are Encountered and Comply with California Health and Safety Code Procedures. In accordance with the California Health and Safety Code, if human remains are uncovered during ground-disturbing activities, including those associated with off-site elements, the pioject applicant(s) ot all prqect phases shall immediately halt all ground-disturbing activities in the area ofthe find and notiSr the applicable county coroner and a professional archaeologist skilled in osteological analysis to determine the nature of the remains. The coroner is required to examine all discoveries of human remains within 48 l. For actions taken to satisfy
the requirements of Section
106:the SHPO and
USACE.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For the two roadway
connections off-site into El
Dorado Hills: El Dorado
County Development
Services Department.

4. For the detention basin west
of Prairie City Road:

Sacramento County
Planning and Community
Development Departrnent.

5. For the U.S. 50 interchange
improvements : Caltrans.

Project applicant(s) of
all project phases.

Before and during
ground-disturbing
activities.

Mitigation Measure 3A.5-2: Conduct Construction Personnel Education, Conduct On-Site Monitoring if Required, Stop Work if Cultural Resources are Discovered, Assess the Significance of the Find, and Perform Treatment or Avoidance as Required. To reduce potential impacts to previously undiscovered cultural resources, the project applicant(s) ofall project phases shall do the following:
> Before the start ofground-disturbing activities, the project applicant(s) ofall project phases shall retain a qualified archaeologist to conduct training for construction workers as necessary based upon the sensitivity of the project APE, to educate them about the possibility ofencountering buried cultural resources, and inform them ofthe proper procedures should cultural resources be encountered. > As a result of the work conducted for Mitigation Measures 3A.5-la and 3A.5-1b, if the archaeologist determines that any portion of the SPA or the off-site elements should be monitored for potential discovery of as-yet-unknown cultural resources, the project applicant(s) of all project phases shall implement such monitoring in the locations specified by the archaeologist. USACE should review and approve any recommendations by archaeologists with respect to monitoring > Should any cultural resources, such as structural features, unusual amounts ofbone or shell, artifacts, or architectural remains be encountered during any construction activities, work shall be suspended in the vicinity ofthe find and the appropriate oversight agency(ies) (identified below) shall be notified immediately. The appropriate oversight agency(ies) shall retain a qualified archaeologist who shall conduct a field investigation of the specific site and shall assess the significance of the find by evaluating the resource for eligibility for listing on the CRHR and the NRHP. If the resource is eligible for listing on the CRHR or NRHP and it would be subject to disturbance or destruction, the actions required in Mitigation Measures 3A.5-la and 3A.5-1b shall be implemented. The oversight agency shall be responsible for approval of recomrnended mitigation if it is determined to be feasible in light of the approved land uses, and shall implement the approved mitigation before resuming construction activities at the archaeological site.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., El Dorado and./or Sacramento Counties, or Caltrans).

Development Department.

4. For the U.S. 50 interchange
improvements : .Caltrans.
> For each resource that is determined eligible for the CRHR, the applicable agency or the project applicant(s) for any particular discretionary development (under the agency's direction) shall obtain the services of a qualified archaeologist who shall determine if implementation of the individual project development would result in damage or destruction of "significant" (under CEQA) cultural resources. These findings shall be reviewed by the applicable agency for consistency with the significance thresholds and treatment measures provided in this EIR/EIS.
> Where possible, the project shall be configured or redesigned to avoid impacts on eligible or listed resources. Alternatively, these resources may be preserved in place if possible, as suggested under California Public Resources Code Section 21083.2. Avoidance of historic properties is required under certain circumstances under the Public Resource Code and 36 CFR Part 800. > Where impacts cannot be avoided, the applicable agency or the project applicant(s) of all project phases (under the applicable agency's direction) shall prepare and implement treatment measures that are determined to be necessary by a qualified archaeologist. These measures may consist of data recovery excavations for resources that are eligible for listing because of the data they contain (which may contibute to research). Alternatively, for historical architectural, engineered, or landscape features, treatment measures may consist of a preparation of interpretive, narrative, or photographic documentation. These measures shall be reviewed by the applicable oversight agency for consistency with the significance thresholds and standards provided in this EIR/EIS. > To support the evaluation and treatment required under this mitigation measure, the archaeologist retained by either the applicable oversighl agency or the project applicant(s) ofall project phases shall prepare an appropriate prehistoric and historic context that identifies relevant prehistoric, ethnographic, and historic themes and research questions against which to determine the significance of identified resources and appropriate treatment.
> These steps and documents may be combined with the phasing of management and documents prepared pursuant to the PA to minimize the potential for inconsistency and duplicative management efforts.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., El Dorado and/or Sacramento Counties, or Caltrans).

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1 Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 32

06/23/2026 Item No.18.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the two off-site roadway
connections from Folsom
Heights into El Dorado
Hills: El Dorado County
Public Works Department.

3. For the off-site detention
basin west ofPrairie City
Road: Sacramento County
Planning and Community
Development Department.

4. For the U.S. 50 interchange
improvements: Caltrans.

Project applicant(s) of
all project phases.

Before issuance of
building permits and
ground-disturbing
activities.

Mitigation Measure 3A.7-la: Prepare Site-Specific Geotechnical Report per CBC Requirements and Implement Appropriate Recommendations. Before building permits are issued and construction activities begin any project development phase, the project applicant(s) ofeach project phase shall hire a licensed geotechnical engineer to prepare a final geotechnical subsurface investigation repofi for the on- and off-site facilities, which shall be submitted for review and approval to the appropriate City or county department (identified below). The final geotechnical engineering report shall address and make recommendations on the following:
> site preparation;
> soil bearing capaciry;
> appropriate sources and types offill;
> potential need for soil amendments;
> road, pavement, and parking areas;
> structural foundations, includingretaining-wall design; > grading practices;
> soil corrosion ofconcrete and steel;
> erosion/winterization;
> seismic ground shaking;
> liquefaction; and
> expansive/unstablesoils.

In addition to the recommendations for the conditions listed above, the geotechnical investigation shall include subsurface testing of soil and groundwater conditions, and shall determine appropriate foundation designs that are consistent with the version of the CBC that is applicable at the time building and grading permits are applied for. All recommendations contained in the final geotechlical engineering report shall be implemented by the project applicant(s) of each project phase. Special recommendations contained in the geotechnical engineering report Department.

2. For the fwo roadway
connections in El Dorado
Hills: El Dorado County
Development Services
Department.

3. For the detention basin west
of Prairie City Road:

Sacramento Counfy
Planning and Community
Development Department.

4. For the U.S. 50 interchange
improvements: Caltrans.
hours of receiving notice of a discovery on private or public lands (California Health and Safety Code Section 7050.5 [b]). If the coroner determines that the remains are those of a Native American, he or she must contact the NAHC by phone within 24 hours of making that determination (California Health and Safety Code Section 7050[c]).

After the coroner's findings are complete, the project applicant(s), an archaeologist, and the NAHC-designated MLD shall determine the ultimate treatment and disposition of the remains and take appropriate steps to ensure that additional human interments are not disturbed. The responsibilities for acting on notification of a discovery of Native American human remains are identified in Section 5097 .9 of the Califomia Public Resources Code.

Upon the discovery of Native American remains, the procedures above regarding involvement of the applicable county coroner, notification of the NAHC, and identification of an MLD shall be followed. The project applicant(s) of all proj ect phases shall ensure that the immediate vicinity (according to generally accepted cultural or archaeological standards and practices) is not damaged or disturbed by further development activity until consultation with the MLD has taken place. The MLD shall have at least 48 hours after being granted access to the site to inspect the site and make recommendations. A range of possible treatments for the remains may be discussed: nondestructive removal and analysis, preservation in place, relinquishment of the remains and associated items to the descendants, or other culturally appropriate treatment. As suggested by Assembly Bill (AB) 2641 (Chapter 863, Statutes of 2006), the concerned parties may extend discussions beyond the initial 48 hours to allow for the discovery of additional remains. AB 2641(e) includes a list of site protection measures and states that the project applicant(s) shall comply with one or more of the following requirements:
> record the site with the NAHC or the appropriate Information Center, > use an open-space or conservation zoning designation or easement, or > record a document with the county in which the property is located.

The project applicant(s) or its authorized representative of all project phases shall rebury the Native American human remains and associated grave goods with appropriate dignity on the property in a location not subject to further subsurface disturbance if the NAHC is unable to identifu an MLD or if the MLD fails to make a recommendation within 48 hours after being granted access to the site. The project applicant(s) or its authorized representative may also reinter the remains in a location not subject to further disturbance if it rejects the recommendation of the MLD and mediation by the NAHC fails to provide measures acceptable to the landowner. Ground disfurbance in the zone of suspended activity shall not recommence without authorization from the archaeologist.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., El Dorado and/or Sacramento Counties, or Caltrans).

