Indio City Council
April 20, 2022

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City of Indio Coco Palms/TTM 38072
August 2021 Initial Study/Mitigated Negative Declaration 38 Environmental Setting
Geology
The geology and seismicity of the Coachella Valley is primarily influenced by the tectonics of the San Andreas and San Jacinto fault systems. The San Andreas Fault is a continental transform fault that extends roughly 750 miles through California. It forms the tectonic boundary between the Pacific Plate and the North American Plate, and its motion is right-lateral strike-slip (horizontal). The San Jacinto Fault Zone (SJFZ) is a major strike-slip fault zone that runs through San Bernardino, Riverside, San Diego, and Imperial Counties in Southern California. The SJFZ is a component of the larger San Andreas transform system and is considered to be the most seismically active fault zone in the area.

The valley is bounded by the San Bernardino Mountains on the northwest, San Jacinto Mountains on the west, Santa Rosa Mountains on the south, and Little San Bernardino Mountains and Indio Hills on the northeast.

Soils
Episodic flooding of major regional drainages, including the Whitewater River, results in the deposition of sand and gravel on the valley floor. Strong sustained winds emanating from the San Gorgonio Pass cause wind erosion and transport and deposit dry, finely granulated, sandy soils on the central valley floor. Regional soils range from rocky outcrops within the mountains bordering the valley to coarse gravels of mountain canyons and recently laid fine- and medium-grained alluvial (stream deposited) and aeolian (wind deposited) sediments on the central valley floor.

Paleontological Resources
Paleontological resources are the fossilized remains of prehistoric animals and plants, created more than 12,000 years ago in the Pleistocene era. Fossils are usually buried resources, and often cannot be identified on the surface. A relatively thick sequence (20,000 feet) of sediment has been deposited in the Coachella Valley portion of the Salton Trough from the Miocene era to present times. These sediments are predominantly terrestrial in nature with some lacustrine (lake) and minor marine deposits. The major contributor of these sediments has been the Colorado River. The mountains surrounding the Coachella Valley are composed primarily of Precambrian metamorphic and Mesozoic "granitic" rock.

Discussion of Impacts
a, i) No Impact. Fault rupture occurs when movement on a fault deep within the earth breaks through to the surface. A Geotechnical study was performed for the site as part of the 2006 Las Plumas project. According to the study, the Project site is not located within an Alquist-Priolo Earthquake Fault Zone and no active faults are known to have been present on the site. The nearest earthquake fault is the San Andreas Fault (Coachella Section), which is located approximately 4.2 miles northwest of the site. This fault is capable of generating earthquakes of magnitude 7.2 on the Richter scale. Fault rupture is not expected on the Project site because it does not occur in a Fault Zone. No impact is anticipated.

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August 2021 Initial Study/Mitigated Negative Declaration 39 a, ii) Less Than Significant Impact. The Project site is located in a seismically active region where earthquakes originating on local and regional faults can produce severe ground shaking.

Buildings proposed for the site will be required to be constructed in accordance with the most recent edition of the California Building Code (CBC) and Indio Municipal Code Section 156.035 to provide collapse-resistant design.6 According to the CBC, Site Class D may be used to estimate seismic design loading for the proposed structures. As a result of these standards, Project-related impacts associated with seismic ground shaking will be less than significant. a, iii) Less Than Significant Impact. Liquification occurs when 3 conditions exist: liquefactionsusceptible soils; groundwater within 50 feet or less below ground surface; and strong seismic shaking. During the 2006 Las Plumas geotechnical investigation, groundwater was encountered at depths ranging from approximately 16 feet within the southeastern portion of the site to over 30 feet within the northern portion of the site to 13 feet below the existing ground surface on the site. Several silty sand layers were encountered near and below the present groundwater surface which appeared susceptible to liquefaction based upon grain-size characteristics and may be susceptible to liquefaction during a major seismic event.

Liquefaction impacts can be reduced by site engineering design, including soil compaction and foundation design, as required by the Project geotechnical engineer.

The City requires that all construction meet the latest standards of the California Building Code for construction in seismic hazard areas. The City may also require a project-specific geotechnical engineering analysis, as necessary, to determine whether additional soil remediation or compaction is required. This standard requirement will be imposed by the City prior to issuance of building permits and will assure that impacts associated with seismic induced liquefaction or ground failure remain less than significant. a, iv) No Impact. The Project site is located on the Coachella Valley floor. It predominantly consists of sand and is surrounded by relatively flat terrain. The nearest hillsides slope of the Santa Rosa mountains are approximately 4.1 miles west of the subject property. Due to distance from the nearest hillside, no impacts associated with landslides will occur. b) Less Than Significant Impact. Development of the Project site has the potential to result in the erosion of soils during site preparation, grading, and building construction. However, the applicant will be required to adhere to erosion control measures imposed by the City of Indio through grading and building permit regulations, including adherence to SCAQMD Rule 403.1, that requires a fugitive dust control plan; and on-site Best Management Practices established in the Project WQMP to prevent soil erosion during storm events. All grading activities would require grading permits from the Indio Public Works Department and would be required to comply with the standards imposed by the City to limit potential erosion impacts.

Once developed, the site will be stabilized by structures, roadways and landscaped areas, which will eliminate the potential for soil erosion due to wind. Soil erosion due to storm flows will be controlled through the permanent Best Management Practices incorporated into Project plans through the requirements of the National Pollution Discharge Elimination System 6 Indio Municipal Code 156.035 - Standards for Design and Improvement.

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August 2021 Initial Study/Mitigated Negative Declaration 40 (NPDES), which the City implements as a co-permittee with the County of Riverside. Impacts would less than significant.
c) Less than Significant Impact. Surface soils of the Proposed Project site consist alluvial basin (valley), beach, aeolian, and lacustrine deposits composed of undissected to dissected, weakly consolidated gravel, sand, silt and clay, with abundant, non-mineralized mollusk fragments. 7 These soils are not considered unstable soils or geologic units. Also, the site is not susceptible to on- or off-site landslide, lateral spreading, or collapse due to the distance from mountainous slopes and foothills. However, the Project is susceptible to liquefaction due to groundwater depth.

For the Proposed Development, the City may require a project-specific geotechnical engineering analysis, as necessary, to determine whether additional soil remediation or compaction is required. This standard requirement will be imposed by the City prior to issuance of building permits and will assure that impacts associated with soils remain less than significant.
d) No Impact. Expansive soils typically contain large amounts of clay that expand when water is absorbed and shrink when they dry. As described in Section VII-a.iii, above, the site’s underlying soils consist of silty sand and sand, which has low shrink-swell potential. In addition, an expansion test was done in 2006 that determined much of the surface soil on-site is non-expansive and falls within the “very low” expansion category in accordance with the Uniform Building Code classification system. This soil type showed an Expansion Index of 0, based on laboratory testing conducted on the Project site. Therefore, no impact associated with expansive soils will occur.
e) No Impact. The Project site is vacant and located in an area served by existing sewage infrastructure. The Project’s wastewater demand would be accommodated by connections to existing wastewater infrastructure. As such, the project would not require the use of septic tanks or alternative wastewater disposal systems. Therefore, the Project would have no impact related to the ability of soils to support septic tanks or alternative wastewater disposal systems. f) No Impact. A Paleontological Monitoring Report was prepared for the site in 2015 as a condition of approval for the approved Las Plumas residential project. No paleontological resources were encountered within the Project area during the monitoring of ground disturbing activities. Conditions have not changed, and there is no potential for paleontologic resources to now occur on the site. Therefore, the Project would have no impact on paleontological resources.

Mitigation Measures: None required.

Monitoring: None required.
7 “Paleontological Monitoring Report for the Las Plumas West Project,” prepared by Applied EarthWorks, Inc.

March 2015.

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August 2021 Initial Study/Mitigated Negative Declaration 41 VIII. GREENHOUSE GAS

EMISSIONS
Would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Generate greenhouse gas emissions,
either directly or indirectly, that may
have a significant impact on the
environment?
ü
b) Conflict with an applicable plan, policy
or regulation adopted for the purpose of
reducing the emissions of greenhouse
gases?
ü
Sources: City of Indio General Plan; Final EIR for the City of Indio 2040 General Plan Update.

Environmental Setting
Certain gases in the earth’s atmosphere, classified as greenhouse gases (GHGs), play a critical role in determining the earth’s surface temperature. Prominent GHGs contributing to the greenhouse effect are CO2, methane (CH4), nitrous oxide (N2O), and fluorinated compounds. Sources of GHGs include both natural and anthropogenic (human-caused) processes. Anthropogenic emissions of these GHGs in excess of natural ambient concentrations are responsible for intensifying the greenhouse effect and have led to a trend of unnatural warming of the earth’s climate, known as global climate change or global warming.

State laws such as Assembly Bill 32 (AB 32) and Senate Bill 32 (SB 32) require all cities to reduce greenhouse gas emissions to 1990 levels by the year 2020 and 40 percent below 1990 levels by 2030, respectively.

The City of Indio has developed a Climate Action Plan (CAP) that sets forth a series of strategies to achieve greenhouse gas reduction targets. According to the City’s CAP, Indio’s 2010 communitywide emissions baseline is 607,946 metric tons of CO2e (MTCO2e), which is equivalent to 8 MTCO2e per capita. In order to be in compliance with SB 32, the City’s General Plan would need to achieve 10.6 MTCO2e per capita. After adjusting for reduction measures set forth in the CAP, future development consistent with the General Plan would result in communitywide emissions of 528,051 MTCO2e in 2020, and 387,122MTCO2E in 2030, which represents an emission level of approximately 6.5 MTCO2E per capita in 2020, and 3.9 MTCO2e per capita in 2030. Therefore, the General Plan, including projects consistent with the General Plan, would achieve per capita thresholds for the years 2020 and 2030, as established by SB 32.
8 GHG Thresholds
On December 5, 2008, the SCAQMD formally adopted a greenhouse gas significance threshold of 10,000 MTCO2e/yr that only applies to industrial uses’ stationary sources where SCAQMD is the lead 8 Climate Action Plan, City of Indio, May 2019.

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August 2021 Initial Study/Mitigated Negative Declaration 42 agency (SCAQMD Resolution No. 08-35). This threshold was adopted based upon an October 2008 staff report and draft interim guidance document that also recommended a threshold for all projects using a tiered approach.

It was recommended by SCAQMD staff that a project’s greenhouse gas emissions would be considered significant if it could not comply with at least one of the following “tiered” tests:
• Tier 1: Is there an applicable exemption?
• Tier 2: Is the project compliant with a greenhouse gas reduction plan that is, at a minimum, consistent with the goals of AB 32?
• Tier 3: Is the project below an absolute threshold (10,000 MTCO2e/year for industrial projects; 3,000 MTCO2e/year for residential and commercial projects)? • Tier 4: Is the project below a (yet to be set) performance threshold? • Tier 5: Would the project achieve a screening level with off-site mitigation? Discussion of Impacts
a) Less Than Significant Impact. The Proposed Project will generate GHG emissions during both construction and operation. As described in Section III, Air Quality, above, the California Emissions Estimator Model (CalEEMod) Version 2020.4.0 was used to quantify air quality emission projections, including greenhouse gas emissions (Appendix A).

Construction
Construction activities will result in short-term GHG emissions associated with operation of construction equipment, employee commute, material hauling, and other ground disturbing activities. As shown in Table 4, the project will generate 1,316 CO2e metric tons during the 2- year construction period. There are currently no construction-related GHG emission thresholds for projects of this nature. To determine if construction emissions will result in a cumulatively considerable impact, buildout GHG emissions were amortized over a 30-year period and added to annual operational emissions to be compared to applicable GHG thresholds (see Table 4, below).

Operation
At buildout, there are five emission source categories that will be contributing either directly or indirectly to operational GHG emissions, including energy/electricity usage, water usage, solid waste disposal, area emissions (pavement and architectural coating off-gassing), and mobile sources. Table 4 provides a summary of the projected short-term construction and annual operational GHG generation associated with buildout of the Proposed Project.

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August 2021 Initial Study/Mitigated Negative Declaration 43 Table 4
Projected GHG Emissions Summary
(Metric Tons)
Phase CO2e (MT/YR)
Construction
2021 286.61
2022 667.38
2023 362.33
Construction Total 1,316.32
Operation
Area 5.82
Energy 382.69
Mobile 1,310.29
Waste 118.14
Water 34.99
Construction: 30-year amortized 1 43.87
Total Operational 1,895.80
Project Per Capita 3.30
Climate Action Plan Per Capita
Thresholds 10.6 / 6.5
Tier Compliance Tier 2

1. Buildout construction GHG emissions were amortized over 30- years then added to buildout operational GHG emissions. 1,316.32/30 = 43.87
Based on Indio’s average household size of 3.31 persons and 173 potential single-family residences, buildout of the Proposed Project could result in an increased population of 573 residents, resulting in a per-capita emission rate of 3.30 MTCO2e per person. The Project’s per capita GHG emissions are therefore consistent with both the City’s communitywide per capita target of 10.6 MTCO2e and the General Plan’s 6.5 MTCO2e 2020 (AB 32) per capita level analyzed in the GPU EIR. Impacts from climate change would be further reduced through adherence to local, state, regional, and federal regulations of GHG emissions.

As shown in the table above, the Proposed Project will generate lower per capita emissions compared to the per capita reduction targets set forth in the City’s Climate Action Plan.

Therefore, the Project complies with SCAQMD Tier 2 threshold, and impacts associated with the generation of greenhouse gases will be less than significant. b) Less than Significant. Buildout of the Project will result in emissions that are consistent with the communitywide per capita emissions threshold set forth in the General Plan and Climate Action Plan, as established by AB 32/SB 32. The City’s CAP and GPU support and are consistent with the CARB 2017 Climate Change Scoping Plan and SCAG’s 2020 RTP/SCS.

All components of construction and operation, including equipment, fuels, materials, and

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August 2021 Initial Study/Mitigated Negative Declaration 44 management practices, would be subject to the CAP, GPU policies, and current SCAQMD rules and regulations related to greenhouse gases, as discussed above. Based on these findings, the Proposed Project will not conflict with an applicable plan, policy or regulation with the purpose of reducing GHG emissions and impacts will be less than significant.

Mitigation Measures: None required.

Monitoring: None required.

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August 2021 Initial Study/Mitigated Negative Declaration 45 IX. HAZARDS AND HAZARDOUS

MATERIALS
Would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Create a significant hazard to the public
or the environment through the routine
transport, use, or disposal of hazardous
materials?
✓
b) Create a significant hazard to the public
or the environment through reasonably
foreseeable upset and accident
conditions involving the release of
hazardous materials into the
environment?
✓
c) Emit hazardous emissions or handle
hazardous or acutely hazardous
materials, substances, or waste within
one-quarter mile of an existing or
proposed school?
✓
d) Be located on a site which is included on
a list of hazardous materials sites
compiled pursuant to Government Code
Section 65962.5 and, as a result, would it
create a significant hazard to the public
or the environment?
✓
e) For a project located within an airport
land use plan or, where such a plan has
not been adopted, within two miles of a
public airport or public use airport,
would the project result in a safety
hazard or excessive noise for people
residing or working in the project area?
✓
f) Impair implementation of or physically
interfere with an adopted emergency
response plan or emergency evacuation
plan?
✓
g) Expose people or structures, either
directly or indirectly, to a significant risk
of loss, injury or death involving
wildland fires?
✓
Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 46 Environmental Setting
The proper management of hazardous materials is a common concern for all communities including the City of Indio. Beginning in the 1970s, governments at the federal, state, and local levels became increasingly concerned about the effects of hazardous materials on human health and the environment.

Numerous laws and regulations were developed to investigate and mitigate these effects. As a result, the storage, use, generation, transport, and disposal of hazardous materials are highly regulated by federal, state, and local laws and regulations.

Historically, the City was one of the larger farming communities in the Coachella Valley. Today, agricultural areas are mostly adjacent to residential developments north of I-10 and at the southern border of the City limits (south of Avenue 50) with some smaller acreages of active farmland scattered in the center.9 Chemical overspray within areas of active agriculture adjacent to residential neighborhoods is a potential health hazard.

The City of Indio has several businesses that manufacture, transport, store, use, and dispose of hazardous materials; therefore, the City can be affected by a major hazardous material emergency or affected by hazardous materials and waste.