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project 3A.7 GEOLOGY, SOILS, MINERALS, AND PALEONTOLOGICAL RESOURCES. LAND Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 33

06/23/2026 Item No.18.

1. For all project-related
improvements that would be
located within the Cify of
Folsom: City of Folsom
Community Development
Department.

2. For the two off-site roadway
connections from Folsom
Heights into Ei Dorado
Hills: El Dorado County
Public Works Department.

3. For the off-site detention
basin west of Prairie City
Road: Sacramento County
Planning and Community
Development Department.

Project applicant(s) of
all project phases.

Before the start of
construction activities.

Mitigation Measure 34.7-3: Prepare and Implement the Appropriate Grading and Erosion Control Plan. Before grading permits are issued, the project applicant(s) of each project phase that would be located within the City of Folsom shall retain a Califomia Registered Civil Engineer to prepare a grading and erosion control plan. The grading and erosion control plan shall be submitted to the City Public Works Department before issuance of grading permits for all new development. The plan shall be consistent with the City's Grading Ordinance, the City's Hillside Development Guidelines, and the state's NPDES permit, and shall include the site-specific grading associated with development for all project phases.

For the two off-site roadways into El Dorado Hills, the project applicant(s) of that phase shall retain a California Registered Civil Engineer to prepare a grading and erosion control plan. The grading and erosion control plan shall be submitted to the El Dorado County Public Works Department and the El Dorado Hills Community Service District before issuance of grading permits for roadway construction in El Dorado Hills. The plan shall be consistent with El Dorado County's Grading, Erosion, and Sediment Control Ordinance and the state's NPDES permit, and shall include the site-specific grading associated with roadway development.

For the off-site detention basin west of Prairie City Road, the project applicant(s) of that phase shall retain a California Registered Civil Engineer to prepare a grading and erosion control plan. The grading and erosion control plan shall be submitted to the Sacramento County Public Works Department before issuance of a grading permit. The plan shall be consistent with Sacramento County's Grading, Erosion, and Sediment Control Ordinance and the state's NPDES permit, and shall include the site-specific grading associated with construction of the detention basin.

The plans referenced above shall include the location, implementation schedule, and maintenance schedule of all erosion and sediment control measures, a description ofmeasures designed to control dust and stabilize the construction-site road and entrance, and a description of the location and methods of storage and disposal of construction materials. Erosion and sediment control measures could include the use of detention basins, berms, swales, wattles, and silt fencing, and covering or watering of stockpiled soils to reduce wind erosion. Stabilization on steep slopes could include construction of retaining walls and reseeding with vegetation after construction. Stabilization of construction entrances to minimize trackout (control dust) is commonly achieved by installing filter fabric and crushed rock to a depth of approximately 1 foot. The project applicant(s) shall ensure that the construction contractor is responsible for securing a source oftransportation and deposition of excavated materials.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each apphcable prolect phase wrth the attected oversrght agency(res) (r.e., El Dorado and/or Sacramento Uountres).

Implementation of Mitigation Measure 3A.9-l (discussed in Section 3A.9, "Hydrology and Water Quality - Land") would also help reduce erosion-related impacts.
l. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
. Community Development
Department.

2. For the two off-site roadway
connections from Folsom
Heights into El Dorado
Hills: El Dorado County
Public Works Department.

3. For the off-site detention
basin west of Prairie City
Road: Sacramento County
Planning and Community
Development Department.

4. For the U.S. 50 interchange
improvements: Caltrans.

Project applicant(s) of
all project phases.

Before issuance of
building permits and
ground-disturbing
activities.

Mitigation Measure 34.7-1b: Monitor Earthwork during Earthmoving Activities. All earthwork shall be monitored by a qualified geotechnical or soils engineer retained by the project applicant(s) of each project phase. The geotechnical or soils engineer shall provide oversight during all excavation, placement of fill, and disposal of materials removed from and deposited on both on- and off-site construction areas.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., El Dorado and/or Sacramento Counties, or Caltrans). shall be noted on the grading plans and implemented as appropriate before construction begins. Design and construction of all new project development shall be in accordance with the CBC. The project applicant(s) shall provide for engineering inspection and certification that earthwork has been performed in conformity with recommendations contained in the geotechnical report.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 34

06/23/2026 Item No.18.

Mitigation Measure 3A.7-10: Conduct Construction Personnel Education, Stop Work if Paleontological Resources are Discovered, Asseis the Significance of the Find, and Prepare and Implement a Recovery Plan as Required. To minimize potential adverse impacts on previously-unknown potentially unique, scientifically important paleontological resources, the project applicant(s) ofall project phases where construction would occur in the Ione and Mehrten Formations shall do the following:
> Before the start of any earthmoving activities for any project phase in the Ione or Mehrten Formations, the project applicant(s) shall retain a qualified paleontologist or archaeologist to train all construction personnel involved with earthmoving activities, including the site superintendent, regarding the possibility ofencountering fossils, the appearance and types offossils likely to be seen during construction, and proper notification procedures should fossils be encountered. > If paleontological resources are discovered during earthmoving activities, the construction crew shall immediately cease work in the vicinity of tne nna and notifi the appropriate lead agency (identified below). The project applicant(s) shall retain a qualified paleoniologist to evaluate thl resourie ind prepare a recovery plan in accordance with Society ofVertebrate Paleontology guidelines if
qqo. The recovery plan may include, but is not limited to, a field survey, construction monitoring, sampling and data recovery procedures, -ur"u-
,to.ug" ioordination for any specimen recovered, and a report of findings. Recommendations in the recovery plan ihut ur" determined by the lead agency to be necessary and feasible shall be implemented before consfiuction activities can resume at the site where the paleontological resources were discovered.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., Sacramento County)' During earthmoving
activities in the Ione and
Mehrten Formations.

Project applicant(s) of
all project phases within
the Ione and Mehrten
Formations.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site detention
basin west of Prairie City
Road: Sacramento County
Planning and Community
Development Department.

Mitigation Measure 3A.7-9: Conduct Soit Sampling in Areas of the SPA Designated as MRZ-3 for Kaolin Clay and if Found, Delineate its Location and Notify Lead Agency una tn" California Division of Mines and Geology. The project applicant(s) of all applicable project phases shall retain a licensed geotechnical or soils engineer to analyze soil core samples that shall be extracted from that portlon of itre-spezoned MM-3 for kaolin clay, as shown on Exhibit 3A.7-3.In the event that kaolin clay is discovered, the City of Folsom, -sacramento
County, and CDMG shall be notified. In addition, the approximate horizontal and vertical extent of available kaolin clay shall be delineated by the geotechnical or soils engineer.

Before issuance of
building permits for
development within the
Ione Formation.

City of Folsom Community
Development Department,
Sacramento County Planning
and Community Development
Department, Califomia
Division of Mines and
Geology.

Project applicant(s) of
all project phases in the
Ione Formation.

Before and during
earthmoving activities
Mitigafion Measure 34.7-5: Divert Seasonal Water Flows Away from Building Foundations. The project applicant(s) of all project phasJs shall either install subdrains (which typically consist ofperforated pipe and gravel, surrounded by nonwoven geotextile fabric), or take such other actions as recommended iy the gbotechnical or civil engineer for the project that would serve to divert seasonal flows caused by surface infiltration, water seepage, and perched water during the winter months away from building foundations.

Project applicant(s) of
all project phases.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the two roadway
connections in El Dorado
Hills: El Dorado County
Public Works Department.

Mitigation Measure 3A.74: Prepare a Seismic Refraction Survey and Obtain Appropriate Permits for all On-Site and Off-site Elements nast of Ota placerville Road. Before the start of all construction activities east of Old Placerville Road, the project applicant(s) for any discretionary development application shall retain a licensed geotechnical engineer to perform a seismic refraction survey' Project-related excavation activities shall be canied out as recommend by the geotechnical engineer. Excavation may include the use of heavy-duty equipment such as large bulldozers or large excavators, and may include blasting. Appropriate permits for blasting operations shall be obtained from the relevant City or county
jurisdiction prior to the starl of any blasting activities.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of eactr applicable project phase with the affected oversight agency(ies) (i.e., El Dorado and/or Sacramento Counties).

Before or during
earthmoving activities.

Proj ect applicant(s) of
all project phases for onsite and off-site
elements east of Old
Placerville Road.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the two off-site roadway
connections from Folsom
Heights into El Dorado
Hills: El Dorado County
Public Works Department.