There are no cleanup sites located in proximity to the Project site (Department of Toxic Substance Control, State Water Resource Control Board GeoTracker).

Discussion of Impacts
a, b) Less Than Significant Impact. The Project site was used for agriculture for several decades prior to the 2006 Las Plumas project analysis and consequentially there was some potential for residual pesticide and herbicide contamination in the soils at the time. A Phase 1 Environmental Site Assessment (ESA) was conducted as part of the 2006 project analysis and found no potentially significant presence of soil contamination because of past use, handling, storage and/or disposal of hazardous materials, or petroleum products on or near the subject property. In addition, there were no traces of hazardous chemicals such as polychlorinated biphenyls (PCB’s) on site. Overall, the 2006 analysis concluded that potential hazardous material impacts were less than significant. Because the site was previously surveyed in 2006 and has remained vacant for 15 years, there is no evidence of pesticides or other hazardous chemicals on the subject site.

The Proposed Project includes development of residential units which would involve use of limited quantities of chemicals such as household cleaning and degreasing solvents, fertilizers, pesticides, pool chemicals, and similar materials. These chemicals will be transported and stored within the Project site. These will occur in limited quantities and will not require a hazardous material handling/storage permit. None of these chemicals will be used in sufficient quantities so as to pose a threat to humans or cause a foreseeable chemical release into the environment.
9 Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 47 The construction phase of the Proposed Project would involve the use of heavy equipment, which uses small amounts of oil and fuels and other potential flammable substances. During construction, equipment would require refueling and minor maintenance on site that could lead to fuel and oil spills. The contractor will be required to identify a staging area for storing materials and will be subject to State law relating to the handling, storage and use of hazardous materials during construction. These requirements of law assure that impacts associated with hazardous chemical use during construction remain less than significant.

The Proposed Project would not result in a significant risk of explosion or accidental release of hazardous substances, because the cleaners and household chemicals used are not explosive and will not be stored in large quantities. The use and handling of hazardous materials during construction activities and long-term operation of the proposed project would occur in accordance with applicable Federal, State, and local laws including California Occupational Health and Safety Administration (CalOSHA) requirements. Impacts would be less than significant.
c) No Impact. The nearest school to the Project site is the Martin Van Buren Elementary School, located 1.2 miles to the northeast. The Proposed Project will result in the development of residential units, which are not expected to emit any hazardous emissions or handle hazardous or acutely hazardous materials, substances, or waste to jeopardize schools. No impact is expected.
d) No Impact. The Project site is currently vacant. There are no hazardous materials or waste sites located on or near the site, and the site is not included on a list compiled pursuant to Government Code Section 65962.5. The Proposed Project will not create a significant hazard to the public or environment. No impact is anticipated. e) No Impact. The Jacqueline Cochran Regional Airport (KTRM) is located approximately 4.5 miles southeast of the subject property. The Project site is located well outside the airport planning boundary and operational and navigational hazard area. Therefore, the Proposed Project would not result in a safety hazard or excessive noise for people residing or working at the Project site. No impact is anticipated.
f) No Impact. The Proposed Project is located on Jackson Street between Avenue 48 and Avenue

50. All three roadways in the Project vicinity are designated as “Boulevards” in the City’s Mobility Element.10 Avenue 49 is not a General Plan designated roadway, and is considered a local street. The Proposed Project will take access from three driveways; two from Avenue 49 and one from Jackson Street. The Project’s primary access will be from Avenue 49. Major roadways near the Project site would also be used as regional emergency evacuation routes to and from the City. The Project access points will not alter the existing circulation pattern in the Project area or adversely impact evacuation plans.
10 Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 48 The Fire and Police Departments will review the proposed parking and circulation plan for the Project to assure that driveways and roads are adequate for emergency vehicles. In addition, construction traffic management plans will be required to assure that the Proposed Project will not interfere with an adopted emergency response plan or emergency evacuation plan. No Project-related impact is expected.
h) No Impact. The Project site is located in an urban area and is not located in a wildland fire hazard zone and is not susceptible to wildfires. Therefore, the Proposed Project will not expose people or structures to significant risks associated with wildfires. No project related impact is expected.

Mitigation Measure: None required.

Monitoring: None required.

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August 2021 Initial Study/Mitigated Negative Declaration 49 X. HYDROLOGY AND WATER

QUALITY
Would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No Impact
a) Violate any water quality standards or
waste discharge requirements or
otherwise substantially degrade surface
or ground water quality?
✓
b) Substantially decrease groundwater
supplies or interfere substantially with
groundwater recharge such that the
project may impede sustainable
groundwater management of the basin?
✓
c) Substantially alter the existing drainage
pattern of the site or area, including
through the alteration of the course of a
stream or river or through the addition of
impervious surfaces, in a manner which
would:
✓
i) result in substantial erosion or siltation
on- or off-site; ✓
ii) substantially increase the rate or amount
of surface runoff in a manner which
would result in flooding on- or off-site;
✓
iii) create or contribute runoff water which
would exceed the capacity of existing or
planned stormwater drainage systems or
provide substantial additional sources of
polluted runoff; or
✓
iv) impede or redirect flood flows? ✓
d) In flood hazard, tsunami, or seiche
zones, risk release of pollutants due to
project inundation?
✓
e) Conflict with or obstruct implementation
of a water quality control plan or
sustainable groundwater management
plan?
✓
Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update. “Preliminary Hydrology and Drainage Report Tract No. 38072,” prepared by HEITEC, April 16, 2021.

Environmental Setting
Domestic Water
The project site is located within the Indio Water Authority (IWA) service area for domestic water.

IWA's primary sources of water supply include groundwater produced by local potable water supply

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August 2021 Initial Study/Mitigated Negative Declaration 50 wells. Water supplies for the City of Indio are primarily from the lower aquifer in the Lower Whitewater River Subbasin. Because the Whitewater River Basin is an un-adjudicated basin, IWA does not hold specific water rights, but rather pumps supplies from the aquifer as needed to meet demands within its service area. IWA currently has 20 operational supply wells. Pumping capacities for these wells range from 1,200 gpm to 3,500 gpm, with a total pumping capacity of 74,600 AFY.11 Its average baseline water demand in 2015 was 18,208 AFY.

Water Quality
The City, including the Project site, is located within the Coachella Valley where the water quality is generally good to excellent. The extensive use of septic systems in Indio and elsewhere in the Coachella Valley historically has impacted water resources, but nitrate levels in Indio meet or exceed current standards, and water quality in the City has not been impacted by septic systems. 12 Wastewater Treatment Provider and City’s Sewer System The Project site is located in an area where sewer service is provided by the Valley Sanitary District (VSD). The project will extend on-site sewer lines from the site to connect to the existing sewer lines under Jackson Street.

VSD provides wastewater collection and treatment services for the City of Indio and the majority of IWA areas. The collection system for VSD consists of approximately 240 miles of sanitary sewer pipes and 4 pump stations.13 Currently, VSD discharges treated wastewater to the Coachella Valley Stormwater Channel and provides a small amount of treated wastewater for on-site irrigation and agricultural irrigation for local tribes. IWA is currently pursuing opportunities with VSD to provide recycled water to golf courses and parks from VSD’s plant in the future. VSD currently treats approximately 6.5 million gallons per day through an activated sludge process, and has a capacity of

9.5 million gallons per day. An additional 0.5 million gallons per day is treated through oxidation ponds, which have a capacity of 2.5 million gallons per day.

Floodplain Management
In the City of Indio, local drainage facilities generally convey runoff from local streets and lots to the regional facilities. The local storm drain system consists of gutters, engineered storm drains, and channels. There are limited existing storm drainage facilities in the City. Regional drainage is managed by the Coachella Valley Water District, which maintains the Coachella Valley Stormwater Channel.

Discussion of Impacts
a) Less Than Significant Impact. The Proposed Project site is located in the Whitewater River watershed which drains into the Salton Sea and is part of the larger Colorado River Watershed.14 All water providers in the watershed are required to comply with Regional Water Quality Control Board standards for the protection of water quality, including the preparation of site-specific Water Quality Management Plans for surface waters. 11 IWA’s 2015 Urban Water Management Plan – Final Report. 12 Ibid. 13 Valley Sanitary District Website – Recycling Waste Water into Safe Water. 14 Indio General Plan – Chapter 8 (Conservation Element, Page 8-9)

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August 2021 Initial Study/Mitigated Negative Declaration 51 The Proposed Project will generate demand for domestic water and wastewater, which will be governed by both IWA and VSD standard requirements. Construction of on-site connections will be subject to all IWA and VSD requirements. The Proposed Project will not violate water quality standards or waste discharge requirements.

The Proposed Project will be required to comply with VSD and National Pollutant Discharge Elimination System (NPDES) regulations to minimize the pollutant load associated with urban activities. Meeting those standards requires the preparation and approval of a WQMP and Storm Water Pollution Prevention Plan (SWPPP), both of which must be approved by the City prior to the initiation of construction activities. Both plans will include Best Management Practices that will protect surface waters from pollutants in storm flows during both construction and long term operation of the Project. The imposition of conditions of approval and adherence to local, state and federal requirements will assure that impacts associated with water quality standards are less than significant.
b) Less Than Significant Impact. The Proposed Project will require water for domestic use and landscape irrigation. The American Water Works Association Research Foundation (AWWARF) has developed demand factors for land use categories including residential uses.

In addition, IWA has developed demand factors for broad land use categories, including landscaping irrigation.15 For analysis purposes of the Proposed Project, it was assumed that the retention basins would be landscaped. As shown in the table below, buildout of the Proposed Project has the potential to generate a demand of 26.09 acre-feet of domestic water per year.

Table 5
Water Demand at the Project Buildout
Proposed
Land Use Max/Min Allowed
Water
Consumption
Factor
Water
Demand
(gpd)
Total Water
Demand At
buildout (AFY)
Multi-Family
Residential 173 DU 117.7-gallons per unit per day 20,362.1 gpd 22.80 Landscaping

2.27 acres
(Landscaped lots and
retention basins)

1.45-acre feet per
acre per year --- 3.29
TOTAL 26.09
The City of Indio’s largest water supply source is groundwater from the Whitewater River Basin. IWA works with CVWD to manage the underground water basins and to better serve the City. IWA and CVWD have access to or are working to obtain other water supply sources to meet projected water needs and help eliminate groundwater overdraft. The Proposed Project is consistent with the land use designation assigned to it in the General Plan, on which, in part, the IWA based its future water demand analysis when preparing its Urban Water Management Plan. The Proposed Project will increase water demand by 0.14% over 2015 baseline demand.

The Proposed Project will also be subject to State water reduction requirements during the current drought conditions, should they be imposed. Therefore, Project impacts associated with domestic water demand are expected to be less than significant. 15 Supplemental Water Supply Program and Fee Study for the City of Coachella, prepared by TKE Engineering, Inc. in 2016.

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August 2021 Initial Study/Mitigated Negative Declaration 52 The project will connect to existing water lines beneath Jackson Street. No new wells or additional water infrastructure are proposed.

The project will be required to comply with the IWA’s water-efficiency requirements, including the use of drought-tolerant planting materials and limited landscaping irrigation.

Implementation of these and other applicable requirements will assure that water-related impacts remain at less than significant levels.
c) Less Than Significant.

Existing Drainage
The Project site was graded in 2015, is relatively flat and contains no rivers or streams. The existing drainage naturally drains easterly towards a large berm along the property line. The surrounding properties drain away from the project.

Proposed Drainage System
Development of the Proposed Project will increase impermeable surfaces on-site, and therefore increase on-site storm flows. However, the entire volume from the 100-year storm will be stored onsite in four retention basins located throughout the project as required by the City of Indio per Section 3.5.1.2 of the Whitewater Region Water Quality Management Plan Guidance Document. In the event of an emergency overflow, the site is designed for each basin to back up into the street until they spill over a local highpoint. The adjacent pads are elevated at least one foot above this highpoint to ensure that no homes are flooded. If all the interior basins were to overflow, the runoff is conveyed to the emergency outlet on Avenue 49. A final hydrologic analysis will be required to demonstrate that the Project meets the City’s standards.

These standard requirements will assure that impacts associated with storm water retention remain less than significant.

The City will require implementation of BMPs to reduce pollutants of concern that may enter nearby receiving retention basins and help reduce short and long-term water quality impacts caused by the construction and operation of the Proposed Project. Through the implementation of BMPs and onsite retention for the proposed condition, no significant impact to downstream water bodies is anticipated.

Approval of the WQMP, SWPPP, and the required BMPs will reduce impacts to surface waters by reducing siltation and eliminating pollutants in storm flows. With the implementation of this standard requirement, the impacts associated with surface water pollution will be less than significant.

Erosion and On- or Off-site Siltation
Adherence to City requirements, including WQMP best management practices, will ensure the project site design will not result in erosion or siltation on- or off-site. The City’s requirements include BMPs for the control of silts in flood waters, which will be applicable to the Proposed Project.

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August 2021 Initial Study/Mitigated Negative Declaration 53 Summary
The Proposed Project will be required to comply with the City’s storm water retention requirements, including the approval of a project-specific final hydrology study and water quality management plan prior to the issuance of building permits. Implementation of these and other applicable requirements will assure that the project will not create or contribute water which would exceed the capacity of existing or planned stormwater drainage systems or provide substantial additional sources of polluted runoff. d) Less than Significant Impact. The Proposed Project site is not located in the vicinity of a water body. No hazard from dam failure, tsunami or seiche is possible. The La Quinta Evacuation Channel runs approximately 3 miles northwest of the site and joins the Coachella Valley Stormwater Channel north of the site. During a substantial storm event, there is a low potential of inundation if the channels were to breach given the distance of the site from the channels. However, channel capacity is designed to accommodate a storm larger than a 100- year storm, and the risk for over-topping is therefore very low. No impact is anticipated. e) No Impact. The Proposed Project will be required to comply with all applicable water quality standards and will implement a WQMP approved by the City of Indio and the Regional Water Quality Control Board for both construction activities and long-term operation of the site. Also, the project’s expected water demand will be less than one percent of IWA’s groundwater supplies, meaning impacts to a groundwater management plan will be negligible. Adherence to the City’s standard requirements related to water quality will ensure there will be no impact to a water quality control plan.

Mitigation Measures: None required.

Monitoring: None required.

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August 2021 Initial Study/Mitigated Negative Declaration 54 XI. LAND USE AND PLANNING
Would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Physically divide an established
community? ✓
b) Cause a significant environmental
impact due to a conflict with any land
use plan, policy, or regulation adopted
for the purpose of avoiding or mitigating
an environmental effect?
✓
Sources: Sources: City of Indio General Plan (Final– September 2019); Final EIR for the City of Indio 2040 General Plan Update. City’s Zoning Map, City’s Land Use Map.

Environmental Setting
The project site is governed by the policies and land use designations of the Indio General Plan and Zoning Ordinance. The site is designated Suburban Neighborhood in the 2040 General Plan Update Land Use Map, and Residential-Medium on the City’s Zoning Map. The surrounding area is comprised of residential, agricultural, commercial, and vacant land uses. The City of Indio participates in the Coachella Valley Multiple Species Habitat Conservation Plan (CVMSHCP), as discussed above under Biological Resources. The project would not impact Land Use and Planning, as discussed below. a) No Impact. The Project site is currently vacant and is in an area that is predominantly developed with residential uses. These developments operate independently of the subject property and will not be physically divided by the Proposed Project. No impact is anticipated. b) No Impact. The subject site is designated as Suburban Neighborhood and Residential-Medium in the City’s General Plan Land Use and Zoning Maps, respectively. Both designations allow for medium-density residential uses and therefore the Project is considered consistent with existing zoning and land use plans and supports the General Plan’s policies regarding compatible use, size and scale.

Therefore, the Proposed Project will be consistent with adopted plans and programs and impacts to land use policy are expected to be less than significant.

Mitigation Measures: None required.

Monitoring: None required.

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August 2021 Initial Study/Mitigated Negative Declaration 55 XII. MINERAL RESOURCES
Would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Result in the loss of availability of a
known mineral resource that would be
of value to the region and the residents
of the state?
✓
b) Result in the loss of availability of a
locally important mineral resource
recovery site delineated on a local
general plan, specific plan or other land
use plan?
✓
Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update.