Mitigation Measure Timing Enforcement lmplementation
Dated Signature for
Verification of Compliance
and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Table 1
Mitigation Monitoring
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 35

06/23/2026 Item No.18.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Departrnent.

2. For the off-site water
facilities within
Unincorporated Sacramento
County or the City of
Rancho Cordova:

Sacramento County
Planning and Community
Implementation: City
of Folsom Utilities
Deparhnent
Prior to completion of
engineering plans for all
Off-site Water Facilities
Mitigation Measure 38.7 -42 Implement Corrosion Protection Measures.

As determined appropriate by a licensed geotechnical or civil engineer, the City shall ensure that all underground metallic fittings, appurtenances, and piping include a cathodic protection system to protect these facilities from corrosion. l. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site water
facilities within
Unincorporated Sacramento
County or the City of
Rancho Cordova:

Sacramento County
Planning and Community
Development Department or
City of Rancho Cordova
Planning Department.

City of Folsom Utilities
Department
Prior to completion of
engineering plans for all
Off-site Water Facilities.

Mitigation Measure 38.7-1b: Incorporate Pipeline Failure Contingency Measures Into Final Pipeline Design. Isolation valves or similar devices shall be incorporated into all pipeline facilities to prevent substantial losses of surface water in the event ofpipeline rupture, as recommended by a licensed geotechnical or civil engineer. The specifications of the isolation valves shall conform to the CBC and American Water Works Association standards.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site water
facilities within
Unincorporated Sacramento
County or the City of
Rancho Cordova:

Sacramento County
Planning and Community
Development Department or
City of Rancho Cordova
Planning Deparfrnent.

City of Folsom Utilities
Department
Prior to completion of
engineering plans for all
Off-site Water Facilities.

Mitigation Measure 3B.7-1a: Prepare Geotechnical Report(s) for the Off-site Water Facilities and Implement Required Measures.

Facility design for all Off-site Water Facility components shall comply with the site-specific design recommendations as provided by a licensed geotechnical or civil engineer to be retained by the City. The final geotechnical and/or civil engineering report shall address and make recommendations on the following:
> site preparation;
> soil bearing capacity;
> appropriate sources and types offill;
> potential need for soil amendments;
> road, pavement, andparking areas;
> structural foundations, includingretaining-wall design; > grading practices;
> soil corrosion ofconcrete and steel;
> erosior/winterization;
> seismic ground shaking;
> liquefaction; and
> expansive/unstablesoils.

In addition to the recommendations for the conditions listed above, the geotechnical investigation shall include subsurface testing of soil and groundwater conditions, and shall determine appropriate foundation designs that are consistent with the version of the CBC that is applicable at the time building and grading permits are applied for. All recommendations contained in the final geotechnical engineering report shall be implemented by the City.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific plan project Table 1
AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U,S. Highway 50 Specific Plan
City of Folsom 36

06/23/2026 Item No.18.

Mitigation Measure 3A.8-2: Complete Investigations Related to the Extent to Which Soil and/or Groundwater May Have Been Contaminated in Areas Not Covered by the Phase I and II Environmental Site Assessments and Implement Required Measures. The project applicant(s) for any discretionary development application shall conduct Phase I Environmental Site Assessments (where an Phase I has not been conducted), and if necessary, Phase II Environmental Site Assessments, and/or other appropriate testing for all areas of the SPA and include, as necessary, analysis of soil and/or groundwater samples for the potential contamination sites that have not yet been covered by previous investigations (as shown in Exhibit 3A.S-l) before construction activities begin in those areas. Recommendations in the Phase I and II Environmental Site Assessments to address any contamination that is found shall be implemented before initiating ground-disturbing activities in these areas.

The project applicant(s) shall implement the following measures before ground-disturbing activities to reduce health hazards associated with potential exposure to hazardous substances:
> Prepare a plan that identifies any necessary remediation activities appropriate for proposed on- and off-site uses, including excavation and removal of on-site contaminated soils, redistribution of clean fill material in the SPA, and closure of any abandoned mine shafts. The plan shall include measures that ensure the safe transport, use, and disposal of contaminated soil and building debris removed from the site. In the event that contaminated groundwater is encountered during site excavation activities, the contractor shall report the contamination to the appropriate regulatory agencies, dewater the excavated area, and treat the contaminated groundwater to remove contaminants before discharge into the sanitary sewer system. The project applicant(s) shall be required to comply with the plan and applicable Federal, state, and local laws. The plan shall outline measures for specific handling and reporting procedures for hazardous materials and disposal of hazardous materials removed from the site at an appropriate off-site disposal facility. > Notify the appropriate Federal, state, and local agencies if evidence of previously undiscovered soil or groundwater contamination (e.g., stained soil, odorous groundwater) is encountered during construction activities. Any contaminated areas shall be remediated in accordance with recommendations made by the Sacramento County Environmental Management Department, Central Valley RWQCB, DTSC, and/or other appropriate Federal, state, or local regulatory agencies. > Obtain an assessment conducted by PG&E and SMUD pertaining to the contents of any existing pole-mounted transformers located in the SPA. The assessment shall determine whether existing on-site electrical transformers contain PCBs and whether there are any records of spills from such equipment. If equipment containing PCB is identified, the maintenance and/or disposal of the hansformer shall be subject to the regulations of the Toxic Substances Conkol Act under the authority of the Sacramento County Environmental Health Department.

Before and during
earthmoving activities.

Project applicant(s) of
all project phases for
any discretionary
development
application.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site detention
basin west of Prairie City
Road: Sacramento County
Environmental Management
Department.

3. Other regulatory agencies,
such as Califomia
Department of Toxic
Substances Control, or
Central Valley Regional
Water Quality Conhol
Board, as appropriate.

Mitigation Measure 38.7-5: Conduct Construction Personnel Education, Stop Work if Paleontological Resources are Discovered, Assess the Significance of the Find, and Prepare and Implement a Recovery Plan as Required. To minimize potential adverse impacts on previously unknown potentially unique, scientifically important paleontological resources, the City shall implement appropriate measures during construction of the Offsite Water Facility improvements. These measures shall be required for construction activities at the following locations: (1) Grant Line Road, south of SR 16; (2) Florin road, east of Excelsior Road; (3) Gerber Road, east of Excelsior Road; (4) White Rock Road, east of Prairie City Road; and (5) Prairie City Road and shall include:
> Before the start of any earthmoving activities for any project phase in the Riverbank Formation, the project applicant(s) shall retain a qualified paleontologist or archaeologist to train all construction personnel involved with earthmoving activities, including the site superintendent, regarding the possibility of encountering fossils, the appearance and types of fossils likely to be seen during construction, and proper notification procedures should fossils be encountered. > If paleontological resources are discovered during earthmoving activities, the construction crew shall immediately cease work in the vi-inity of the find and notiff Sacramento County Planning and Community Development Department. The project applicant(s) shall retain a qualified paleontologist to evaluate the resource and prepare a recovery plan in accordance with Society ofVertebrate Paleontology guidelines (1996). The recovery plan may include, but is not limited to, a field survey, construction monitoring, sampling and data recovery procedures, museum storage coordination for any specimen recovered, and a report of findings. Recommendations in the recovery plan that are determined by the County to be necessary and feasible shall be implemented before construction activities can resume at the site where the paleontological resources were discovered.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site water
facilities within
Unincorporated Sacramento
County or the City of
Rancho Cordova:

Sacramento County
Planning and Community
Development Department or
City of Rancho Cordova
Planning Department.

City of Folsom Utilities
Department
During earthmoving
activities in the
Roverbank, Ione, and
Mehrten Formations as
shown in Wagner et al,
198 1.

Development Department or
City of Rancho Cordova
Plan:ring Department.

Enforcement lmplementation Timing
Dated Signature for
Verification of Compliance
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Proiect 3A.8 HAZARDS AND HAZARDOUS MATERIALS. LAND
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 37

06/23/2026 Item No.18.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site detention
basin west of Prairie City
Road: Sacramento County
Planning and Community
Development Department.

Project applicant(s) for
activities that would
occur in the Area 40
boundary or on areas
used for groundwater
monitoring and other
remediation activities.

Before approval of final
maps and/or issuance of
permits for sales trailers
and model homes within
the Area 40 boundary,
the off-site detention
basin, or lands subject to
monitoring or other
remediation activities.

Mitigation Measure 3A.8-3c: Provide Written Notification to the City that, as required by EPA, DTSC, and the Central Valley RWQCB, -Required Noti{ication Obligations and/or Easements Have Been Fulfilled to Ensure that Construction Activities Do Not Interfere with Remedial Actions.

Pursuant to their oversight over investigations of hazardous substances and determination of remedial action, EPA and/or DTSC establish, as appropriate, deed restrictions (e.g., restoictions on future groundwater uses or future land uses) or easements (e.g., continued access to groundwater wells and pipelines) on property with associated notice requirements. The project applicant(s) for all such affected project activities, located within the Area 40 boundary, the off-site detention basin, or lands subject to monitoring or other remediation activities shall provide notification in writing to the City (or Sacramento Counfy for the off-site detention basin) that said required notification obligations have been fulfilled. Evidence of the method of notification required by EPA and/or DTSC shall be submitted to the City before approval of tentative maps or improvement plans.

The project applicant(s) for such affected project activities shall coordinate with the City to include this provision as part of tentative map approval within the Area 40 boundary or lands subject to monitoring or other remediation activities. The project applicant(s) shall coordinate with Sacramento County for such affected project activities pertaining to the off-site detention basin.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., Sacramento County).

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., Sacramento County).

L For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Deparftnent.

2. For the ofl-site detention
basin west of Prairie City
Road: Sacramento County
Planning and Community
Development Deparknent.

3. U.S. Environmental
Protection Agency, Califomia
Department of Toxic
Substances Conffol, and/or
Central Valley Regional
Water Quality Contol Board,
Aerojet General Corporation,
as appropriate.

Project applicant(s) for
activities within the
Area 40 boundary or on
lands used for
monitoring or other
remediation-related
activities.

Before the approval of
grading plans and during
construction activities
within the Area 40
boundary, off-site
detention basin, or on
lands used for
monitoring or other
remediation-related
activities.

Mitigation Measure 3A.8-3b: Coordinate Development Activities to Avoid Interference with Remediation Activities. The project applicant(s) for any particular discretionary development that would occur in or adjacent to the Area 40 boundary shall provide notice to Aerojet or any successor in interest and DTSC, the Central Valley RWQCB, and the City of Folsom of the location, nature, and duration of construction activities least 30 days before construction activities begin in areas on or near properfy with current or planned remediation activities (Area 40). Remedial actions, as required by DTSC, RWQCB, and/or the EPA, may include, but are not limited to:
> deed restrictions on land and groundwater use;
> requirements for building ventilation, heating, and air conditioning design; > monitoring;
> installation ofvertical barriers;
> biological, chemical, and/or physical treatment;
> extraction or excavation; and/or
> pump and ffeat activities.

Before the approval of grading plans which include areas within the Area 40 boundary or the off-site detention basin, the project applicant(s) shall consult with Aerojet, EPA, DTSC, and./or the Central Valley RWQCB or any successor to schedule the timing of construction activities to prevent potential conflicts with investigation and remediation activities.

The project applicant(s) for activities related to the off-site detention basin located outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) with Sacramento County. l. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site detention
basin west of Prairie City
Road: Sacramento County
Plaming and Community
Development Department.

Project appli cants(s) for
activities that would
occur in the Area 40
boundary or on areas
used for groundwater
monitoring and other
remediation activities.

Ongoing to the
satisfaction of EPA
DTSC and/or the
Central Valley
RWQCB.

Mitigation Measure 3A.8-3a: Require the Project Applicant(s) to Cooperate with Aerojet and Regulatory Agencies to Preserve, Modify, or Close Existing Groundwater Monitoring Wells. The project applicant(s) for any particular discretionary development that would occur in or adjacent to the Area40 boundary shall consult with Aerojet, EPA, DTSC, and./or the Central Valley RWQCB or any successor in interest to establish the preservation, modification, or closure of existing groundwater monitoring wells. If necessary, Aerojet, or any successor may purchase lots or obtain access agreements from the project applicant(s) to maintain access to monitoring wells and./or remediation systems. If groundwater wells are to be affected by proposed tentative maps, then the project applicant(s) or successors shall provide the City with evidence that the relocation, modification, or closure of the well(s) is approved by the appropriate agencies as part of the City's final map approval process and before development.

The project applicant(s) for activities related to the off-site detention basin located outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) with Sacramento County.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., Sacramento County).

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U,S. Highway 50 Specific Plan
City of Folsom 38

06/23/2026 Item No.18.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site detention
basin west of Prairie City
Road: Sacramento-Yolo
Mosquito and Vector
Project applicant(s) of
all project phases
containing water
features.

Before issuance of
grading permits for the
project water features.

Mitigation Measure 3A.8-7: Prepare and Implement a Vector Control Plan in Consultation with the Sacramento-Yolo Mosquito and Vector Control District. To ensure that operation and design of the stormwater system, including multiple planned detention basins, is consistent with the recommendations of the Sacramento-Yolo Mosquito and Vector Control District regarding mosquito control, the project applicant(s) of all project phases shall prepare and implement a Vector Control Plan. This plan shall be prepared in coordination with the Sacramento-Yolo Mosquito and Vector Control District and shall be submitted to the City for approval before issuance of the grading permit for the detention basins under the City's jurisdiction. For the off-site detention basin, the plan shall be submitted to Sacramento County for approval before issuance of the grading permit for the off-site detention basin. The plan shall incorporate specific measures deemed sufficient by the City to minimize public health risks from mosquitoes, and as contained within the Sacramento-Yolo Mosquito and Vector Control District BMP Manual (Sacramento-Yolo Mosquito and Vector Conhol District 2008). The plan shall include, but is not limited to, the following components:
l. City of Folsom Community
Development Department.

2. Folsom Cordova Unified
School District.

Project applicant(s) of
all project phases for
any particular
discretionary
development entitlement
in the vicinity of hightension transmission
lines.

At the submission of
tentative map
applications.

Mitigation Measure P3A.8-6: Prudent Avoidance and Notification of EMF Exposure. Potential purchasers of residential properties near the transmission lines shall be made aware of the controversy surrounding EMF exposure. The California Department of Real Estate shall be requested to insert an appropriate notification into the applicant's final Subdivision Public Reporl application, which shall be provided to purchasers of properties within 100 feet from the 100-1 15kV power line , or within 150 feet from the 220-230 kV power line . The notification would include a discussion of the scientific studies and conclusions reached to date, acknowledge that the notification distance is not based on specific biological evidence, but rather, the distance where background levels may increase, and provide that, given some uncertainty in the data, this notification is merely provided to allow purchasers to make an informed decision.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom Fire
Department.

2. For the off-site roadway
connections in El Dorado
County: El Dorado County
Sheriff s Department.

Project applicant(s) and
contractor(s) ofall
project phases in which
blasting would be
employed.

At the submission of
tentative map
applications.

Mitigation Measure 34.8-5: Prepare and Implement a Blasting Safety Plan in Consultation with a Qualified Blaster.

To reduce the potential for accidental injury or death related to blasting, contractors whose work on the SPA will include blasting shall prepare and implement a blasting safety plan. This plan shall be created in coordination with a qualified blaster, as defined by the Construction Safety and Health Outreach Program, Subpart U, Section 1926.901, and distributed to all appropriate members of construction teams. The plan shall apply to project applicant(s) of all project phases in which blasting would be employed. The plan shall include, but is not limited to:
> storage locations that meet ATF standards contained in 27 CFR Part 55; > safety requirements for workers (e.g., daily safety meetings, personal protective equipment); > an accident management plan that considers misfires (i.e. explosive fails to detonate), unexpected ignition, and flyrock; and > measures to protect surrounding property (e.g., netting, announcement of dates of expected blasting, barricades, and audible and visual warnings).

Upon completion of a blasting safety plan, the project applicant(s) contractor shall secure any required permits from the City of Folsom Fire Department and the El Dorado County Sheriffs Depaftment for blasting activities in Sacramento County and El Dorado County, respectively.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., El Dorado County).

For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department; U.S.

Environmental Protection
Agency.

Project applicant(s) in
consultation with the
City, Aerojet, and U.S.

Environmental
Protection Agency for
activities that would
occur in the Communify
Park West area.

Prior to approval of
tentative maps within
the Community Park
West area.