Environmental Setting
The City’s important mineral resources include sand and gravel (known as aggregate). Sand and gravel are an important component of asphalt, concrete, road base, stucco and plaster, such that 80 percent to 100 percent of these materials can be comprised of aggregate. The City’s aggregate mineral resources (sand and gravel) provide necessary materials for the local economy. Mining generally occurs north of the City, in its Sphere of Influence.

The majority of City lands have been classified as Mineral Zone MRZ-1 “Areas where available geologic information indicates that little likelihood exists for the presence of significant mineral resources.”
Discussion of Impacts
a, b) No Impact. There are no permitted mining operations in the vicinity of the project site, nor does this area of the City lend itself to mining activities, as described in the General Plan. The project site is located in an urbanized area designated for mixed use development and is not zoned for mineral resource extraction. No impact is expected.

Mitigation Measures: None required.

Monitoring: None required.

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August 2021 Initial Study/Mitigated Negative Declaration 56 XIII. NOISE
Would the project result in:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Generation of a substantial temporary
or permanent increase in ambient noise
levels in the vicinity of the project in
excess of standards established in the
local general plan or noise ordinance, or
applicable standards of other agencies?
✓
b) Generation of excessive groundborne
vibration or groundborne noise levels? ✓
c) For a project located within the vicinity
of a private airstrip or an airport land
use plan or, where such a plan has not
been adopted, within two miles of a
public airport or public use airport,
would the project expose people
residing or working in the project area
to excessive noise levels?
✓
Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update.

Environmental Setting
The main sources of noise in an urban environment include road traffic, aircraft, railroads, construction, industry, noise in buildings, and consumer products. According to the United States Environmental Protection Agency (US EPA), in any city, the main sources of traffic noise are the motors and exhaust systems of autos, trucks, buses, and motorcycles. Temporary noise sources include landscape maintenance activities, home stereo systems, and barking dogs, and are governed by the provisions of the City Noise Ordinance and Municipal Code.

The City of Indio has established goals, policies, and programs to limit and reduce the effects of noise intrusion on sensitive land uses and to set acceptable noise levels for varying types of land uses.

The Project site is located in an area which has well-connected and developed roadways. Currently, Jackson Street is improved with six vehicle lanes, and an existing curb. Noise levels on Jackson Street can be expected to range between 65 and 70 CNEL at 212 and 98 feet from centerline, which is greater than what would be typical of local streets.

As part of the development of the Noise Element of the General Plan, noise level measurements were collected at various locations throughout the City to set standards for normally acceptable, conditionally acceptable, and clearly unacceptable noise levels. Based on the future roadway noise contours, noise levels at the subject site are projected to be between 65 and 70 CNEL on Jackson Street.16 Per the City of Indio General Plan, noise levels of up to 65 dBA CNEL are “acceptable” and levels up to 75 dBA CNEL are “conditionally acceptable” for single‐family residential uses. 16 Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 57 Discussion of Impacts
a) Less Than Significant Impact. The subject property is currently vacant and undeveloped. The main noise source in the area is vehicular traffic on Jackson Street. The surrounding area mainly consists of residential development and vacant lands. The nearest sensitive receptor are single-family residences located immediately north, west, and south of the Project site.

Impacts of the Proposed Project on Surrounding Development Construction Noise: Buildout of the Proposed Project will result in a 173 single family residential development. Construction activities on the site will occur over an anticipated 2- year period and will comply with the City’s Municipal Code Section § 95C.08 which limits construction times and days as follows:

Pacific Standard Time.
(a) Monday through Friday, 7:00 a.m. through 6:00 p.m.
(b) Saturday, 8:00 a.m. through 6:00 p.m.
(c) Sunday, 9:00 a.m. through 5:00 p.m.
(d) Government Holidays, 9:00 a.m. through 5:00 p.m.

Pacific Daylight Time.
(a) Monday through Friday, 6:00 a.m. through 6:00 p.m.
(b) Saturday, 7:00 a.m. through 6:00 p.m.
(c) Sunday, 9:00 a.m. through 5:00 p.m.
(d) Government Holidays, 9:00 a.m. through 5:00 p.m.

Construction activities could generate temporary and periodic elevated noise levels associated with heavy equipment. The US Environmental Protection Agency (USEPA) has compiled data regarding the noise-generating characteristics of specific types of construction equipment and typical construction activities. The data and construction equipment selected for this analysis, as shown below, are common types of equipment that can be expected to occur at the project site. According to this table, the maximum noise level can reach up to 98 dB(A) at 50 feet.

These noise levels would diminish rapidly with distance from the construction site at a rate of approximately 6 dB(A) per doubling of distance. For example, a noise level of 98 dB(A) Leq measured at 50 feet from the noise source to the receptor would reduce to 92 dB(A) Leq at 100 feet from the source to the receptor and reduce by another 6 dB(A) Leq to 86 dB(A) Leq at 200 feet from the source to the receptor. It is also important to note that these noise sources are mobile, and that sustained noise levels will not occur at any one location during the construction process, but rather be moving across the site as the equipment moves.

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August 2021 Initial Study/Mitigated Negative Declaration 58 Table 6
Construction Equipment Noise Levels
Construction Equipment Noise Level in dB(A) Leq
at 50 Feet
Front Loader 73-86
Truck 82-95
Saw 72-82
Jackhammer 81-98
Pump 68-72
Generator 71-83
Compressor 75-87
Concrete Mixer 75-88
Back Hoe 73-95
Tractor 77-98
Scraper/Grader 80-93
Paver 85-88
Source: US Environmental Protection Agency, Noise from Construction Equipment and Operations, Building Equipment and Home Appliances, EPA-68-04-0047 (1971).

Noise generating construction activities would include site preparation, excavation, grading, and the construction and finishing of the proposed homes. Noise levels surrounding the Project site could be elevated for short periods of time, as equipment moves through the site. These noise levels would be limited to the less sensitive daytime hours and would cease once building construction concludes. Compliance with the City’s noise ordinance exempts construction activities from noise infractions, because of their temporary nature. Therefore, impacts associated with construction noise on the Project site would be less than significant.

Operation Noise: At buildout, principal Project-related noise sources will include vehicular traffic accessing the site, grounds maintenance equipment, and heating, ventilation, and air conditioning (HVAC) units. Per the City of Indio General Plan, noise levels of up to 65 dBA CNEL are “acceptable” and levels up to 75 dBA CNEL are “conditionally acceptable” for single-family residential uses. The Project is consistent with the General Plan designation for the site, and traffic levels are not expected to substantially increase beyond that forecast in the General Plan at build out. As previously discussed, noise levels on Jackson Street can be expected to range between 65 and 70 CNEL which is greater than what would be typical of local streets. According to the TTM, proposed single family residences nearest to Jackson Street are more than 270 feet from the centerline. As determined in the GPU EIR, the distance from centerline to the 65 dBA CNEL noise contour is 212 feet. Therefore, the closest residences will experience noise levels within the City’s Acceptable levels for single-family residential uses.

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August 2021 Initial Study/Mitigated Negative Declaration 59 Noise generated by the occupants is expected to be consistent with the existing surrounding residential land uses, and will not impact the existing single family developments on the north and south of the site, or the scattered residences to the west. Development of the Proposed Project is consistent with both the General Plan designation for the site and surrounding land uses and will not result in unacceptably high noise levels. b) Less Than Significant Impact. Groundborne vibration would produce groundborne noise, which is a rumbling sound. During construction of the Proposed Project, ground-borne vibration and/or ground-borne noise would be generated, which could be felt by adjacent land uses. Construction activity can result in varying degrees of ground vibration, depending on the equipment and methods used, distance to the affected structures and soil type.

It is expected that ground-borne vibration from project construction activities would cause only intermittent, localized intrusion due to heavy construction equipment and trucks. The Municipal Code exempts construction activities from short-term, short-duration noise standards when they are conducted during permitted time frames. The City will require that construction activity comply with Section § 95C.08 of the Municipal Code17, which limits construction activity to the less sensitive daylight hours. These requirements will reduce impacts to less sensitive daytime hours and assure that short-term ground-borne impacts will be less than significant. Long-term operation of the project is not expected to generate groundborne vibrations or noise. Impacts will be less than significant. c) No impact. The Jacqueline Cochran Regional Airport is located approximately 4.5 miles southeast of the subject property. Its noise contours are localized, and do not extend to the vicinity of the proposed project site. No impacts will occur.

Mitigation Measures: None required.

Monitoring: None required.
17 City’s Municipal Code Chapter 95c: Noise Control.

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August 2021 Initial Study/Mitigated Negative Declaration 60 XIV. POPULATION AND HOUSING
Would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Induce substantial unplanned population
growth in an area, either directly (for
example, by proposing new homes and
businesses) or indirectly (for example,
through extension of roads or other
infrastructure)?
✓
b) Displace substantial numbers of existing
people or housing, necessitating the
construction of replacement housing
elsewhere?
✓
Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update.

Environmental Setting
The project site is located in the City of Indio, which has a current population of approximately 91,621 persons18, which is expected to grow to 123,300 in 2045.19 Currently, the City is composed of a mix of single-family, multi-family, and mobile homes development, but the majority (71.9%) of housing units are single-family homes.20
Discussion of Impacts
a) Less Than Significant Impact. Based on an average household size of 3.31 persons, implementation of the Proposed Project (173 units) could result in an increased population of up to 573 people. This represents 0.46% of the City’s anticipated 2045 population of 123,300, which would have a less than significant impact on the overall population of the area.

The site is currently vacant and graded. The Proposed Project occurs on the City’s existing street grid, and will tie into existing utility systems. Since existing streets, utilities and public facilities are located adjacent to the project site, the project will not result in the construction or expansion of new infrastructure. Overall, less than significant impacts are anticipated. b) No Impact. The subject property is vacant, and the Proposed Project would not displace any existing housing or require replacement housing elsewhere. No impact will occur.

Mitigation Measures: None required.

Monitoring: None required.
18 Table E-5 Population and Housing Estimates for Cities, Counties, and the State from 2011-2021 with 2010 Census Benchmark, Department of Finance, 2021. 19 2020-2045 RTPSCS Demographics and Growth Forecast by Southern California Association of Governments. 20 Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 61 XV. PUBLIC SERVICES
Would the project result in:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Would the Project result in substantial
adverse physical impacts associated with the
provision of new or physically altered
governmental facilities, need for new or
physically altered governmental facilities,
the construction of which could cause
significant environmental impacts, in order
to maintain acceptable service ratios,
response times or other performance
objectives for any of the public services:
a) Fire protection? ✓
b) Police protection? ✓
c) Schools? ✓
d) Parks? ✓
e) Other public facilities? ✓
Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update.

Environmental Setting
Fire Protection
Fire protection and emergency medical services to the City of Indio are provided by the Indio Fire Department.21 The nearest fire station is Fire Station #1, located at 46990 Jackson Street, approximately 1 mile north of the subject site. The station is staffed by 28 firefighters, who operate a paramedic fire engine, one paramedic ladder truck and one paramedic ambulance. The national standard for fire services is one firefighter per 1,000 City residents.

Police Protection
Police protection services are provided by the Indio Police Department. The Indio Police Station is located at 46-800 Jackson Street, approximately 1 mile north of the subject site. The police department has various crime programs including a Citizens Online Police reporting system, a police K-9 program, police dispatch, community outreach, and neighborhood watch programs. Response times are approximately 5 minutes within the 5 beat system.

Schools
Indio receives educational services from two K-12 school districts (Desert Sands Unified School District (DSUSD) and Coachella Valley Unified School District (CVUSD)) and one community college district. The Proposed Project is located within the CVUSD boundaries.22 21 Final EIR for the City of Indio 2040 General Plan Update. 22 Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 62 Parks
The City has dedicated approximately 1,926 acres of land for the open space/recreation/horse facilities.

The nearest Indio Park to the project site is Dr. Carreon Park located at 82200 Dr. Carreon Boulevard, approximately 1.3 miles northwest of the site. Rancho Las Flores Park is located 1 mile east of the Project site, in the City of Coachella.

The Proposed Project will have limited impact on Public Services, as discussed below.

Discussion of Impacts
a) Less Than Significant Impact. The Proposed Project will increase the demand for fire services in the City due to permanent residential uses, resulting in a slight population increase.

The project proponent will be required to pay the City’s development impact fees for fire facilities and apparatus. This fee is designed to allow new development to pay its fair share of future facilities.

In accordance with standard City practices, the Fire Department will review project plans before permits are issued to ensure compliance with all applicable fire and building code standards and to ensure that adequate fire and life safety measures are incorporated into the project in compliance with all applicable state and city fire safety regulations. Emergency access will be provided to the site via the existing public roadway network, and a continuous roadways through the site will provide access to all structures.

Because the Proposed Project would be required to comply with City standards and the Proposed Project is not anticipated to generate substantial additional demand for fire protection services, and would not result in the need for new or expanded facilities, the project’s potential impact on fire protection services would be less than significant. b) Less Than Significant Impact. The ultimate development of the site will result in a marginal increase in demand for police services. Police personnel will be able to regionally access the site using Jackson Street, Avenue 48, and avenue 50, and locally access via both Avenue 49 and Jackson. The Project will be required to comply with all Police Department regulations and procedures. No construction of new or expanded police services or facilities are required for the Proposed Project. Impacts will be less than significant. c) Less Than Significant Impact. The Proposed Project will result in the development of 173 single-family residential units. Based on CVUSD student generation rates, shown below, the Project has the potential to generate approximately 134 kindergarten through twelfth grade students.

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August 2021 Initial Study/Mitigated Negative Declaration 63 Table 7
Project Student Generation
School Type Generation Rate
(per residential unit)
Project’s Student
Generation
Elementary School 0.4351 76
Middle School 0.1247 22
High School 0.2065 36
Total: 134
Source: Coachella Valley Unified School District Fee Justification Study for New Residential and Commercial/Industrial Development, September 7, 2018.

The Proposed Project will be subject to the CVUSD developer fees in place at the time development occurs, which currently stand at $3.79 per square foot of residential.23 Payment of the developer fee, which is designed to pay for additional school facilities based on growth, would mitigate potential significant impacts to school resources to less than significant levels. d, e) Less Than Significant Impact. The project’s increase in permanent population has the potential to increase the use of existing local or regional parks and other public facilities. The development proposes onsite park and open spaces that would aid in offsetting the impact to the city’s existing park facilities. In addition, the project will be required to pay the development impact fee for parks imposed on all new development in the City. The development of the Project will have minimal impact on other public facilities, given its size and the small increase in population which it will generate.

Overall, project build out is expected to marginally impact local and/or regional parks and other public facilities. No additional public facilities are required for the Proposed Project.

Increase in demand for the city’s existing facilities will be less than significant.

Mitigation Measures: None required.

Monitoring: None required.
23 School Impact/Developer Fees, Desert Sands Unified School District, effective 8/11/18.

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August 2021 Initial Study/Mitigated Negative Declaration 64 XVI. RECREATION
Would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Would the Project increase the use of
existing neighborhood and regional
parks or other recreational facilities
such that substantial physical
deterioration of the facility would occur
or be accelerated?
✓
b) Does the Project include recreational
facilities or require the construction or
expansion of recreational facilities
which might have an adverse physical
effect on the environment?
✓
Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update.

Environmental Setting
The City owns and maintains 107 acres of public parks, community centers, and a municipal golf course. The City is located in the Desert Recreation District (DRD), which covers over 1,800 square miles from Rancho Mirage east to the Salton Sea, and provides recreational services to more than 380,000 residents throughout the Coachella Valley. DRD is responsible for over 30 recreational facilities that include community and fitness centers, sports fields, swimming pools, a golf course and driving range, and various parks and open spaces.

Discussion of Impacts
a, b) Less Than Significant Impact. At buildout, the Proposed Project will result in an estimated population of 573 residents. The Proposed Project will include onsite recreational amenities in the form of open space common areas, as required in the Zoning Ordinance for residential projects. Residents can be expected to utilize onsite recreational amenities as well as local and regional recreational facilities. The proposed development will not induce substantial population growth that will result in significant impacts to existing neighborhood and regional parks or other recreational facilities. Less than significant impacts are anticipated.

Mitigation Measures: None required.

Monitoring: None required.