Mitigation Measure 3A.8-3d: Land Use Restrictions for Contaminated Soil and Groundwater within Area 40 as depicted on the Remedial Restrictions Area Exhibit 3A.8-9. Prior to approval of any tentative maps, improvement plans, or discretionary project approvals for locations within Area 40, as depicted in the Remedial Restrictions Area (Exhibit 3A.8-9), the project applicant(s) shall designate those areas that are subject to off-gassing hazards in excess ofan indoor air standard, as open space or park use, as required by the City and Aerojet in consultation with the EPA. Areas designated for open space or park under this mitigation measure shall be determined by the City and by Aerojet in consultation with the EPA using risk calculations (completed in accordance with EPA's 1989 Risk Assessment Guidance for Superfund [EPA/540/1-89-002] and DTSC's 1992 Supplemental Guidancefor Human Health Multimedia Risk Assessments of Hazardous I4raste Sites and Permitted Facilities atd 1994 Preliminary Endangerment Assessment Guidance Manual, or such guidance as may be in place at the time risk assessment is performed) for exposure to off-gassing from either soil or groundwater based on detected PCE and TCE concentrations. The project applicant(s) for such affected areas located within Area 40 as depicted on the Remedial Restrictions Area Exhibit 3A.8-9 shall implement this measure as part of tentative map applications or other discretionary project approvals when such applications are submitted to the City.

Ifthe portions ofArea 40 that are designated for park and open space use are not available for use as park and open space as identified in the SPA concunently with surrounding development that creates demand for park and open space use, the project applicant(s), and the owners of land within the SPA shall identiff and the City may rezone equivalent acreage of suitable park and open space land within the SPA for development as interim or permanent park and open space to meet the then cuffent demand.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 39

06/23/2026 Item No.18.
l. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site water
facilities constructed within
Sacramento County or the
City of Rancho Cordova:

Sacramento County
Environmental Management
Department.

3. Other regulatgry agencies,
such as California
Department of Toxic
Substances Control, or
Cenfal Valley Regional
Water Quality Control
Board, as appropriate.

City of Folsom Utilities
Department
Mitigation Measure 3B.8-1a: Transporf Storeo and Handle Construction-Related Ilazardous Materials in Compliance with Relevant Regulations and Guidelines.

The City shall ensure, through the enforcement of contractual obligations, that all contractors tuansport, store, and handle construction-related hazardous materials in a manner consistent with relevant regulations and guidelines, including those recommended and enforced by Caltrans, Central Valley RWQCB, local fire departrnents, and the County environmental health department.

Recommendations shall include as appropriate tansporting and storing materials in appropriate and approved containers, maintaining required clearances, and handling materials using applicable Federal, state and,/or local regulatory agency protocols. In addition, all precautions required by the Central Valley RWQCB-issued NPDES construction activity stomwater permits shall be taken to ensure that no hazardous materials enter any nearby waterways.

In the event of a spill, the City shall ensure, through the enforcement of contractual obligations, that all contractors immediately control the source of any leak and immediately contain any spill utilizing appropriate spill containment and countermeasures. If required by the local fire departments, the local environmental health department, or any other regulatory agency, contaminated media shall be collected and disposed of at an off-site facility approved to accept such media.

The storage, handling, and use of the construction-related hazardous materials shall be in accordance with applicable Federal, state, and local laws. Construction-related hazardous materials and hazardous wastes (e.g., fuels and waste oils) shall be stored away from stream channels and steep banks to prevent these materials from entering surface waters in the event of an accidental release. These materials shall be kept at sufficient distance (at least 500 feet) from nearby residences or other sensitive land uses. This includes materials stored for expected use, materials in equipment and vehicles, and waste materials. > Description of the project.
> Description of detention basins and all water features and facilities that would control on-site water levels. > Goals of the plan.
> Description of the water management elements and features that would be implemented, including:
. BMPs that would implemented on-site;
. public education and awareness;
. sanitary methods used (e.g., disposal of garbage);
. mosquito control methods used (e.g., fluctuating water levels, biological agents, pesticides, larvacides, circulating water); and . stormwater management (consistent with Stormwater Management Plan). > Long-term maintenance of the detention basins and all related facilities (e.g., specific ongoing enforceable conditions or maintenance by a homeowner's association).

To reduce the potential for mosquitoes to reproduce in the detention basins, the project applicant(s) shall coordinate with the Sacramento-Yolo Mosquito and Vector Control District to identify and implement BMPs based on their potential effectiveness for SPA conditions. Potential BMPs could include, but are not limited to, the following:
. build shoreline perimeters as steep and uniform as practicable to discourage dense plant growth; . perfom routine maintenance to reduce emergent plant densities to facilitate the ability of mosquito predators (i.e., fish) to move throughout vegetated area;
. design distribution piping and containment basins with adequate slopes to drain fully and prevent standing water. The design slope should take into consideration buildup of sediment between maintenance periods. Compaction during grading may also be needed to avoid slumping and settling;
. coordinate ileaning of catch basins, drop inlets, or storm drains with mosquito treatment operations; . enforce the prompt removal of silt screens installed during construction when no longer needed to protect water quality; . if the sump, vault, or basin is sealed against mosquitoes, with the exception of the inlet and outlet, submerge the inlet and outlet completely to reduce the available surface area of water for mosquito egg-laying (female mosquitoes can fly through pipes); and . design structures with the appropriate pumping, piping, valves, or other necessary equipment to allow for easy dewatering of the unit if necessary (Sacramento Yolo Mosquito and Vector Control District 2008).

The project applicant(s) of the project phase containing the off-site detention basin shall coordinate mitigation for the off-site with the affected oversight agency (i.e., Sacramento County).

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project

38.8 HAZARDS AND HAZARDOUS MATERIALS - WATER
AECOM
Mitigalion Monitoring and Reporting Program
Folsom South of U,S. Highyrtay 50_Specific Plan
City of Folsom 40

06/23/2026 Item No.18.

Mitigation Measure 3B.8-5b: Develop and Implement a Remediation Plan. If determined necessary to mitigate for potential hazards tesulting from disturbance of existing contaminated areas, the extent of contamination from hazardous materials sites within or adjacent to the Off{ite Water Facilities construction area shall be delineated during final design. Disturbance to contaminated areas during Off-site Water Facilities construction shall be avoided, or any work done within contaminated areas shall be undertaken in compliance with standards approved by the DTSC or Sacramento County Department of Environmental Health to ensure that hazardous materials will not be released as a result ofthe ground disturbance.

Additionally, if unidentified contaminated soil or groundwater are encountered, or if suspected contamination is encountered during any construction activities, work shall be halted in the area of potential exposure, and the type and extent of contamination shall be identified' A qualified professional, in consultation with appropriate regulatory agencies, will then develop and implement a plan to remediate the contamination and properly dispose of the contaminated material.

City of Folsom Utilities
Department
Prior to construction of
all Off-site Water
Facilities
l. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site water
facilities constructed within
Sacramento County or the
City of Rancho Cordova:

Prior to construction of
all Off-site Water
Facilities
Mitigation Measure 38.8-5a: Conduct Phase 1 Environmental Site Assessment for Selected Alignment. Prior to construction, the City shallionduct a Phase I Environmental Site Assessment according to American Society for Testing and Materials (ASTM) protocol for the selected conveyance pipeline alignment, pump station, well, and WTP site. If any hazardous materials or waste sites are identified during the Phase I Environmental Site Assessment, the City shall implement Mitigation Measure 3.8-5b. l. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site water
facilities constructed within
Sacramento County or the
City of Rancho Cordova:

Sacramento County
Environmental Management
Department.

3. Other regulatory agencies,
such as California
Department of Toxic
Substances Control, or
Cenhal Valley Regional
Water Quality Control
Board, as appropriate.

City of Folsom Utilities
Department
Prior to construction and
operation of all Off-site
Water Facilities
Mitigation Measure 38.8-1b: Prepare and Implement a Hazardous Materials Management Plan.

The City shall prepare a Hazardous Materials Management Plan (HMMP) for the proposed WTP. The HMMP shall provide for safe storage, containment, and disposal of chemicals and hazardous materials related to WTP operations, including waste materials. The plan shall include, but shall not be limited to, the following:
> a description of hazardous materials and hazardous wastes; > a description ofhandling, transport, treatment, and disposal procedures, as relevant for each hazardous material or hazardous waste; > preparedness, prevention, contingency, and emergency procedures, including emergency contact information; > A description of personnel training including, but not limited to: ( I ) recognition of existing or potenti al hazards resulting from accidental spills or other releases; (2) implementation of evacuation, notification, and other emergency response procedures; (3) management, u*arene5, and handling of hazardous materials and hazardous wastes, as required by their level of responsibility; > Instructions on keeping Materials Safety and Data Sheets (MSDS) on-site for each on-site, hazardous chemical; > Identification of the locations of hazardous material storage areas, including temporary storage areas, which shall be equipped with secondary containment sufficient in size to contain the volume of the largest container or tank; and > A description of equipment maintenance procedures.

The HMMP shall be made a condition of contractual obligation and shall be available for review by construction inspectors and implementation compliance shall be monitored.
l. For all project-related
improvlmlnts that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site water
facilities constructed within
Sacramento County or the
City of Rancho Cordova:

Sacramento County
Environmental Management
Department.

3. Other regulatory agencies,
such as Califomia
Department of Toxic
Substances Control, or
Central Valley Regional
Water Quality Control
Board, as appropriate.

City of Folsom Utilities
Department
Mitigation Measure lmplementation Timing
Dated Signature for
Verification of Compliance
Enforcement
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 41

06/23/2026 Item No.18.
l. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the ofl-site water
facilities constructed within
Sacramento County or the
City of Rancho Cordova:

Sacramento County Fire
Department.
l. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the two roadway
connections in El Dorado
Hills: El Dorado County
Department of
Transportation.

3. For the detention basin west
City of Folsom Utilities
Department
Project applicant(s)
during all project phases
and on-site and off-site
elements.

Prior to construction and
operation of all Off-site
Water Facilities
Submittal of the State
Construction General
PermitNOI and SWPPP
(where applicable) and
development and
submittal of any other
locally required plans
and specifications
before the issuance of
grading permits for all
on-site project phases
and off-site elements
Mitigation Measure 3B.8-7b: Provide Accessible Fire Suppression Equipment. Work crews shall be required to carry or have sufficient fire suppression equipment to ensure that any fire resulting from construction activities is immediately extinguished. All off-road equipment using internal combustion engines shall be equipped with spark arrestors.

Mitigation Measure 3A.9-1: Acquire Appropriate Regulatory Permits and Prepare and Implement SWPPP and BMPs. Prior to the issuance of grading permits, the project applicant(s) of all projects disturbing one or more acres (including phased construction of smaller areas which arc part of a larger project) shall obtain coverage under the SWRCB's NPDES stormwater permit for general construction activity (Order 2009-0009-DWQ), including preparation and submiftal of a project-specific SWPPP at the time the NOI is filed. The project applicant(s) shall also prepare and submit any other necessary erosion and sediment control and engineering plans and specifications for pollution prevention and control to Sacramento County, City of Folsom, El Dorado County (for the off-site roadways into El Dorado Hills under the Proposed Project Altemative). The SWPPP and other appropriate plans shall identify and specifr:
> the use of an effective combination of robust erosion and sediment control BMPs and construction techniques accepted by the local jurisdictions for use in the project area at the time of construction, that shall reduce the potential for runoff and the release, mobilization, and exposure of pollutants, including legacy sources of mercury from project-related construction sites. These may include but would not be limited to temporary erosion contol and soil stabilization measures, sedimentation ponds, inlet protection, perforated riser pipes,

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the off-site water
facilities constructed within
Sacramento County or the
City of Rancho Cordova:

Sacramento County Fire
Department
City of Folsom Utilities
Department
Prior to construction and
operation of all Off-site
Water Facilities
Mitigation Measure 38.8-7a: Keep Construction Area Clear of Combustible Materials. The City shall ensure, through the enforcement ofcontractual obligations that during construction, staging areas, welding areas, or areas slated for development using spark-producing equipment shall be cleared of dried vegetation or other materials that could serve as fire fuel. The contractor shall keep these areas clear of combustible materials in order to maintain a firebreak. Any construction equipment that normally includes a spark arrester shall be equipped with an arester in good working order. This includes, but is not limited to, vehicles, heavy equipment, and chainsaws.

Sacramento County
Environmental Management
Departrnent.

3. Other regulatory agencies,
such as Califomia
Department of Toxic
Substances Control, or
Central Valley Regional
Water Quality Contol
Board, as appropriate.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1 Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project 3A.9 HYDROLOGYAND WATER QUALITY. LAND
AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 42

06/23/2026 Item No.18.
rI
I
ttr
I
I
{
i
r
I

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Public Works Department.

2. For the two roadway
connections in El Dorado
Hills: El Dorado County
Department of
Transportation.

Project applicant(s)
during all on-site project
phases and off-site
elements.

Before approval of
grading plans and
building permits of all
project phases.

Mitigation Measure 3A.9-2: Prepare and Submit Final Drainage Plans and Implement Requirements Contained in Those Plans.

Befoie the approval of grading plans and building permits, the project applican(s) of all project phases shall submit final drainage plans to the City, and io El Dorado Count5r for the off-site roadway connections into El Dorado Hills, demonstrating that off-site upstream runoff would Le appropriately conveyed through the SPA, and that project-related on-site runoff would be appropriately contained in detention basins or managed with through other improvements (e.g., source controls, biotechnical stream stabilization) to reduce flooding and hydromodfi cation impacts.

The plans shall include, but not be limited to, the following items:
> an accurate calculation ofpre-project andpost-projectrunoffscenarios, obtainedusing appropriate engineering methods, that accurately evaluates potential changes to runoff, including increased surface runoff; > runoffcalculations for the l0-year and 100-year (0.01 AEP) storm events (and other, smaller storm events as required) shall be performed and the trunk drainage pipeline sizes confirmed based on alignments and detention facility locations finalized in the design phase;
> a description of the proposed maintenance progmm for the on-site drainage system; > project-specific standards for installing drainage systems; > Clty and El Dorado County flood control design requirements and measures designed to comply with them; Implementation of stormwater management BMPs that avoid increases in the erosive force of flows beyond a specific range of cotrditions needed to limit hydromodification and maintain current stream geomorphology. These BMPs will be designed and constructed in accordance with the forthcoming SSQP Hydromodification Management Plan (to be adopted by the RWQCB) and may include, but are not limited to, the following:
of Prairie City Road:

Sacramento County
Planning and Community
Development Department.

4. For the U.S. 50 interchange
improvements: Caltrans.

5. For all construction
activities subject to the
state's Construction General
Permit and violators of local
ordinances referred to the
state for enforcement:

Central Valley Regional
Water Quality Control
Board.
and implementation
throughout project
construction.
check dams, and silt fences
> the implementation of approved local plans, non-stormwater management controls, permanent post-construction BMPs, and inspection and maintenance responsibilities;
> the pollutants that are likely t-o be used during construction that could be present in stormwater drainage and nonstormwater discharges, including fuels, lubricants, and other types of materials used for equipment operation; > spill prevention and contingency measures, including measures to prevent or clean up spills of hazardous waste and of hazardous materials used for equipment operation, and emergency procedures for responding to spills; > personnel haining requirements and procedures that shall be used to ensure that workers are aware of permit requirements and proper installation methods for BMPs specified in the SWPPP; and > the appropriate personnel responsible for supervisory duties related to implementation of the SWPPP.

Where applicable, BMPs identified in the SWPPP shall be in place throughout all site work and construction/demolition activities and shall be used in all subsequent site development activities. BMPs may include, but are not limited to, such measures as those listed below. > Implementing temporary erosion and sediment control measures in disturbed areas to minimize discharge of sediment into nearby drainage conveyances, in compliance with state and local standards in effect at the time of construction. These measures may include silt fences, staked straw bales or wattles, sediment/silt basins and haps, geofabric, sandbag dikes, and temporary vegetation. > , Establishing permanent vegetative cover to reduce erosion in areas disturbed by construction by slowing runoff velocities, trapping sediment, and enhancing filtration and hanspiration.
> Using drainage swales, ditches, and earth dikes to control erosion and runilffby conveying surface runoff down sloping land, intercepting and diverting runoffto a watercourse or channel, preventing sheet flow over sloped surfaces, preventing runoff accumulation at the base of a grade, and avoiding flood damage along roadways and facility infrastructure.

A copy of the approved SWPPP shall be maintained and available at all times on the construction site.

For those areas that would be disturbed as part of the U.S. 50 interchange improvements, Caltrans shall coordinate with the development and implementation of the overall project SWPPP, or develop and implement its own SWPPP specific to the interchange improvements, to ensure that water quality degradation would be avoided or minimized to the maximum extent practicable.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with the affected oversight agency(ies) (i.e., El Dorado and/or Sacramento Counties, or Caltrans)' Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Mitigation Monitoring and Reporting Plan fo. tfr"?ill""oln South of U.S. Highway 50 Specific Plan Project i
I
I
I
I
t
Folsom South of U,S. Highway 50 Specific Plan
City of Folsom
t-.

AECOM
Mitigation Monitoring and Reporting Program 43

06/23/2026 Item No.18.

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department and Public
Works Department.

2. For the fwo roadway
connections in El Dorado
Hills: EI Dorado Counfy
Department of
Transportation.

3. For the U.S. 50 interchange
improvements: Caltrans.

Project applicant(s)
during all on-site project
phases and off-site
elements.