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August 2021 Initial Study/Mitigated Negative Declaration 65 XVII. TRANSPORTATION
Would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Conflict with a program, plan,
ordinance or policy addressing the
circulation system, including transit,
roadway, bicycle and pedestrian
facilities?
✓
b) Would the project conflict or be
inconsistent with CEQA Guidelines
section 15064.3, subdivision (b)?
✓
c) Substantially increase hazards due to a
geometric design feature (e.g., sharp
curves or dangerous intersections) or
incompatible uses (e.g., farm
equipment)?
✓
d) Result in inadequate emergency
access? ✓
Sources: City of Indio General Plan; Final EIR for the City of Indio 2040 General Plan Update; “ Tentative Tract 38072 Traffic Analysis,” Urban Crossroads, July 30, 2021
Environmental Setting
In the City of Indio, the circulation system consists of roadways, freeways, bus lines, sidewalks, and bike lanes. The different modes of transportation include vehicular travel, public transit, walking, bicycling, and golf carts.

All roadways in the City are classified into various roadway types based on number of lanes and other facilities, including bicycle lanes, sidewalks and parkways. The City’s acceptable Level of Service (LOS) for both roadway segments and intersection operations in LOS D or better. All area roadways and intersections currently operate at LOS D or better. The Project site is vacant and undeveloped.

Existing roadways in the vicinity of the project site include Jackson Street, Avenue 48 and Avenue

50. Urban Crossroads prepared a traffic impact analysis for the Proposed Project in 2021 (Appendix B).

Based on consultation with the City’s Traffic Engineer, and the approval of a scoping agreement, the traffic impact analysis considered 8 area intersections, and the potential impacts the Project could have on those intersections, as shown in Table 8. The Project trip generation rates are based on Institute of Transportation Engineers, Trip Generation Manual, 10th Edition, 2017. Land Use Code No. 210 (single-family detached) was used for the project trip generation analysis to describe the Proposed Project. The opening year for the Proposed Project was assumed to be 2023.

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August 2021 Initial Study/Mitigated Negative Declaration 66 Table 8
Intersection Analysis Locations
ID Intersection Location
1 Jackson Street / Dr. Carreon Boulevard
2 Jackson Street / Avenue 48
3 Jackson Street / Odlum Drive
4 Jackson Street / Avenue 50
5 Jackson Street / Plume Feather Drive (future Project access) 6 Heron Place / Avenue 49 (future Project access)
7 Camino Rosarito / Avenue 49 (future intersection)
8 Song Sparrow Place / Avenue 49 (future Project access) Discussion of Impacts
a) Less Than Significant Impact with Mitigation Incorporated.

Existing Traffic Conditions in the Project Vicinity
The Project site is currently vacant and generates no traffic. The surrounding main roads include Jackson Street, Avenue 48, and Avenue 50. For Existing (2021) traffic conditions the study area signalized intersections are anticipated to operate at an acceptable level of service (LOS “D” or better) with the exception of Jackson Street/Avenue 50 (#4). At the two unsignalized intersections (#3‐ Jackson St./Odlum Dr. & #4‐ Jackson St./Avenue 50), traffic signals are currently warranted under existing conditions. The existing conditions analysis forms the baseline from which the Project’s impacts are derived.

Project Trip Generation
The Proposed Project will result in the development of 173 single family housing units. The Project is forecast to generate approximately 1,633 daily trips, including 128 trips during the AM peak hour and 171 trips during the PM peak hour.

Table 9
Project Trip Generation Summary
Trip Generation Rates
Land Use ITE Code Unit
AM Peak Hour PM Peak Hour
Daily % In % Out Total %
In % Out Total
Single Family Detached 210 DU 0.19 0.55 0.74 0.62 0.37 0.99 9.44 Trips Generated
Land Use Quantity Unit AM Peak Hour PM Peak Hour Daily In Out Total In Out Total Single Family Detached 210 DU 33 95 128 107 64 171 1,633 Trip Generation Source: Institute of Transportation Engineers (ITE), Trip Generation Manual, 10th Edition (2017).

DU = Dwelling Units

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August 2021 Initial Study/Mitigated Negative Declaration 67 Traffic Analysis
Per City requirements, the following five scenarios were analyzed during the weekday AM and PM peak hours:
• Existing Conditions (2021)
• Existing Plus Ambient Plus Project (EAP) (2023)
• Existing Plus Ambient Plus Project Plus Cumulative (EAPC) (2023) • General Plan Buildout (2040) Without Project
• General Plan Buildout (2040) With Project
The City’s standards provide that a traffic impact is significant if LOS degraded below LOS D because of the Proposed Project, or if it caused an intersection already at LOS E to degrade to LOS F. At intersections, an increase in delay of 2 seconds or more at existing LOS E intersections, or 1 second or more at LOS F intersections caused by the Project would also be considered a significant impact.

Existing Conditions
All study roadway segments are currently (2021) operating at an acceptable LOS. Two unsignalized intersections (#3‐ Jackson St./Odlum Dr. & #4 - Jackson St./Avenue 50) currently warrant traffic signals under existing conditions.

EAP and EAPC Conditions (2023)
All study roadway segments will operate at an acceptable LOS under EAP and EAPC conditions, assuming the installation of currently warranted traffic signals at Jackson St./Odlum Dr. and at Jackson St./Avenue 50. Under EAPC conditions, which include the addition of known cumulative projects proposed but not yet constructed in the City, operational LOS will be at acceptable levels, with improvements, as shown in Table 10.

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August 2021 Initial Study/Mitigated Negative Declaration 68 Table 10
Intersection Analysis, EAPC (2023)
# Intersection
Traffic
Control3
Intersection Approach Lanes1 Delay2
(Secs)
Level of
Service North 2 -
bound
SouthboundEastboundWestbound

L T R L T R L T R L T R AM PM AM PM
1 Jackson St. / Dr. Carreon Bl. TS 1 2 0 1 2 0 1 2 0 1 2 0 25.4 26.6 C C 2 Jackson St. / Avenue 48 TS 2 2 0 2 2 0 1 2 1 1 3 0 32.9 36.0 C D 3 Jackson St. / Odlum Dr. ‐ Ave. 49
‐ With Cross‐Street Stop
‐ With Traffic Signal
CSS
TS
1*
1 1
1 0
0 1*
1 2
2 1
1 0.5

0.5 0.5

0.5 d
d
0 0
1!
1!
0 0
>80

10.2 >80

8.5 F
B
F
A
4 Jackson St. / Avenue 50
‐ With Improvements
AWS
TS
1 1
1 1
0 0
1 1
2 2
0 0
1 1
1 1
1 1
1 1
1 1
0 0
>80

37.3 >80

37.2 F
D
F
D
5 Jackson St. / Plume Feather Dr. CSS 0 1 0 1* 2 0 0 0 0 0 1! 0 14.0 15.2 B C 6 Heron Pl. / Avenue 49 CSS 0 1! 0 0 0 0 0 1 0 0 1 0 9.1 9.3 A A 7 Camino Rosarito / Avenue 49 CSS 0 1! 0 0 0 0 0 1 0 0 1 0 8.6 8.6 A A 8 Song Sparrow Pl. / Avenue 49 CSS 0 0 0 0 1! 0 0 1 0 0 1 0 8.7 8.7 A A 1 When a right turn is designated, the lane can either be striped or unstriped. To function as a right turn lane there must be sufficient width for right turning vehicles to travel outside the through lanes.

L = Left; T = Through; R = Right; d = Defacto Right Turn Lane; * = Left‐Turn accommodated within two‐way left turn lane (TWLTL) striped median;

0.5 = Shared Lane; 1! = Shared Left/Through/Right Lane; 1 = Improvement 2 Per the Highway Capacity Manual 6th Edition (HCM6), overall average intersection delay and level ofservice are shown for intersections with a traffic signal or all way stop control. For intersections with cross street stop control, the delay and level of service for the worst individual movement (or movements sharing a single lane) are shown.

Delay and level of service is calculated using Synchro 11 analysis software.

BOLD = LOS does not meet the applicable jurisdictional requirements (i.e., unacceptable LOS). 3 TS = Traffic Signal; CSS = Cross‐Street Stop; AWS = All‐Way‐Stop The Project will contribute to the incremental need for traffic signals at intersections #3 and #4. These intersections are impacted, with or without the Proposed Project, and require signalization and other lane improvements in order to operate at an acceptable level of service.

Because the Proposed Project will not create the deficiency, but will contribute to it, a “fair share” contribution was calculated, and is included in Mitigation Measure TRA-1.

The Project’s access at Jackson Street was also reviewed, due to the uneven alignment of Avenue 49, and the lack of right of way on the south side, between Jackson and the Project boundary. The traffic analysis recommends the following construction alignment, in order to maximize intersection efficiency.

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August 2021 Initial Study/Mitigated Negative Declaration 69 Alternative alignments may also be considered by the City Engineer, and may be modified from this representation, as provided in the conditions of approval for the Project.

Finally, the traffic analysis considered other project area intersections, and found that improvements (both on and off site) were required at the time that the Project opens, in order to assure that roadway conditions had no impact on traffic in the area. These improvements are listed in Mitigation Measure TRA-1. With imposition of these mitigation measures, impacts associated with the Project will be reduced to less than significant levels.

General Plan Buildout (2040) Conditions
All study roadway segments will operate at an acceptable LOS under General Plan Buildout with or without Project traffic conditions. No additional study intersections were found to operate at an unacceptable level of service at General Plan Buildout (2040) with or without Project traffic conditions. However, additional intersection improvements are recommended and are discussed below.

Alternative Transportation Planning
Based on the Active Transportation Plan prepared by CVAG, there are currently bicycle facilities located along Jackson Street. Project residents will have access to these facilities immediately from the Proposed Project.

SunLine Transit Agency provides bus transit services to the Coachella Valley. Currently in the study area Sunline Transit Agency Line 6 runs along Avenue 48 and Line 8 runs along Dr.

Carreon Boulevard (east of Jackson Street) and along Jackson Street (north of Dr. Carreon Boulevard). Future residents would have direct access to SunLine bus service close to the Proposed Project site.

The Proposed Project will not conflict with adopted policies, plans, or programs regarding public transit, bicycle, or pedestrian facilities, or otherwise decrease the performance or safety of such facilities. No project related impact is anticipated.

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August 2021 Initial Study/Mitigated Negative Declaration 70 Summary
Based on the traffic analysis, the project site would generate up to 1,633 daily vehicle trips.

The Traffic Study sets forth improvements required to keep all study area intersections operating at acceptable levels of service. With implementation of Mitigation Measure TRA-1, impacts associated with traffic will be reduced to less than significant levels. b) No Impact. CEQA Guidelines section 15064.3 sets forth guidelines for implementing Senate Bill 743 (SB 743). SB 743 requires amendments to the CEQA Guidelines (pre-2019) to provide an alternative to LOS for evaluating transportation impacts. Particularly within areas served by transit, those alternative criteria must “promote the reduction of greenhouse gas emissions, the development of multimodal transportation networks, and a diversity of land uses.” (Public Resources Code Section 21099(b)(1).) Measurements of transportation impacts may include “vehicle miles traveled, vehicle miles traveled per capita, automobile trip generation rates, or automobile trips generated.”
The CEQA Guidelines have since been updated to allow for lead agency discretion in establishing methodologies and thresholds consistent with the intent of the legislation.

Currently, the City of Indio has not adopted regulations or thresholds pertaining to vehicle miles traveled (VMT) and the reduction of GHG emissions. Therefore, Project VMT impacts were assessed based on screening criteria established in the County of Riverside. Per County guidelines, a project would have a less than significant VMT impact if:
• Small projects (less than or equal to 110 single family dwelling units); • Projects near high quality transit;
• Local serving retail;
• Affordable housing;
• Local essential service (day care, police or fire facility, medical/dental office, government office),
• Residential and office projects in an area under VMT thresholds as shown on screening maps (Low VMT Area), and;
• Redevelopment Projects that replace existing VMT-generating land uses.

The traffic study reviewed the low VMT area screening map for home-based VMT per capita within Riverside County and found that the Proposed Project is in a zone with VMT less than the Riverside County average. Therefore, the Project satisfies the County-recommended criteria for low VMT areas and impacts are considered less than significant.

As discussed above, the Proposed Project is expected to have less than significant impacts on traffic flows and Level of Service standards with the implementation of mitigation measures.

These improvements will improve the traffic flow in the area, and therefore, at this time, the project will not conflict or be inconsistent with CEQA Guidelines section 15064.3, subdivision (b).

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August 2021 Initial Study/Mitigated Negative Declaration 71 c, d) No Impact. As described above, access to the Proposed Project will be provided through Jackson Street and Avenue 49. Regional access to the site will be provided via I-10 freeway, major arterials, secondary arterials and a variety of local roads.

Prior to construction, both the Fire Department and Police Department will review the site plan to ensure safety measures are addressed, including emergency access and geometric design.

Therefore, the Proposed Project will not result in inadequate emergency access or increase hazards due to a geometric design feature.

Mitigation Measures:

TRA.1 Traffic Signal Installation: The Project will be fully responsible for the construction of Avenue 49 as a 2‐lane local roadway (40 feet curb‐to‐curb width) from Jackson Street to the Project’s easterly boundary and construction of Plume Feather Drive as a 2‐lane gated roadway to serve as the Project’s secondary access to Jackson Street.

On-Site Improvements: The Project will also be fully responsible for the following intersection improvement prior to Project occupancy.

Jackson Street / Odlum Drive – Avenue 49 (#3)
• Install traffic signal control
• Construct one westbound shared left/through/right lane • Modify striping to provide a dedicated northbound left turn lane • Modify striping to provide a dedicated southbound left turn lane Jackson Street / Plume Feather Drive (#5)
• Install stop control for the westbound approach
• Construct one westbound shared left/right lane
Heron Place / Avenue 49 (#6)
• Install stop control for the northbound approach
• Construct one northbound shared left/right lane
• Construct one eastbound shared through/right lane
• Construct one westbound shared left/through lane
Song Sparrow Place / Avenue 49 (#8)
• Install stop control for the northbound approach
• Construct one northbound shared left/right lane
• Construct one eastbound shared through/right lane
• Construct one westbound shared left/through lane
Sight distance at each project access point should be reviewed with respect to standard Caltrans and City of Indio sight distance standards at the time of preparation of final grading, landscape and street improvement plans.

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August 2021 Initial Study/Mitigated Negative Declaration 72 Off-Site Intersection Improvements: The Project will be partially responsible and contribute on a fair share basis for the following improvements, which are needed for near term conditions (EAPC) at Jackson/Odlum Drive and Jackson/Avenue 50:
• Jackson St./Odlum Dr.: AM peak hour is 10.4%, PM peak hour is 12.7%. • Jackson St./Avenue 50: AM peak hour is 1.4%, PM peak hour is 1.6% Monitoring:

TRA.A The City Engineer shall approve project improvement plans prior to the issuance of grading permits, including the payment of fair share contributions for off-site improvements.

Responsible Parties: Project applicant, project engineer, City Engineer.

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August 2021 Initial Study/Mitigated Negative Declaration 73 XVIII. TRIBAL CULTURAL

RESOURCES
a) Would the Project cause a substantial
adverse change in the significance of a tribal
cultural resource, defined in Public
Resources Code section 21074 as either a
site, feature, place, cultural landscape that is
geographically defined in terms of the size
and scope of the landscape, sacred place, or
object with cultural value to a California
Native American tribe, and that is:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
i) Listed or eligible for listing in the
California Register of Historical
Resources, or in a local register of
historical resources as defined in Public
Resources Code section 5020.1(k), or
ii) A resource determined by the lead
agency, in its discretion and supported
by substantial evidence, to be significant
pursuant to criteria set forth in
subdivision (c) of Public Resources
Code Section 5024.1. In applying the
criteria set forth in subdivision (c) of
Public Resources Code Section 5024.1,
the lead agency shall consider the
significance of the resource to a
California Native American tribe.

Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update.

Environmental Setting
As discussed in the Section V, Cultural Resources, Cahuilla Indians are known to have lived in the Coachella Valley for thousands of years. They were Takic-speaking people who lived in various groups in the area. Today, Native Americans of Pass or Desert Cahuilla heritage are mostly affiliated with one or more of the Indian reservations in and near the Coachella Valley, including the Cabazon, Augustine, Torres Martinez, Twenty-nine Palms, Agua Caliente, and Morongo.