Prepare plans before the
issuance ofgrading
permits for all project
phases and off-site
elements and
implementation
throughout project
construction.

Mitigation Measure 34.9-3: Develop and Implement a BMP and Water Quality Maintenance Plan. Before approval of the grading permits for any development project requiring a subdivision map, a detailed BMP and water quality maintenance plan shall be prepared by a qualified engineer retained by the project applicant(s) the development project. Drafts of the plan shail be submifted to the Cify of Folsom and El Dorado County for the off-site roadway connections into El Dorado Hills, for review and approval concurrently with development of tentative subdivision maps for all project phases. The plan shall finalize the water quality improvements and further detail the structural and nonstructural BMPs proposed for the project. The plan shall include the elements described below. > A quantitative hydrologic and water quality analysis ofproposed conditions incorporating the proposed drainage design features. > Predevelopment and postdevelopment calculations demonstrating that the proposed water quality BMPs meet or exceed requirements established by the City of Folsom and including details regarding the size, geometry, and functional timing of storage and release pursuant to the "'Stormwater Quality Design Manual for Sacramento and South Placer Regions" ([SSQP 2007b1per NPDES Permit No.

CAS082597 WDR Order No. R5-2008-0142,page 46) and El Dorado County's NPDES SWMP (County of El Dorado 2004). > Source control programs to control water quality pollutants on the SPA, which may include but are limited to recycling, street sweeping, storm drain cleaning, household hazardous waste collection, waste minimization, prevention of spills and illegal dumping, and effective management of public trash collection areas.
> A pond management component for the proposed basins that shall include management and maintenance requirements for the design features and BMPs, and responsible parties for maintenance and funding. > LID control measures shall be integrated into the BMP and water quality maintenance plan. These may include, but are not limited to:
. surface swales;
. replacement of conventional impervious surfaces with pervious surfaces (e.g., porous pavement); . impervious surfaces disconnection; and
. trees planted to intercept stormwater.
> New stormwater facilities shall be placed along the natural drainage courses within the SPA to the extent practicable so as to mimic the natural drainage pattems. The reduction in runoff as a result of the LID configurations shall be quantified based on the runoff reduction credit system methodology described in "Stormwater Quality Design Manual for the Sacramento and South Placer Regions, Chapter 5 and Appendix Da" (SSQP 2007b) and proposed detention basins and other water quality BMPs shall be sized to handle these runoff volumss.

For those areas that would be disturbed as part of the U.S. 50 interchange improvements, it is anticipated that Caltrans would coordinate with the development and implementation of the overall project SWPPP, or develop and implement its own SWPPP specific to the interchange . use of Low Impact Development (LID) techniques to lirnit increases in stormwater runoff at the point of origination (these may include, but are not limited to: surface swales; replacement of conventional imperuious surfaces with pervious surfaces [e.g., porous
pavement]; impervious surfaces disconnection; and trees planted to intercept stormwater); . enlarged detention basins to minimize flow changes and changes to flow duration characteristics; . bioengineered stream stabilization to minimize bank erosion, utilizing vegetative and rock stabilization, and inset floodplain restoration feafures that provide for enhancement of riparian habitat and maintenance of natural hydrologic and channel to floodplain interactions;
. minimize slope differences between any stormwater or detention facility outfall channel with the existing receiving channel gradient to reduce flow velocity; and
. minimize to the extent possible detention basin, bridge embankment, and other encroachments into the channel and floodplain corridor, and utilize open bottom box culverts to allow sediment passage on smaller drainage courses. > The final drainage plan shall demonstrate to the satisfaction of the City of Folsom Community Development and Public Works Departments and El Dorado County Department of Transportation that 100-year (0.01 AEP) flood flows would be appropriately channeled and contained, such that the risk to people or damage to structures within or down gradient of the SPA would not occur, and that hydromodification would not be increased from pre-development levels such that existing stream geomorphology would be changed (the range of conditions should be calculated for each receiving water if feasible, or a conservative estimate should be used, e.g., an Ep of I +lUoh or other as approved by the Sacramento Stormwater Quality Partnership and/or City of Folsom Public Works Department).

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with El Dorado County.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Table 1
AECOM
Mitigation Moniioring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 44

06/23/2026 Item No.18.

1. Central Valley Regional
Water Quality Control
Board.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
CommuniSr Development
Department.

City of Folsom Utilities
Department
Incorporation measures
into SWPPP prior to
construction and
implementation
throughout construction,
as appropriate.

Mitigation Measure 3B.9-1b: Properly Dispose of Hydrostatic Test Water and Construction Dewatering in Accordance with the Central Valley Regional Water Quality Control Board. All hydrostatic test water and construction dewatering shall be discharged to an approved land disposal area or drainage facility in accordance with Central Valley RWCQB requirements. The City or its construction contractor shall provide the Central Valley RWQCB with the location, type of discharge, and methods of treatment and monitoring for all hydrostatic test water discharges. Emphasis shall be placed on those discharges that would occur directly to surface water bodies.

1. Central Valley Regional
Water Quality Control
Board.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For improvements within
unincorporated Sacramento
County or City of Rancho
Cordova: Sacramento
County Planning and
Community Development
Department or City of
Rancho Cordova Planning
Department.

City of Folsom Utilities
Department
Development of the
SWPPP prior to
construction of all Offsite Water Facilities and
implementation
throughout construction.

Mitigation Measure 38.9-1a: Acquire Appropriate Regulatory Permits and Prepare and Implement SWPPP and BMPs.

The City shall prepare a SWPPP specific to the selected Off-site Water Facility Altemative and secure coverage under SWRCB's NPDES stormwater permit for general construction activity (Order 2009-0009-DWQ). The SWPPP shall identify specific actions and BMPs relating to the prevention of stormwater pollution from project-related construction sources by identifuing a practical sequence for site restoration, BMP implementation, contingency measures, responsible parties, and agency contacts. The SWPPP shall reflect localized surface hydrological conditions and shall be reviewed and approved by the City prior to commencement of work and shall be made conditions of the contract with the contractor selected to build the Off-site Water Facilities. The SWPPP shall incorporate control measures in the following categories:
> soil stabilization and erosion control practices (e.g., hydroseeding, erosion control blankets, mulching, etc.; > dewatering and/or flow diversion practices, if required (see Mitigation Measure 3B.9-1b); > sediment control practices (temporary sediment basins, fiber rolls, etc.); > temporary and post-construction on- and off-site runoff controls; > special considerations and BMPs for water crossings, wetlands, drainages, and vernal pools; > monitoring protocols for discharge(s) and receiving waters, with emphasis placed on the following water quality objectives: dissolved oxygen, floating material, oil and grease, pH, and turbidity; > waste management, handling, and disposal control practices; > corrective action and spill contingency measures;
> agency and responsible party contact information, and > training procedures that shall be used to ensure that workers are aware of permit requirements and proper installation methods for BMPs specified in the SWPPP.

The SWPPP shall be prepared by a qualified SWPPP practitioner with BMPs selected to achieve maximum pollutant removal and represent the best available technology that is economically achievable. Emphasis for BMPs shall be placed on controlling discharges of oxygendepleting substances, floating material, oil and grease, acidic or caustic substances or compounds, and furbidity. Performance and effectiveness of these BMPs shall be determined either by visual means where applicable (i.e., observation of above-normal sediment release), or by actual water sampling in cases where verification of contaminant reduction or elimination, (inadvertent petroleum release) as required to determine adequacy of the measure.

City of Folsom Public Works
Department.

Project applicant(s) of
all on-site project phases
and off-site elements.

Prior to submittal to the
City of tentative maps or
improvement plans.

Mitigation Measure 3A.9-4: Inspect and Evaluate Existing Dams Within and Upstream of the Project Site and Make Improvements if Necessary. Prior to submittal to the City of tentative maps or improvement plans the project applicant(s) of all project phases shall perfonn conduct studies to determine the extent of inundation in the case of dam failure. If the studies determine potential exposure of people or structures to a significant risk of flooding as a result of the failure of a dam, the applicants(s) shall implement of any feasible recommendations provided in that study, potentially through drainage improvements, subject to the approval of the City of Folsom Public Works Department. improvements, to ensure that water quality degradation would be avoided or minimized to the maximum extent practicable.

Mitigation for the off-site elements outside of the City of Folsom's jurisdictional boundaries must be coordinated by the project applicant(s) of each applicable project phase with El Dorado County and Caltrans.

Dated Signature for
Verification of Compliance
Enforcement lmplementation Timing Mitigation Measure
Table 1 Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project

38.9 HYDROLOGY AND WATER QUALITY _ WATER
Folsom South of U.S, Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 45

06/23/2026 Item No.18.

Mitigation Measure 38.9-3b: Ensure the Provision of Sufficient Outlet Protection and On-site Containment. Energy dissipaters, vegetated rip-rap, soil protection, and/or other appropriate BMPs shall be included within all storm-drain outlets to slow runoffvelocities and prevent erosion at discharge locations for the WTP. A long-term maintenance plan shall be implemented for all drainage discharge control devices. The WTP layout shall also include sufficient on-site containment and pollution-control devises for drainage facilities to avoid the off-site release ofwater quality pollutants, oil and grease.

City of Folsom Utilities
Department
Incorporation of
measures into the
Drainage Plan prior to
start of construction.

1. Central Valley Regional
Water Quality Control
Board.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For improvements within
unincorporated Sacramento
County or City of Rancho
Cordova: Sacramento
County Planning and
Community Development
Dcpartmcnt or City of
Rancho Cordova Planning
Department.

Development of the
Drainage Plan prior to
start of construction.

Mitigation Measure 3B.9-3a: Prepare and Implement Drainage Plan(s) for Structural Facilities. The City shall prepare a Drainage Plan for the selected Off-site Water Fability WTP and shall incorporate measures to maintain off-site runoffduring peak conditions to preconstruction discharge levels. The Drainage Plan shall provide both short- and long-term drainage solutions to ensure the proper sequencing of drainage facilities during and following construction. The City shall evaluate options for on-site detention including, but not limited to, providing temporary storage within a portion or portions of proposed paved areas, linear infiltration facilities along the site perimeter, and/or other on-site opportunities for detention, retention, and/or infiltration facilities. Design specifications for the detention, retention, and/or infiltration facitities shall provide sufficient storage capacity to accommodate the l0-year, 24-hour storm event. In addition, the Drainage Plan shall delineate the ovirland release path for flows generated by a 100-year frequency storm, so that structural pad elevations for buildings, containment facilities, storage tank, and container storage areas axe placed a minimum of one foot above the properly's highest frontage curb elevation. The Drainage Plan shall also provide sufficient attenuation of flows to ensure no net increase in off-site discharges to waterways that drain across the FSC via one or more drainage chutes (e.g., Buffalo Creek).

City of Folsom Utilities
Deparhnent.

1. Cenhal Valley Regional
Water Quality Control
Board.

2. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

3. For improvements within
unincorporated Sacramento
County or City of Rancho
Cordova: Sacramento
County P.lanning and
Community Development
Department or City of
Rancho Cordova Planning
Department.

4. For all off-site
improvements that would
drain across one or more of
the FSC drainage chutes: U.

S. Bureau of Reclamation.

3. For improvements within
unincorporated Sacramento
County or City of Rancho
Cordova: Sacramento
County Planning and
Community Development
Department or City of
Rancho Cordova Planning
Department.

Mitigation Measure lmplementation Timing Enforcement
Dated Signature for
Verification of Compliance
Table 1
Mitigation Monitoring and Reporting Plan for the Fotsom South of U.S. Highway 50 Specific Plan Project AECOM
Mitigation Monitoring and Reporting Program
Folsom South of U.S. Highway 50 Specific Plan
City of Folsom 46

06/23/2026 Item No.18.
3B.10 LAND USE AND AGRICULTURAL RESOURCES - WATER
3A.11 NOISE. LAND
Mitigation Measure 3A.11-1: Implement Noise-Reducing Construction Practices, Prepare and Implement a Noise Control Plan, and Monitor and Record Construction Noise near Sensitive Receptors. To reduce impacts associated with noise generated during projectrelated construction activities, the project applicant(s) and their primary contractors for engineering design and construction of all project phases shall ensure that the following requirements are implemented at each work site in any year of project construction to avoid and minimize construction noise effects on sensitive receptors. The project applicant(s) and primary construction contractor(s) shall employ noise-reducing construction practices. Measures that shall be used to limit noise shall include the measures listed below:
> Noise-generating construction operations shall be limited to the hours between 7 a.m. and 7 p.m. Monday through Friday, and between 8 a.m. and 6 p.m. on Saturdays and Sundays.
> All construction equipment and equipment staging areas shall be located as far as possible from nearby noise-sensitive land uses. > All construction equipment shall be properly r.naintained and equipped with noise-reduction intake and exhaust mufflers and engine shrouds, in accordance with manufacturers' recommendations. Equipment engine shrouds shall be closed during equipment operation. > All motorized construction equipment shall be shut down when not in use to prevent idling. > Individual operations and techniques shall be replaced with quieter procedures (e.g., using welding instead of riveting, mixing concrete offsite instead of on-site). > Noise-reducing enclosures shall be used around stationary noise-generating equipment (e.g., compressors and generators) as planned phases are built out and future noise sensitive receptors are located within close proximity to future construction activities. > Written notification of construction activities shall be provided to all noise-sensitive receptors located within 850 feet of construction activities. Notification shall include anticipated dates and hours during which construction activities are anticipated to occur and contact

1. For all project-related
improvements that would be
located within the City of
Folsom: City of Folsom
Community Development
Department.

2. For the two roadway
connections off-site into El
Dorado Hills: El Dorado
County Development
Services Department.

Project applicant(s) and
primary contractor(s) of
all project phases.

Before and during
construction activities
on the SPA and within
El Dorado Hills.

Immediately following
construction
Mitigation Measure 38.10-4: Restore Affected Agricultural Lands to Preproject Conditions The City shall consult with all affected land owners where the selected alignment would cross Important Farmland. As part of the easement acquisition process, the City shall demonstrate a good-faith effort to negotiate with affected landowners an agreed-upon compensation for the losi of any existing pasture and/or row crops currently in production. During these consultations the City shall also, in conjunction with landowners' input, identiff areas along the right-of-way that could be left in agricultural production as well as locations for access gates to allow for city staff access. Access gate locations shall be included in the final design plans for the Off-site Water Facilities. Compensation for the loss ofcrops and associated revenues shall be up to the provisions oflaw.

Sacramento County
Community Development and
Planning Department
City of Folsom Utilities
Department
Mitigation Measure 38.10-2: Acquire Development Approvals for Off-site WTPs. The City shall implement one of the two following options to enable development of the White Rock WTP under Off-site Water Facility Alternatives 1, lA, 3, and 3A:
(l) Annexation and Pre-Zoning to Public Use. The City shall file an application with Sacramento LAFCo to amend its sphere of influence to include the White Rock WTP . The application shall include a statement describing that the sphere of influence amendment is necessary to ensgre the provision of adequate water supply, distribution, and treatment for planned development with the Folsom SPA. Subject to LAFCo approval oithe sphere of influence amendment, the City shall prepare an application to annex and prezone the White Rock WTP site for puUtic Use. As pirt of the White Rock WTP site's design, spacing opportunities between the WTP facilities and adjacent land use shall be maximized to encourage open space continuity and disruption to adjacent agricultural areas. Prior the annexation approval, the City shall provide LAFCo with the following: (a) dedications of rights-of-way; (b) improvements for vehicle access; (c) the placement of structures and their associated heigh! and (d) landscaping/open space for the protection ofadjoining and nearby properties. or
(2) Obtain County Use Permit or General Plan Amendment. The City shall file an application with Sacramento County for a Use Permit to aliow the operation of the proposed WTP within the AG-80 zone. The City shall comply with the conditions of the Use Permit, so that the WTp site iJ developed consistent with County requirements in terms of the following: (a) dedications of right-of-way; (b) improvements for vehicle access; (c) ihe placement ofstructures and their associated height; and (d) landscaping for the protection ofadjoining and nearby properties. Altemativeiy, the City may file an application for a General Plan Amendment and Rezone to designate the White Rock WTP site ior public Use. In addition to complying with the requirements of the Public zone, the City shall develop the site consistent with the County's for the following: (a) dedications of right-of-way; (b) improvements for vehicle access; (c) the placement of structures and their associated heighq and (d) landscaping for the protection ofadjoining and nearby properties.

1. For annexation and sphere
of influence applications:

Sacramento County LAFCo.

2. For the entitlement and
General Plan applications
through Sacramento
County: Sacramento County
Planning and Community
Development Department.

City of Folsom Utilities
Department
Prior to acquisition and
development of the Offsite WTP
Mitigation Measure lmplementation Timing
Dated Signature for
Verification of Compliance
Enforcement
Table 1
Mitigation Monitoring and Reporting Plan for the Folsom South of U.S. Highway 50 Specific Plan Project Folsom South of U.S. Highway 50 Specific Plan
City of Folsom
AECOM
Mitigation Monitoring and Reporting Program 47