Numerous cultural resources are found throughout the valley which are considered non-renewable resources because they provide important information about the past.

Discussion of Impacts
a, i, ii) As described above, the site has been fully disturbed and previously graded, and the proposed project will result in homes on existing pads, and streets on existing graded areas. Cultural

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August 2021 Initial Study/Mitigated Negative Declaration 74 resource and paleontological monitoring reports were prepared for the Las Plumas project in 2015. A cross-trained archaeological and paleontological monitor conducted a pedestrian survey of the property prior to the start of grading activities and was present during all Projectrelated ground disturbing activities. No historical or prehistoric archaeological remains were observed on site and additional cultural monitoring activities were not recommended at that time. Due to the extensive site disturbance and confirmation that no archaeological resources are present on site, further monitoring is considered necessary. The site has been fully disturbed, and previous monitoring identified no resources. Therefore, impacts associated with both historic and archaeological resources will be less than significant. The City is conducting Tribal Consultation in conformance with AB 52 requirements. The Agua Caliente Band of Cahuilla Indians have responded, requesting consultation. Should this consultation result in the need for additional actions on the part of the project, they will be added either as conditions of approval, or additional mitigation measures in this Initial Study prior to completion of entitlements. Based on the condition and grading history of the site, however, it is believed that the impacts to tribal cultural resources are less than significant.

Mitigation Measures: None required.

Monitoring: None required.

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August 2021 Initial Study/Mitigated Negative Declaration 75 XIX. UTILITIES AND SERVICE

SYSTEMS
Would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Require or result in the relocation or
construction of new or expanded water,
wastewater treatment or storm water drainage,
electric power, natural gas, or
telecommunications facilities, the construction
or relocation of which could cause significant
environmental effects?
✓
b) Have sufficient water supplies available to
serve the project and reasonably foreseeable
future development during normal, dry and
multiple dry years?
✓
c) Result in a determination by the wastewater
treatment provider which serves or may serve
the project that it has adequate capacity to serve
the project’s projected demand in addition to the
provider’s existing commitments?
✓
d) Generate solid waste in excess of State or local
standards, or in excess of the capacity of local
infrastructure, or otherwise impair the
attainment of solid waste reduction goals?
✓
e) Comply with federal, state, and local
management and reduction statutes and
regulations related to solid waste?
✓
Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update.

Environmental Setting
Domestic Water
The project site is located within the Indio Water Authority (IWA) service area for domestic water.

IWA's primary sources of water include groundwater produced by local potable water supply wells.

Water supplies for the City of Indio are primarily from the lower aquifer in the Lower Whitewater River Subbasin. Because the Whitewater River Basin is an un-adjudicated basin, IWA does not hold specific water rights, but rather pumps supplies from the aquifer as needed to meet demands within its service area. IWA currently has 20 operational supply wells. Pumping capacities for these wells range from 1,200 gpm to 3,500 gpm, with a total pumping capacity of 74,600 AFY.24 Its average baseline water demand in 2015 was 18,208 AFY.

Wastewater Treatment
The project site is located in an area where sewer service is provided by the Valley Sanitary District (VSD). The project will extend on-site sewer lines from the site to connect to the existing sewer lines under Jackson Street.
24 IWA’s 2015 Urban Water Management Plan – Final Report.

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August 2021 Initial Study/Mitigated Negative Declaration 76 VSD provides wastewater collection and treatment services for the City of Indio and the majority of IWA areas. The collection system for VSD consists of approximately 240 miles of sanitary sewer pipes and 4 pump stations.25 Currently, VSD discharges treated wastewater to the Coachella Valley Stormwater Channel and provides a small amount of treated wastewater for on-site irrigation and agricultural irrigation for local tribes. IWA is currently pursuing opportunities with VSD to provide recycled water to golf courses and parks from VSD’s plant in the future. VSD currently treats approximately 6.5 million gallons per day through an activated sludge process, and has a capacity of

9.5 million gallons per day. An additional 0.5 million gallons per day is treated through oxidation ponds, which have a capacity of 2.5 million gallons per day.

Floodplain Management
In the City of Indio, local drainage facilities generally convey runoff from local streets and lots to the regional facilities. The local storm drain system consists of gutters, engineered storm drains, and channels. There are limited existing storm drainage facilities in the City. Regional drainage is managed by the Coachella Valley Water District, which maintains the Coachella Valley Stormwater Channel and the La Quinta Evacuation Channel.

Solid Waste Management
Residential and commercial areas in the City of Indio are served by Burrtec Waste and Recycling Services. Residential garbage and recyclables are collected on a weekly basis. Trash is taken to the Indio/Coachella Valley Waste Transfer Station in Coachella. That transfer station currently has a permitted maximum tonnage of 1,100 tons per day (tpd) of solid waste and a maximum capacity of 12,685 cubic yards per day. The facility can receive agricultural, construction and demolition, green material, industrial, inert, metal, mixed municipal, and tire wastes. Once waste enters the Indio/Coachella Valley Waste Transfer Station, it enters the Riverside County waste stream, is sorted, and sent to one of the Riverside County landfills (Badlands, Blythe, Desert Center, El Sobrante, Lamb Canyon, Mecca Landfill II, and Oasis), which have a remaining combined capacity of 181,783,284 cubic yards.
26 Discussion of Impacts
a-c) Less Than Significant Impact.

Water
The Proposed Project will be connected to existing domestic water pipelines located in Jackson Street. As discussed in Table 5 under Hydrology and Water Quality, the total water demand for the Proposed Project would be 26.09 acre-feet per year. The City of Indio’s largest water supply source is groundwater from the Whitewater River Basin. IWA works with CVWD to manage the underground water basins and to better serve the City. IWA and CVWD have access to or are working to obtain other water supply sources to meet projected water needs and help eliminate groundwater overdraft.
25 Valley Sanitary District Website – Recycling Waste Water into Safe Water. 26 Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 77 The Proposed Project is consistent with the land use designation assigned to it in the General Plan, on which, in part, the IWA based its future water demand analysis when preparing its planning documents, including its Urban Water Management Plan. To reduce water consumption, the Proposed Project will be required to implement all water conservation measures imposed by IWA under both normal and drought conditions over the life of the Proposed Project. Given current drought conditions, the Proposed Project will be required to comply with State water conservation measures, should they be required at any time during the life of the Project. The Proposed Project will increase water demand by 0.14% over 2015 baseline demand. Therefore, project impacts associated with domestic water demand are expected to be less than significant.

Wastewater Treatment
The project site is served by VSD for wastewater collection and treatment services. The project site does not currently contain any wastewater infrastructure. The Proposed Project will require construction of on-site sewer infrastructure to connect to the existing sewer mains located under the Jackson Street right-of-way. Sewage will be conveyed to the VSD wastewater treatment plant located at 45500 Van Buren Street. The Project wastewater discharges will be typical of residential uses and would not exceed wastewater treatment requirements of the VSD or Regional Water Quality Control Board. As described under Hydrology and Water Quality, VSD has sufficient capacity to accommodate the discharge resulting from the Proposed Project, and impacts will be less than significant.

Drainage System
HEITEC prepared a Preliminary Hydrology Report that analyzed Project buildout. The Project is designed to contain the entire volume from the 100-year storm onsite in four retention basins located throughout the project as required by the City of Indio per Section 3.5.1.2 of the Whitewater Region Water Quality Management Plan Guidance Document. In the event of an emergency overflow, the site is designed for each basin to back up into the street until they spill over a local highpoint. The adjacent pads are elevated at least one foot above this highpoint to ensure that no homes are flooded. If all the interior basins were to overflow the runoff is conveyed to the emergency outlet on Avenue 49. A final hydrologic analysis will be required to demonstrate that the Project meets the City’s standards. These standard requirements will assure that impacts associated with storm water retention remain less than significant.

Electricity
The Project will provide local connections to the existing IID infrastructure in the project area.

The Project will not require the addition or expansion of electric power facilities.

Natural Gas
The Project will provide local connections to the existing SoCalGas infrastructure in the project area. The Project will not require the addition or expansion of natural gas facilities.

Telecommunications
The Project will provide local connections to the existing Frontier Communications infrastructure in the project area. The Project will not require to the addition or expansion of telecommunication facilities.

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August 2021 Initial Study/Mitigated Negative Declaration 78 d, e) Less than Significant Impact. As discussed above, Burrtec Waste and Recycling Services (Burrtec) provides solid waste services to the City of Indio. Solid waste generated by the city is either recycled, reused, or transformed at a waste-to-energy facility27, or disposed of at one of county’s landfills. County landfills have a combined remaining capacity of 181,783,284 cubic yard, with a maximum permitted capacity of 266,159,998 cubic yard.28 The project will generate 114.94 tons of solid waste per year as shown below.

Table 11
Estimated Solid Waste Disposal at the Project Buildout
Land Use CIWMB Disposal Rates Proposed
Solid Waste
Disposal (pounds
per day)
Solid Waste
Disposal (tons
per year)
Residential 12.23 pounds/dwelling
unit/day 173 DU 1,259.69 229.89
TOTAL 229.89
TOTAL (with 50% diversion) 114.94
*Estimated Solid Waste Generation Rates by CalRecycle,
https://www2.calrecycle.ca.gov/WasteCharacterization/General/Rates, Accessed August 2021.

At buildout, the Proposed Project will contribute less than 1% of the County’s remaining capacity. Commingled recyclable materials (e.g., paper, plastic, glass, cardboard, aluminum) will be transported to Burrtec’s material recovery facilities for recycling and reuse.

Burrtec is responsible for maintaining standards that assure that all waste is handled in a manner that meets local, state and federal standards. These requirements will assure that impacts associated with solid waste disposal remain less than significant.

Mitigation Measures: None required.

Monitoring: None required.
27 Riverside County Nondisposal Facility Element by Riverside County Department of Waste Resources (2015, amended May 2020).
28 Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 79 XX. WILDFIRE
If located in or near state responsibility
areas or lands classified as very high fire
hazard severity zones, would the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Substantially impair an adopted
emergency response plan or emergency
evacuation plan?
✓
b) Due to slope, prevailing winds, and
other factors, exacerbate wildfire risks,
and thereby expose project occupants
to, pollutant concentrations from a
wildfire or the uncontrolled spread of a
wildfire?
✓
c) Require the installation or maintenance
of associated infrastructure (such as
roads, fuel breaks, emergency water
sources, power lines or other utilities)
that may exacerbate fire risk or that
may result in temporary or ongoing
impacts to the environment?
✓
d) Expose people or structures to
significant risks, including downslope
or downstream flooding or landslides,
as a result of runoff, post-fire slope
instability, or drainage changes?
✓
Sources: City of Indio General Plan (September 2019); Final EIR for the City of Indio 2040 General Plan Update.

Environmental Setting
Due to weather, topography, and native vegetation, large areas of the state of California are susceptible to fires. Wildfires can occur in undeveloped areas and spread to urban areas where the landscape and structures are not designed and maintained to be ignition resistant. A wildland-urban interface is an area where urban development is located in proximity to open space or “wildland” areas. The potential for wildland fires represents a hazard where development is adjacent to open space or within close proximity to wildland fuels or designated fire severity zones.

The California Department of Forestry and Fire Protection (Cal Fire) has mapped areas of significant fire hazards in the state through its Fire and Resources Assessment Program (FRAP). The City of Indio is not affected by wildfires and risk is generally considered “moderate” throughout the City.29 29 Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 80 Discussion of Impacts
a) No Impact. The primary emergency evacuation routes in the City include Interstate 10, State Route 86, Highway 111, Jefferson Street, Monroe Street, and Jackson Street. The project site is located along Jackson Street, which provides access in an emergency. Development on the subject property would not substantially impair the City’s adopted emergency evacuation and response plans30 as the Project is not proposing to amend these routes to impede emergency evacuation. No impact is anticipated.
b, c) No Impact. The Project area is not located within a wildfire hazard severity zone nor a wildland-urban interface (WUI). The Project is located in an urban environment, and miles from an area of wildland fire potential. Urban roadways exist surrounding the Project, and no new wildfire risk infrastructure will be required. No impact is anticipated. c) No Impact. The Project site is located on the valley floor where there is no potential for flooding, landslide, or post-fire slope instability. Therefore, the Proposed Project would not expose people or structures to significant risks such as downslope or downstream flooding or landslides, post-fire slope instability, or drainage changes. No impact is anticipated.

Mitigation Measures: None required.

Monitoring: None required.
30 Final EIR for the City of Indio 2040 General Plan Update.

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August 2021 Initial Study/Mitigated Negative Declaration 81 XXI. MANDATORY FINDINGS OF SIGNIFICANCE
NOTE: If there are significant
environmental impacts which cannot be
mitigated and no feasible project
alternatives are available, then complete
the mandatory findings of significance
and attach to this initial study as an
appendix. This is the first step for starting
the environmental impact report (EIR)
process.

Does the project:

Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
a) Does the project have the potential to
degrade the quality of the
environment, substantially reduce the
habitat of a fish or wildlife species,
cause a fish or wildlife population to
drop below self-sustaining levels,
threaten to eliminate a plant or animal
community, reduce the number or
restrict the range of a rare or
endangered plant or animal or
eliminate important examples of the
major periods of California history or
prehistory?
✓
b) Does the project have impacts that are
individually limited, but cumulatively
considerable? (“Cumulatively
considerable” means that the
incremental effects of a project are
considerable when viewed in
connection with the effects of past
projects, the effects of other current
projects, and the effects of probable
future projects)?
✓
c) Does the project have environmental
effects, which will cause substantial
adverse effects on human beings,
either directly or indirectly?
✓
a) Less Than Significant Impact with Mitigation Incorporated.

Biological Resources: The Project site is not located within a CVMSHCP-designated conservation area and does not contain any wildlife corridors or biological linkage areas.

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August 2021 Initial Study/Mitigated Negative Declaration 82 construction survey will be required to avoid impacts to nesting birds covered by the MBTA, including burrowing owl. In addition, the site is subject to payment of the Development Mitigation Fee to mitigate potential impacts to covered species under the CVMSHCP.

The Proposed Project will not significantly reduce fish or wildlife habitat or otherwise adversely impact a fish or wildlife species. The construction of the Project has the potential to impact nesting birds, but the mitigation measures included in this document will reduce those impacts to less than significant levels.

Cultural Resources: No cultural resources are known to exist within or adjacent to the project site. Site monitoring during the original grading of the site found no resources below the graded surface.

Overall, there will be no significant environmental impacts which cannot be mitigated. Project related impacts, including cumulative impacts, are considered less than significant. b) Less Than Significant Impact. A significant impact could occur if the Proposed Project, in conjunction with related projects, would result in impacts that would be less than significant when viewed separately, but would be significant when viewed together. Here, however, the impacts of the Proposed Project are individually limited and not cumulatively considerable.

The Proposed Project is consistent with the development envisioned for this area of the City in the City’s General Plan. All environmental impacts that could occur as a result of the Proposed Project would be less than significant with the implementation of mitigation measures included herein, and when viewed in conjunction with other closely related past, present or reasonably foreseeable future projects, would not be significant.
c) Less Than Significant Impact. The Proposed Project will not have environmental effects which will cause substantial adverse effects on human beings, either directly or indirectly, with the implementation of the City’s Municipal Code, other standard requirements and requirements of law, and the mitigation measures included in this document.

Resolution No. 10276, adopting a Mitigated Negative Declaration and Miti... Page 621 of 1319 Initial Study/Mitigated Negative Declaration
City of Indio Coco Palms/TTM 38072
August 2021 Initial Study/Mitigated Negative Declaration 83 Appendix A
Air Quality and GHG Modeling

Resolution No. 10276, adopting a Mitigated Negative Declaration and Miti... Page 622 of 1319 Coco Palms, Indio CA
Salton Sea Air Basin, Summer
Project Characteristics -
Land Use - 173 single family residential development, assumes 3.31 persons per household for total of 573 persons (Dept. of Finance Table E-5, 2021).

Acreage based on TTM.

Construction Phase - Assumes 2 year buildout, operational year 2023. Minimal grading required, site previously graded. Assumes paving and arch. coating phases will overlap with building construction, and arch coating will occur gradually as units are completed.

Off-road Equipment - Assumes default construction equipment list.

Grading - Assumes cut/fill will balance on site per project earthwork calculations.

On-road Fugitive Dust - All roadways in project area are pave.

Road Dust - All roadways are paved.

Construction Off-road Equipment Mitigation - Adherence to standard dust control plan per SCAQMD Rule 403.1.

1.1 Land Usage
Land Uses Size Metric Lot Acreage Floor Surface Area Population Single Family Housing 173.00 Dwelling Unit 29.03 311,400.00 573 Other Asphalt Surfaces 9.00 Acre 9.00 392,040.000

1.2 Other Project Characteristics
Urbanization
Climate Zone
Urban
15 Wind Speed (m/s) 3.4 Precipitation Freq (Days) 20

1.3 User Entered Comments & Non-Default Data

1.0 Project Characteristics
Utility Company Imperial Irrigation District
Operational Year 2023
CO2 Intensity
(lb/MWhr)
189.98 CH4 Intensity 0.033
(lb/MWhr)
N2O Intensity 0.004
(lb/MWhr)
CalEEMod Version: CalEEMod.2020.4.0 Page 1 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

Table Name Column Name Default Value New Value
tblConstructionPhase NumDays 55.00 160.00
tblConstructionPhase NumDays 740.00 450.00
tblConstructionPhase NumDays 75.00 30.00
tblConstructionPhase NumDays 55.00 30.00
tblConstructionPhase NumDays 30.00 20.00
tblConstructionPhase PhaseEndDate 6/18/2025 3/10/2023
tblConstructionPhase PhaseEndDate 1/15/2025 7/12/2023
tblConstructionPhase PhaseEndDate 3/16/2022 10/20/2021
tblConstructionPhase PhaseEndDate 4/2/2025 12/1/2021
tblConstructionPhase PhaseEndDate 12/1/2021 9/8/2021
tblConstructionPhase PhaseStartDate 4/3/2025 1/1/2023
tblConstructionPhase PhaseStartDate 3/17/2022 10/21/2021 tblConstructionPhase PhaseStartDate 12/2/2021 9/9/2021
tblConstructionPhase PhaseStartDate 1/16/2025 10/21/2021 tblConstructionPhase PhaseStartDate 10/21/2021 8/12/2021 tblGrading AcresOfGrading 90.00 225.00
tblGrading AcresOfGrading 30.00 45.00
tblLandUse LotAcreage 56.17 29.03
tblLandUse Population 559.00 573.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
CalEEMod Version: CalEEMod.2020.4.0 Page 2 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.0 Emissions Summary
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblRoadDust RoadPercentPave 50 100
CalEEMod Version: CalEEMod.2020.4.0 Page 3 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.1 Overall Construction (Maximum Daily Emission)
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Year lb/day lb/day
2021 5.3689 46.4577 43.1793 0.0826 20.6030 2.0453 22.6483 10.2283 1.8817 12.1100 0.0000 8,144.829 48,144.829 41.9484 0.2543 8,255.884 0 2022 2.9288 19.1032 26.6715 0.0577 2.3162 0.8551 3.1713 0.6239 0.8049 1.4288 0.0000 5,732.821 05,732.821 00.6799 0.2408 5,821.575 1 2023 28.4548 18.6981 29.1397 0.0632 2.6927 0.8004 3.4931 0.7238 0.7574 1.4811 0.0000 6,277.302 46,277.302 40.6957 0.2387 6,365.829 4 Maximum 28.4548 46.4577 43.1793 0.0826 20.6030 2.0453 22.6483 10.2283 1.8817 12.1100 0.0000 8,144.829 48,144.829 41.9484 0.2543 8,255.884 0 Unmitigated Construction
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Year lb/day lb/day
2021 5.3689 46.4577 43.1793 0.0826 8.1270 2.0453 10.1724 4.0134 1.8817 5.8951 0.0000 8,144.829 48,144.829 41.9484 0.2543 8,255.884 0 2022 2.9288 19.1032 26.6715 0.0577 2.3162 0.8551 3.1713 0.6239 0.8049 1.4288 0.0000 5,732.821 05,732.821 00.6799 0.2408 5,821.575 1 2023 28.4548 18.6981 29.1397 0.0632 2.6927 0.8004 3.4931 0.7238 0.7574 1.4811 0.0000 6,277.302 46,277.302 40.6957 0.2387 6,365.829 4 Maximum 28.4548 46.4577 43.1793 0.0826 8.1270 2.0453 10.1724 4.0134 1.8817 5.8951 0.0000 8,144.829 48,144.829 41.9484 0.2543 8,255.884 0 Mitigated Construction
CalEEMod Version: CalEEMod.2020.4.0 Page 4 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio-CO2 Total CO2 CH4 N20 CO2e
Percent
Reduction

0.00 0.00 0.00 0.00 48.71 0.00 42.56 53.69 0.00 41.38 0.00 0.00 0.00 0.00 0.00 0.00 CalEEMod Version: CalEEMod.2020.4.0 Page 5 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.2 Overall Operational
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Area 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Energy 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Mobile 5.8266 5.4316 42.9589 0.0834 7.7966 0.0618 7.8584 2.0792 0.0578 2.1371 8,568.006 48,568.006 40.4487 0.4272 8,706.536 8 Total 14.4884 8.2997 58.3861 0.1014 7.7966 0.3594 8.1560 2.0792 0.3554 2.4347 0.0000 12,044.92 50 12,044.92
50 0.5396 0.4905 12,204.58
22 Unmitigated Operational
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Area 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Energy 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Mobile 5.8266 5.4316 42.9589 0.0834 7.7966 0.0618 7.8584 2.0792 0.0578 2.1371 8,568.006 48,568.006 40.4487 0.4272 8,706.536 8 Total 14.4884 8.2997 58.3861 0.1014 7.7966 0.3594 8.1560 2.0792 0.3554 2.4347 0.0000 12,044.92 50 12,044.92
50 0.5396 0.4905 12,204.58
22 Mitigated Operational
CalEEMod Version: CalEEMod.2020.4.0 Page 6 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.0 Construction Detail
Construction Phase
Phase
Number
Phase Name Phase Type Start Date End Date Num Days
Week
Num Days Phase Description
1 Site Preparation Site Preparation 8/12/2021 9/8/20215 20 2 Grading Grading 9/9/2021 10/20/20215 30
3 Building Construction Building Construction 10/21/2021 7/12/20235 450 4 Paving Paving 10/21/2021 12/1/20215 30
5 Architectural Coating Architectural Coating 1/1/2023 3/10/20235 160 OffRoad Equipment
Phase Name Offroad Equipment Type Amount Usage Hours Horse Power Load Factor Architectural Coating Air Compressors1 6.00 78 0.48
Building Construction Cranes1 7.00 231 0.29
Grading Excavators2 8.00 158 0.38
Building Construction Forklifts3 8.00 89 0.20
Building Construction Generator Sets1 8.00 84 0.74
Grading Graders1 8.00 187 0.41
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio-CO2 Total CO2 CH4 N20 CO2e
Percent
Reduction

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Residential Indoor: 630,585; Residential Outdoor: 210,195; Non-Residential Indoor: 0; Non-Residential Outdoor: 0; Striped Parking Area:
23,522 (Architectural Coating – sqft)
Acres of Grading (Site Preparation Phase): 45
Acres of Grading (Grading Phase): 225
Acres of Paving: 9
CalEEMod Version: CalEEMod.2020.4.0 Page 7 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.1 Mitigation Measures Construction
Water Exposed Area
Paving Pavers2 8.00 130 0.42
Paving Paving Equipment2 8.00 132 0.36
Paving Rollers2 8.00 80 0.38
Grading Rubber Tired Dozers1 8.00 247 0.40
Site Preparation Rubber Tired Dozers3 8.00 247 0.40
Grading Scrapers2 8.00 367 0.48
Building Construction Tractors/Loaders/Backhoes3 7.00 97 0.37 Grading Tractors/Loaders/Backhoes2 8.00 97 0.37
Site Preparation Tractors/Loaders/Backhoes4 8.00 97 0.37 Building Construction Welders1 8.00 46 0.45
Trips and VMT
Phase Name Offroad Equipment
Count
Worker Trip
Number
Vendor Trip
Number
Hauling Trip
Number
Worker Trip
Length
Vendor Trip
Length
Hauling Trip
Length
Worker Vehicle
Class
Vendor
Vehicle Class
Hauling
Vehicle Class
Site Preparation7 18.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Grading8 20.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Building Construction9 227.00 83.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Paving6 15.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Architectural Coating1 45.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT CalEEMod Version: CalEEMod.2020.4.0 Page 8 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.2 Site Preparation - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Fugitive Dust 20.4524 0.0000 20.4524 10.1883 0.0000 10.1883 0.0000 0.0000 Off-Road 3.8882 40.4971 21.1543 0.0380 2.0445 2.0445 1.8809 1.8809 3,685.656 93,685.656 91.1920 3,715.457 3 Total 3.8882 40.4971 21.1543 0.0380 20.4524 2.0445 22.4968 10.1883 1.8809 12.0692 3,685.656 93,685.656 91.1920 3,715.457 3 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0923 0.0521 0.7729 1.4900e0030.1506 8.5000e0040.1515 0.0400 7.9000e0040.0407 150.7303 150.7303 5.0400e0034.6000e003152.2259 Total 0.0923 0.0521 0.7729 1.4900e0030.1506 8.5000e0040.1515 0.0400 7.9000e0040.0407 150.7303 150.7303 5.0400e0034.6000e003152.2259 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 9 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.2 Site Preparation - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Fugitive Dust 7.9764 0.0000 7.9764 3.9735 0.0000 3.9735 0.0000 0.0000 Off-Road 3.8882 40.4971 21.1543 0.0380 2.0445 2.0445 1.8809 1.8809 0.0000 3,685.656 93,685.656 91.1920 3,715.457 3 Total 3.8882 40.4971 21.1543 0.0380 7.9764 2.0445 10.0209 3.9735 1.8809 5.8544 0.0000 3,685.656 93,685.656 91.1920 3,715.457 3 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0923 0.0521 0.7729 1.4900e0030.1506 8.5000e0040.1515 0.0400 7.9000e0040.0407 150.7303 150.7303 5.0400e0034.6000e003152.2259 Total 0.0923 0.0521 0.7729 1.4900e0030.1506 8.5000e0040.1515 0.0400 7.9000e0040.0407 150.7303 150.7303 5.0400e0034.6000e003152.2259 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 10 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.3 Grading - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Fugitive Dust 13.9758 0.0000 13.9758 4.1691 0.0000 4.1691 0.0000 0.0000 Off-Road 4.1912 46.3998 30.8785 0.0620 1.9853 1.9853 1.8265 1.8265 6,007.043 46,007.043 41.9428 6,055.613 4 Total 4.1912 46.3998 30.8785 0.0620 13.9758 1.9853 15.9612 4.1691 1.8265 5.9956 6,007.043 46,007.043 41.9428 6,055.613 4 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.1026 0.0578 0.8588 1.6500e0030.1673 9.5000e0040.1683 0.0444 8.7000e0040.0453 167.4782 167.4782 5.6000e0035.1100e003169.1399 Total 0.1026 0.0578 0.8588 1.6500e0030.1673 9.5000e0040.1683 0.0444 8.7000e0040.0453 167.4782 167.4782 5.6000e0035.1100e003169.1399 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 11 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.3 Grading - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Fugitive Dust 5.4506 0.0000 5.4506 1.6259 0.0000 1.6259 0.0000 0.0000 Off-Road 4.1912 46.3998 30.8785 0.0620 1.9853 1.9853 1.8265 1.8265 0.0000 6,007.043 46,007.043 41.9428 6,055.613 4 Total 4.1912 46.3998 30.8785 0.0620 5.4506 1.9853 7.4359 1.6259 1.8265 3.4524 0.0000 6,007.043 46,007.043 41.9428 6,055.613 4 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.1026 0.0578 0.8588 1.6500e0030.1673 9.5000e0040.1683 0.0444 8.7000e0040.0453 167.4782 167.4782 5.6000e0035.1100e003169.1399 Total 0.1026 0.0578 0.8588 1.6500e0030.1673 9.5000e0040.1683 0.0444 8.7000e0040.0453 167.4782 167.4782 5.6000e0035.1100e003169.1399 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 12 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.9009 17.4321 16.5752 0.0269 0.9586 0.9586 0.9013 0.9013 2,553.363 92,553.363 90.6160 2,568.764 3 Total 1.9009 17.4321 16.5752 0.0269 0.9586 0.9586 0.9013 0.9013 2,553.363 92,553.363 90.6160 2,568.764 3 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1852 3.4006 1.5591 0.0129 0.4170 0.0614 0.4784 0.1201 0.0588 0.1789 1,357.769 01,357.769 00.0128 0.1926 1,415.469 3 Worker 1.1643 0.6565 9.7476 0.0188 1.8992 0.0108 1.9100 0.5038 9.9300e0030.5137 1,900.877 11,900.877 10.0635 0.0580 1,919.738 2 Total 1.3495 4.0572 11.3067 0.0316 2.3162 0.0722 2.3884 0.6239 0.0687 0.6926 3,258.646 03,258.646 00.0763 0.2505 3,335.207 5 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 13 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.9009 17.4321 16.5752 0.0269 0.9586 0.9586 0.9013 0.9013 0.0000 2,553.363 92,553.363 90.6160 2,568.764 3 Total 1.9009 17.4321 16.5752 0.0269 0.9586 0.9586 0.9013 0.9013 0.0000 2,553.363 92,553.363 90.6160 2,568.764 3 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1852 3.4006 1.5591 0.0129 0.4170 0.0614 0.4784 0.1201 0.0588 0.1789 1,357.769 01,357.769 00.0128 0.1926 1,415.469 3 Worker 1.1643 0.6565 9.7476 0.0188 1.8992 0.0108 1.9100 0.5038 9.9300e0030.5137 1,900.877 11,900.877 10.0635 0.0580 1,919.738 2 Total 1.3495 4.0572 11.3067 0.0316 2.3162 0.0722 2.3884 0.6239 0.0687 0.6926 3,258.646 03,258.646 00.0763 0.2505 3,335.207 5 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 14 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2022
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.7062 15.6156 16.3634 0.0269 0.8090 0.8090 0.7612 0.7612 2,554.333 62,554.333 60.6120 2,569.632 2 Total 1.7062 15.6156 16.3634 0.0269 0.8090 0.8090 0.7612 0.7612 2,554.333 62,554.333 60.6120 2,569.632 2 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1491 2.9092 1.4460 0.0126 0.4170 0.0361 0.4530 0.1201 0.0345 0.1546 1,329.874 41,329.874 40.0111 0.1876 1,386.061 6 Worker 1.0735 0.5784 8.8621 0.0182 1.8992 0.0100 1.9093 0.5038 9.2500e0030.5130 1,848.613 01,848.613 00.0568 0.0532 1,865.881 3 Total 1.2226 3.4875 10.3081 0.0308 2.3162 0.0461 2.3623 0.6239 0.0437 0.6676 3,178.487 43,178.487 40.0680 0.2408 3,251.942 9 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 15 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2022
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.7062 15.6156 16.3634 0.0269 0.8090 0.8090 0.7612 0.7612 0.0000 2,554.333 62,554.333 60.6120 2,569.632 2 Total 1.7062 15.6156 16.3634 0.0269 0.8090 0.8090 0.7612 0.7612 0.0000 2,554.333 62,554.333 60.6120 2,569.632 2 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1491 2.9092 1.4460 0.0126 0.4170 0.0361 0.4530 0.1201 0.0345 0.1546 1,329.874 41,329.874 40.0111 0.1876 1,386.061 6 Worker 1.0735 0.5784 8.8621 0.0182 1.8992 0.0100 1.9093 0.5038 9.2500e0030.5130 1,848.613 01,848.613 00.0568 0.0532 1,865.881 3 Total 1.2226 3.4875 10.3081 0.0308 2.3162 0.0461 2.3623 0.6239 0.0437 0.6676 3,178.487 43,178.487 40.0680 0.2408 3,251.942 9 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 16 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.5728 14.3849 16.2440 0.0269 0.6997 0.6997 0.6584 0.6584 2,555.209 92,555.209 90.6079 2,570.406 1 Total 1.5728 14.3849 16.2440 0.0269 0.6997 0.6997 0.6584 0.6584 2,555.209 92,555.209 90.6079 2,570.406 1 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1228 2.3977 1.3809 0.0122 0.4170 0.0186 0.4355 0.1201 0.0178 0.1379 1,284.955 81,284.955 89.9700e0030.1800 1,338.852 9 Worker 0.9923 0.5112 8.0983 0.0176 1.8992 9.4000e0031.9086 0.5038 8.6500e0030.5124 1,799.049 01,799.049 00.0509 0.0490 1,814.916 3 Total 1.1152 2.9089 9.4792 0.0298 2.3162 0.0280 2.3442 0.6239 0.0264 0.6503 3,084.004 83,084.004 80.0609 0.2290 3,153.769 2 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 17 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.5728 14.3849 16.2440 0.0269 0.6997 0.6997 0.6584 0.6584 0.0000 2,555.209 92,555.209 90.6079 2,570.406 1 Total 1.5728 14.3849 16.2440 0.0269 0.6997 0.6997 0.6584 0.6584 0.0000 2,555.209 92,555.209 90.6079 2,570.406 1 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1228 2.3977 1.3809 0.0122 0.4170 0.0186 0.4355 0.1201 0.0178 0.1379 1,284.955 81,284.955 89.9700e0030.1800 1,338.852 9 Worker 0.9923 0.5112 8.0983 0.0176 1.8992 9.4000e0031.9086 0.5038 8.6500e0030.5124 1,799.049 01,799.049 00.0509 0.0490 1,814.916 3 Total 1.1152 2.9089 9.4792 0.0298 2.3162 0.0280 2.3442 0.6239 0.0264 0.6503 3,084.004 83,084.004 80.0609 0.2290 3,153.769 2 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 18 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.5 Paving - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.2556 12.9191 14.6532 0.0228 0.6777 0.6777 0.6235 0.6235 2,207.210 92,207.210 90.7139 2,225.057 3 Paving 0.7860 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Total 2.0416 12.9191 14.6532 0.0228 0.6777 0.6777 0.6235 0.6235 2,207.210 92,207.210 90.7139 2,225.057 3 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0769 0.0434 0.6441 1.2400e0030.1255 7.1000e0040.1262 0.0333 6.6000e0040.0339 125.6086 125.6086 4.2000e0033.8300e003126.8550 Total 0.0769 0.0434 0.6441 1.2400e0030.1255 7.1000e0040.1262 0.0333 6.6000e0040.0339 125.6086 125.6086 4.2000e0033.8300e003126.8550 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 19 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.5 Paving - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.2556 12.9191 14.6532 0.0228 0.6777 0.6777 0.6235 0.6235 0.0000 2,207.210 92,207.210 90.7139 2,225.057 3 Paving 0.7860 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Total 2.0416 12.9191 14.6532 0.0228 0.6777 0.6777 0.6235 0.6235 0.0000 2,207.210 92,207.210 90.7139 2,225.057 3 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0769 0.0434 0.6441 1.2400e0030.1255 7.1000e0040.1262 0.0333 6.6000e0040.0339 125.6086 125.6086 4.2000e0033.8300e003126.8550 Total 0.0769 0.0434 0.6441 1.2400e0030.1255 7.1000e0040.1262 0.0333 6.6000e0040.0339 125.6086 125.6086 4.2000e0033.8300e003126.8550 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 20 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.6 Architectural Coating - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Archit. Coating 25.3785 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 0.1917 1.3030 1.8111 2.9700e0030.0708 0.0708 0.0708 0.0708 281.4481 281.4481 0.0168 281.8690 Total 25.5701 1.3030 1.8111 2.9700e0030.0708 0.0708 0.0708 0.0708 281.4481 281.4481 0.0168 281.8690 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.1967 0.1013 1.6054 3.4800e0030.3765 1.8600e0030.3784 0.0999 1.7100e0030.1016 356.6397 356.6397 0.0101 9.7100e003359.7852 Total 0.1967 0.1013 1.6054 3.4800e0030.3765 1.8600e0030.3784 0.0999 1.7100e0030.1016 356.6397 356.6397 0.0101 9.7100e003359.7852 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 21 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.6 Architectural Coating - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Archit. Coating 25.3785 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 0.1917 1.3030 1.8111 2.9700e0030.0708 0.0708 0.0708 0.0708 0.0000 281.4481 281.4481 0.0168 281.8690 Total 25.5701 1.3030 1.8111 2.9700e0030.0708 0.0708 0.0708 0.0708 0.0000 281.4481 281.4481 0.0168 281.8690 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.1967 0.1013 1.6054 3.4800e0030.3765 1.8600e0030.3784 0.0999 1.7100e0030.1016 356.6397 356.6397 0.0101 9.7100e003359.7852 Total 0.1967 0.1013 1.6054 3.4800e0030.3765 1.8600e0030.3784 0.0999 1.7100e0030.1016 356.6397 356.6397 0.0101 9.7100e003359.7852 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 22 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

4.0 Operational Detail - Mobile
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Mitigated 5.8266 5.4316 42.9589 0.0834 7.7966 0.0618 7.8584 2.0792 0.0578 2.1371 8,568.006 48,568.006 40.4487 0.4272 8,706.536 8 Unmitigated 5.8266 5.4316 42.9589 0.0834 7.7966 0.0618 7.8584 2.0792 0.0578 2.1371 8,568.006 48,568.006 40.4487 0.4272 8,706.536 8

4.1 Mitigation Measures Mobile

4.2 Trip Summary Information

4.3 Trip Type Information
Average Daily Trip Rate Unmitigated Mitigated
Land Use Weekday Saturday Sunday Annual VMT Annual VMT
Other Asphalt Surfaces 0.00 0.00 0.00
Single Family Housing 1,633.12 1,650.42 1479.15 3,609,486 3,609,486 Total 1,633.12 1,650.42 1,479.15 3,609,486 3,609,486
Miles Trip % Trip Purpose %
Land Use H-W or C-W H-S or C-C H-O or C-NW H-W or C-W H-S or C-C H-O or C-NW Primary Diverted Pass-by Other Asphalt Surfaces 12.50 4.20 5.40 0.00 0.00 0.00000 Single Family Housing 11.00 3.50 4.50 40.20 19.20 40.60 86 113

4.4 Fleet Mix
CalEEMod Version: CalEEMod.2020.4.0 Page 23 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

Land Use LDA LDT1 LDT2 MDV LHD1 LHD2 MHD HHD OBUS UBUS MCY SBUS MH Other Asphalt Surfaces 0.515135 0.060169 0.185335 0.147842 0.025432 0.007034 0.010598 0.020349 0.000855 0.000237 0.021941 0.000925 0.004146 Single Family Housing 0.515135 0.060169 0.185335 0.147842 0.025432 0.007034 0.010598 0.020349 0.000855 0.000237 0.021941 0.000925 0.004146

5.0 Energy Detail
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
NaturalGas
Mitigated

0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 NaturalGas
Unmitigated

0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0

5.1 Mitigation Measures Energy
Historical Energy Use: N
CalEEMod Version: CalEEMod.2020.4.0 Page 24 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

6.0 Area Detail

5.2 Energy by Land Use - NaturalGas
NaturalGa
s Use
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Land Use kBTU/yr lb/day lb/day
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Single Family
Housing
13407.2 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Total 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Unmitigated
NaturalGa
s Use
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Land Use kBTU/yr lb/day lb/day
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Single Family
Housing

13.4072 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Total 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Mitigated
CalEEMod Version: CalEEMod.2020.4.0 Page 25 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

6.1 Mitigation Measures Area
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Mitigated 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Unmitigated 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 CalEEMod Version: CalEEMod.2020.4.0 Page 26 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

6.2 Area by SubCategory
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
SubCategory lb/day lb/day
Architectural
Coating

1.1125 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Consumer
Products

6.8028 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Hearth 0.1718 1.4679 0.6246 9.3700e0030.1187 0.1187 0.1187 0.1187 0.0000 1,873.895 31,873.895 30.0359 0.0344 1,885.030 9 Landscaping 0.4302 0.1646 14.2768 7.5000e0040.0790 0.0790 0.0790 0.0790 25.7015 25.7015 0.0247 26.3195 Total 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Unmitigated
CalEEMod Version: CalEEMod.2020.4.0 Page 27 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

7.1 Mitigation Measures Water

7.0 Water Detail

6.2 Area by SubCategory
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
SubCategory lb/day lb/day
Architectural
Coating

1.1125 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Consumer
Products

6.8028 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Hearth 0.1718 1.4679 0.6246 9.3700e0030.1187 0.1187 0.1187 0.1187 0.0000 1,873.895 31,873.895 30.0359 0.0344 1,885.030 9 Landscaping 0.4302 0.1646 14.2768 7.5000e0040.0790 0.0790 0.0790 0.0790 25.7015 25.7015 0.0247 26.3195 Total 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Mitigated
CalEEMod Version: CalEEMod.2020.4.0 Page 28 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

11.0 Vegetation

8.1 Mitigation Measures Waste

8.0 Waste Detail

9.0 Operational Offroad
Equipment Type Number Hours/Day Days/Year Horse Power Load Factor Fuel Type

10.0 Stationary Equipment
Fire Pumps and Emergency Generators
Equipment Type Number Hours/Day Hours/Year Horse Power Load Factor Fuel Type Boilers
Equipment Type Number Heat Input/Day Heat Input/Year Boiler Rating Fuel Type User Defined Equipment
Equipment Type Number
CalEEMod Version: CalEEMod.2020.4.0 Page 29 of 29 Date: 8/12/2021 12:34 PM Coco Palms, Indio CA - Salton Sea Air Basin, Summer
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

Coco Palms, Indio CA
Salton Sea Air Basin, Winter
Project Characteristics -
Land Use - 173 single family residential development, assumes 3.31 persons per household for total of 573 persons (Dept. of Finance Table E-5, 2021).

Acreage based on TTM.

Construction Phase - Assumes 2 year buildout, operational year 2023. Minimal grading required, site previously graded. Assumes paving and arch. coating phases will overlap with building construction, and arch coating will occur gradually as units are completed.

Off-road Equipment - Assumes default construction equipment list.

Grading - Assumes cut/fill will balance on site per project earthwork calculations.

On-road Fugitive Dust - All roadways in project area are pave.

Road Dust - All roadways are paved.

Construction Off-road Equipment Mitigation - Adherence to standard dust control plan per SCAQMD Rule 403.1.

1.1 Land Usage
Land Uses Size Metric Lot Acreage Floor Surface Area Population Single Family Housing 173.00 Dwelling Unit 29.03 311,400.00 573 Other Asphalt Surfaces 9.00 Acre 9.00 392,040.000

1.2 Other Project Characteristics
Urbanization
Climate Zone
Urban
15 Wind Speed (m/s) 3.4 Precipitation Freq (Days) 20

1.3 User Entered Comments & Non-Default Data

1.0 Project Characteristics
Utility Company Imperial Irrigation District
Operational Year 2023
CO2 Intensity
(lb/MWhr)
189.98 CH4 Intensity 0.033
(lb/MWhr)
N2O Intensity 0.004
(lb/MWhr)
CalEEMod Version: CalEEMod.2020.4.0 Page 1 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

Table Name Column Name Default Value New Value
tblConstructionPhase NumDays 55.00 160.00
tblConstructionPhase NumDays 740.00 450.00
tblConstructionPhase NumDays 75.00 30.00
tblConstructionPhase NumDays 55.00 30.00
tblConstructionPhase NumDays 30.00 20.00
tblConstructionPhase PhaseEndDate 6/18/2025 3/10/2023
tblConstructionPhase PhaseEndDate 1/15/2025 7/12/2023
tblConstructionPhase PhaseEndDate 3/16/2022 10/20/2021
tblConstructionPhase PhaseEndDate 4/2/2025 12/1/2021
tblConstructionPhase PhaseEndDate 12/1/2021 9/8/2021
tblConstructionPhase PhaseStartDate 4/3/2025 1/1/2023
tblConstructionPhase PhaseStartDate 3/17/2022 10/21/2021 tblConstructionPhase PhaseStartDate 12/2/2021 9/9/2021
tblConstructionPhase PhaseStartDate 1/16/2025 10/21/2021 tblConstructionPhase PhaseStartDate 10/21/2021 8/12/2021 tblGrading AcresOfGrading 90.00 225.00
tblGrading AcresOfGrading 30.00 45.00
tblLandUse LotAcreage 56.17 29.03
tblLandUse Population 559.00 573.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
CalEEMod Version: CalEEMod.2020.4.0 Page 2 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.0 Emissions Summary
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblRoadDust RoadPercentPave 50 100
CalEEMod Version: CalEEMod.2020.4.0 Page 3 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.1 Overall Construction (Maximum Daily Emission)
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Year lb/day lb/day
2021 5.0573 46.4594 40.2153 0.0797 20.6030 2.0453 22.6483 10.2283 1.8817 12.1100 0.0000 7,845.604 27,845.604 21.9483 0.2560 7,957.106 2 2022 2.6615 19.3546 24.1745 0.0551 2.3162 0.8553 3.1714 0.6239 0.8050 1.4289 0.0000 5,461.618 35,461.618 30.6792 0.2423 5,550.803 1 2023 28.1629 18.9216 26.4154 0.0601 2.6927 0.8005 3.4932 0.7238 0.7575 1.4812 0.0000 5,963.701 45,963.701 40.6952 0.2405 6,052.761 5 Maximum 28.1629 46.4594 40.2153 0.0797 20.6030 2.0453 22.6483 10.2283 1.8817 12.1100 0.0000 7,845.604 27,845.604 21.9483 0.2560 7,957.106 2 Unmitigated Construction
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Year lb/day lb/day
2021 5.0573 46.4594 40.2153 0.0797 8.1270 2.0453 10.1724 4.0134 1.8817 5.8951 0.0000 7,845.604 27,845.604 21.9483 0.2560 7,957.106 2 2022 2.6615 19.3546 24.1745 0.0551 2.3162 0.8553 3.1714 0.6239 0.8050 1.4289 0.0000 5,461.618 35,461.618 30.6792 0.2423 5,550.803 1 2023 28.1629 18.9216 26.4154 0.0601 2.6927 0.8005 3.4932 0.7238 0.7575 1.4812 0.0000 5,963.701 45,963.701 40.6952 0.2405 6,052.761 5 Maximum 28.1629 46.4594 40.2153 0.0797 8.1270 2.0453 10.1724 4.0134 1.8817 5.8951 0.0000 7,845.604 27,845.604 21.9483 0.2560 7,957.106 2 Mitigated Construction
CalEEMod Version: CalEEMod.2020.4.0 Page 4 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio-CO2 Total CO2 CH4 N20 CO2e
Percent
Reduction

0.00 0.00 0.00 0.00 48.71 0.00 42.56 53.69 0.00 41.38 0.00 0.00 0.00 0.00 0.00 0.00 CalEEMod Version: CalEEMod.2020.4.0 Page 5 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.2 Overall Operational
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Area 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Energy 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Mobile 3.7925 5.8557 35.0500 0.0739 7.7966 0.0618 7.8585 2.0792 0.0579 2.1371 7,601.016 07,601.016 00.4723 0.4354 7,742.562 4 Total 12.4543 8.7237 50.4772 0.0919 7.7966 0.3594 8.1561 2.0792 0.3555 2.4347 0.0000 11,077.93 45 11,077.93
45 0.5632 0.4986 11,240.60
77 Unmitigated Operational
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Area 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Energy 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Mobile 3.7925 5.8557 35.0500 0.0739 7.7966 0.0618 7.8585 2.0792 0.0579 2.1371 7,601.016 07,601.016 00.4723 0.4354 7,742.562 4 Total 12.4543 8.7237 50.4772 0.0919 7.7966 0.3594 8.1561 2.0792 0.3555 2.4347 0.0000 11,077.93 45 11,077.93
45 0.5632 0.4986 11,240.60
77 Mitigated Operational
CalEEMod Version: CalEEMod.2020.4.0 Page 6 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.0 Construction Detail
Construction Phase
Phase
Number
Phase Name Phase Type Start Date End Date Num Days
Week
Num Days Phase Description
1 Site Preparation Site Preparation 8/12/2021 9/8/20215 20 2 Grading Grading 9/9/2021 10/20/20215 30
3 Building Construction Building Construction 10/21/2021 7/12/20235 450 4 Paving Paving 10/21/2021 12/1/20215 30
5 Architectural Coating Architectural Coating 1/1/2023 3/10/20235 160 OffRoad Equipment
Phase Name Offroad Equipment Type Amount Usage Hours Horse Power Load Factor Architectural Coating Air Compressors1 6.00 78 0.48
Building Construction Cranes1 7.00 231 0.29
Grading Excavators2 8.00 158 0.38
Building Construction Forklifts3 8.00 89 0.20
Building Construction Generator Sets1 8.00 84 0.74
Grading Graders1 8.00 187 0.41
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio-CO2 Total CO2 CH4 N20 CO2e
Percent
Reduction

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Residential Indoor: 630,585; Residential Outdoor: 210,195; Non-Residential Indoor: 0; Non-Residential Outdoor: 0; Striped Parking Area:
23,522 (Architectural Coating – sqft)
Acres of Grading (Site Preparation Phase): 45
Acres of Grading (Grading Phase): 225
Acres of Paving: 9
CalEEMod Version: CalEEMod.2020.4.0 Page 7 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.1 Mitigation Measures Construction
Water Exposed Area
Paving Pavers2 8.00 130 0.42
Paving Paving Equipment2 8.00 132 0.36
Paving Rollers2 8.00 80 0.38
Grading Rubber Tired Dozers1 8.00 247 0.40
Site Preparation Rubber Tired Dozers3 8.00 247 0.40
Grading Scrapers2 8.00 367 0.48
Building Construction Tractors/Loaders/Backhoes3 7.00 97 0.37 Grading Tractors/Loaders/Backhoes2 8.00 97 0.37
Site Preparation Tractors/Loaders/Backhoes4 8.00 97 0.37 Building Construction Welders1 8.00 46 0.45
Trips and VMT
Phase Name Offroad Equipment
Count
Worker Trip
Number
Vendor Trip
Number
Hauling Trip
Number
Worker Trip
Length
Vendor Trip
Length
Hauling Trip
Length
Worker Vehicle
Class
Vendor
Vehicle Class
Hauling
Vehicle Class
Site Preparation7 18.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Grading8 20.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Building Construction9 227.00 83.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Paving6 15.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Architectural Coating1 45.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT CalEEMod Version: CalEEMod.2020.4.0 Page 8 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.2 Site Preparation - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Fugitive Dust 20.4524 0.0000 20.4524 10.1883 0.0000 10.1883 0.0000 0.0000 Off-Road 3.8882 40.4971 21.1543 0.0380 2.0445 2.0445 1.8809 1.8809 3,685.656 93,685.656 91.1920 3,715.457 3 Total 3.8882 40.4971 21.1543 0.0380 20.4524 2.0445 22.4968 10.1883 1.8809 12.0692 3,685.656 93,685.656 91.1920 3,715.457 3 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0698 0.0536 0.5478 1.2700e0030.1506 8.5000e0040.1515 0.0400 7.9000e0040.0407 128.3378 128.3378 4.9700e0034.6600e003129.8504 Total 0.0698 0.0536 0.5478 1.2700e0030.1506 8.5000e0040.1515 0.0400 7.9000e0040.0407 128.3378 128.3378 4.9700e0034.6600e003129.8504 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 9 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.2 Site Preparation - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Fugitive Dust 7.9764 0.0000 7.9764 3.9735 0.0000 3.9735 0.0000 0.0000 Off-Road 3.8882 40.4971 21.1543 0.0380 2.0445 2.0445 1.8809 1.8809 0.0000 3,685.656 93,685.656 91.1920 3,715.457 3 Total 3.8882 40.4971 21.1543 0.0380 7.9764 2.0445 10.0209 3.9735 1.8809 5.8544 0.0000 3,685.656 93,685.656 91.1920 3,715.457 3 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0698 0.0536 0.5478 1.2700e0030.1506 8.5000e0040.1515 0.0400 7.9000e0040.0407 128.3378 128.3378 4.9700e0034.6600e003129.8504 Total 0.0698 0.0536 0.5478 1.2700e0030.1506 8.5000e0040.1515 0.0400 7.9000e0040.0407 128.3378 128.3378 4.9700e0034.6600e003129.8504 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 10 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.3 Grading - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Fugitive Dust 13.9758 0.0000 13.9758 4.1691 0.0000 4.1691 0.0000 0.0000 Off-Road 4.1912 46.3998 30.8785 0.0620 1.9853 1.9853 1.8265 1.8265 6,007.043 46,007.043 41.9428 6,055.613 4 Total 4.1912 46.3998 30.8785 0.0620 13.9758 1.9853 15.9612 4.1691 1.8265 5.9956 6,007.043 46,007.043 41.9428 6,055.613 4 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0776 0.0596 0.6086 1.4100e0030.1673 9.5000e0040.1683 0.0444 8.7000e0040.0453 142.5975 142.5975 5.5200e0035.1800e003144.2783 Total 0.0776 0.0596 0.6086 1.4100e0030.1673 9.5000e0040.1683 0.0444 8.7000e0040.0453 142.5975 142.5975 5.5200e0035.1800e003144.2783 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 11 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.3 Grading - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Fugitive Dust 5.4506 0.0000 5.4506 1.6259 0.0000 1.6259 0.0000 0.0000 Off-Road 4.1912 46.3998 30.8785 0.0620 1.9853 1.9853 1.8265 1.8265 0.0000 6,007.043 46,007.043 41.9428 6,055.613 4 Total 4.1912 46.3998 30.8785 0.0620 5.4506 1.9853 7.4359 1.6259 1.8265 3.4524 0.0000 6,007.043 46,007.043 41.9428 6,055.613 4 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0776 0.0596 0.6086 1.4100e0030.1673 9.5000e0040.1683 0.0444 8.7000e0040.0453 142.5975 142.5975 5.5200e0035.1800e003144.2783 Total 0.0776 0.0596 0.6086 1.4100e0030.1673 9.5000e0040.1683 0.0444 8.7000e0040.0453 142.5975 142.5975 5.5200e0035.1800e003144.2783 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 12 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.9009 17.4321 16.5752 0.0269 0.9586 0.9586 0.9013 0.9013 2,553.363 92,553.363 90.6160 2,568.764 3 Total 1.9009 17.4321 16.5752 0.0269 0.9586 0.9586 0.9013 0.9013 2,553.363 92,553.363 90.6160 2,568.764 3 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1764 3.6728 1.6223 0.0129 0.4170 0.0616 0.4786 0.1201 0.0589 0.1791 1,359.599 21,359.599 20.0125 0.1933 1,417.517 8 Worker 0.8803 0.6759 6.9080 0.0160 1.8992 0.0108 1.9100 0.5038 9.9300e0030.5137 1,618.482 01,618.482 00.0627 0.0588 1,637.558 2 Total 1.0567 4.3488 8.5304 0.0289 2.3162 0.0724 2.3886 0.6239 0.0689 0.6928 2,978.081 22,978.081 20.0752 0.2521 3,055.076 0 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 13 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.9009 17.4321 16.5752 0.0269 0.9586 0.9586 0.9013 0.9013 0.0000 2,553.363 92,553.363 90.6160 2,568.764 3 Total 1.9009 17.4321 16.5752 0.0269 0.9586 0.9586 0.9013 0.9013 0.0000 2,553.363 92,553.363 90.6160 2,568.764 3 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1764 3.6728 1.6223 0.0129 0.4170 0.0616 0.4786 0.1201 0.0589 0.1791 1,359.599 21,359.599 20.0125 0.1933 1,417.517 8 Worker 0.8803 0.6759 6.9080 0.0160 1.8992 0.0108 1.9100 0.5038 9.9300e0030.5137 1,618.482 01,618.482 00.0627 0.0588 1,637.558 2 Total 1.0567 4.3488 8.5304 0.0289 2.3162 0.0724 2.3886 0.6239 0.0689 0.6928 2,978.081 22,978.081 20.0752 0.2521 3,055.076 0 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 14 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2022
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.7062 15.6156 16.3634 0.0269 0.8090 0.8090 0.7612 0.7612 2,554.333 62,554.333 60.6120 2,569.632 2 Total 1.7062 15.6156 16.3634 0.0269 0.8090 0.8090 0.7612 0.7612 2,554.333 62,554.333 60.6120 2,569.632 2 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1398 3.1443 1.5079 0.0126 0.4170 0.0362 0.4532 0.1201 0.0346 0.1548 1,332.428 41,332.428 40.0109 0.1884 1,388.853 6 Worker 0.8155 0.5947 6.3032 0.0155 1.8992 0.0100 1.9093 0.5038 9.2500e0030.5130 1,574.856 31,574.856 30.0564 0.0539 1,592.317 4 Total 0.9553 3.7389 7.8111 0.0281 2.3162 0.0462 2.3624 0.6239 0.0439 0.6678 2,907.284 72,907.284 70.0673 0.2423 2,981.170 9 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 15 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2022
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.7062 15.6156 16.3634 0.0269 0.8090 0.8090 0.7612 0.7612 0.0000 2,554.333 62,554.333 60.6120 2,569.632 2 Total 1.7062 15.6156 16.3634 0.0269 0.8090 0.8090 0.7612 0.7612 0.0000 2,554.333 62,554.333 60.6120 2,569.632 2 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1398 3.1443 1.5079 0.0126 0.4170 0.0362 0.4532 0.1201 0.0346 0.1548 1,332.428 41,332.428 40.0109 0.1884 1,388.853 6 Worker 0.8155 0.5947 6.3032 0.0155 1.8992 0.0100 1.9093 0.5038 9.2500e0030.5130 1,574.856 31,574.856 30.0564 0.0539 1,592.317 4 Total 0.9553 3.7389 7.8111 0.0281 2.3162 0.0462 2.3624 0.6239 0.0439 0.6678 2,907.284 72,907.284 70.0673 0.2423 2,981.170 9 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 16 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.5728 14.3849 16.2440 0.0269 0.6997 0.6997 0.6584 0.6584 2,555.209 92,555.209 90.6079 2,570.406 1 Total 1.5728 14.3849 16.2440 0.0269 0.6997 0.6997 0.6584 0.6584 2,555.209 92,555.209 90.6079 2,570.406 1 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1125 2.6049 1.4346 0.0122 0.4170 0.0187 0.4356 0.1201 0.0179 0.1380 1,289.634 31,289.634 39.6400e0030.1811 1,343.856 3 Worker 0.7574 0.5248 5.7799 0.0150 1.8992 9.4000e0031.9086 0.5038 8.6500e0030.5124 1,533.426 01,533.426 00.0508 0.0496 1,549.467 1 Total 0.8699 3.1297 7.2145 0.0272 2.3162 0.0281 2.3443 0.6239 0.0265 0.6504 2,823.060 32,823.060 30.0605 0.2307 2,893.323 4 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 17 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.5728 14.3849 16.2440 0.0269 0.6997 0.6997 0.6584 0.6584 0.0000 2,555.209 92,555.209 90.6079 2,570.406 1 Total 1.5728 14.3849 16.2440 0.0269 0.6997 0.6997 0.6584 0.6584 0.0000 2,555.209 92,555.209 90.6079 2,570.406 1 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.1125 2.6049 1.4346 0.0122 0.4170 0.0187 0.4356 0.1201 0.0179 0.1380 1,289.634 31,289.634 39.6400e0030.1811 1,343.856 3 Worker 0.7574 0.5248 5.7799 0.0150 1.8992 9.4000e0031.9086 0.5038 8.6500e0030.5124 1,533.426 01,533.426 00.0508 0.0496 1,549.467 1 Total 0.8699 3.1297 7.2145 0.0272 2.3162 0.0281 2.3443 0.6239 0.0265 0.6504 2,823.060 32,823.060 30.0605 0.2307 2,893.323 4 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 18 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.5 Paving - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.2556 12.9191 14.6532 0.0228 0.6777 0.6777 0.6235 0.6235 2,207.210 92,207.210 90.7139 2,225.057 3 Paving 0.7860 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Total 2.0416 12.9191 14.6532 0.0228 0.6777 0.6777 0.6235 0.6235 2,207.210 92,207.210 90.7139 2,225.057 3 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0582 0.0447 0.4565 1.0600e0030.1255 7.1000e0040.1262 0.0333 6.6000e0040.0339 106.9482 106.9482 4.1400e0033.8800e003108.2087 Total 0.0582 0.0447 0.4565 1.0600e0030.1255 7.1000e0040.1262 0.0333 6.6000e0040.0339 106.9482 106.9482 4.1400e0033.8800e003108.2087 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 19 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.5 Paving - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Off-Road 1.2556 12.9191 14.6532 0.0228 0.6777 0.6777 0.6235 0.6235 0.0000 2,207.210 92,207.210 90.7139 2,225.057 3 Paving 0.7860 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Total 2.0416 12.9191 14.6532 0.0228 0.6777 0.6777 0.6235 0.6235 0.0000 2,207.210 92,207.210 90.7139 2,225.057 3 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.0582 0.0447 0.4565 1.0600e0030.1255 7.1000e0040.1262 0.0333 6.6000e0040.0339 106.9482 106.9482 4.1400e0033.8800e003108.2087 Total 0.0582 0.0447 0.4565 1.0600e0030.1255 7.1000e0040.1262 0.0333 6.6000e0040.0339 106.9482 106.9482 4.1400e0033.8800e003108.2087 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 20 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.6 Architectural Coating - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Archit. Coating 25.3785 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 0.1917 1.3030 1.8111 2.9700e0030.0708 0.0708 0.0708 0.0708 281.4481 281.4481 0.0168 281.8690 Total 25.5701 1.3030 1.8111 2.9700e0030.0708 0.0708 0.0708 0.0708 281.4481 281.4481 0.0168 281.8690 Unmitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.1501 0.1040 1.1458 2.9700e0030.3765 1.8600e0030.3784 0.0999 1.7100e0030.1016 303.9831 303.9831 0.0101 9.8300e003307.1631 Total 0.1501 0.1040 1.1458 2.9700e0030.3765 1.8600e0030.3784 0.0999 1.7100e0030.1016 303.9831 303.9831 0.0101 9.8300e003307.1631 Unmitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 21 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.6 Architectural Coating - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Archit. Coating 25.3785 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 0.1917 1.3030 1.8111 2.9700e0030.0708 0.0708 0.0708 0.0708 0.0000 281.4481 281.4481 0.0168 281.8690 Total 25.5701 1.3030 1.8111 2.9700e0030.0708 0.0708 0.0708 0.0708 0.0000 281.4481 281.4481 0.0168 281.8690 Mitigated Construction On-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 0.1501 0.1040 1.1458 2.9700e0030.3765 1.8600e0030.3784 0.0999 1.7100e0030.1016 303.9831 303.9831 0.0101 9.8300e003307.1631 Total 0.1501 0.1040 1.1458 2.9700e0030.3765 1.8600e0030.3784 0.0999 1.7100e0030.1016 303.9831 303.9831 0.0101 9.8300e003307.1631 Mitigated Construction Off-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 22 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

4.0 Operational Detail - Mobile
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Mitigated 3.7925 5.8557 35.0500 0.0739 7.7966 0.0618 7.8585 2.0792 0.0579 2.1371 7,601.016 07,601.016 00.4723 0.4354 7,742.562 4 Unmitigated 3.7925 5.8557 35.0500 0.0739 7.7966 0.0618 7.8585 2.0792 0.0579 2.1371 7,601.016 07,601.016 00.4723 0.4354 7,742.562 4

4.1 Mitigation Measures Mobile

4.2 Trip Summary Information

4.3 Trip Type Information
Average Daily Trip Rate Unmitigated Mitigated
Land Use Weekday Saturday Sunday Annual VMT Annual VMT
Other Asphalt Surfaces 0.00 0.00 0.00
Single Family Housing 1,633.12 1,650.42 1479.15 3,609,486 3,609,486 Total 1,633.12 1,650.42 1,479.15 3,609,486 3,609,486
Miles Trip % Trip Purpose %
Land Use H-W or C-W H-S or C-C H-O or C-NW H-W or C-W H-S or C-C H-O or C-NW Primary Diverted Pass-by Other Asphalt Surfaces 12.50 4.20 5.40 0.00 0.00 0.00000 Single Family Housing 11.00 3.50 4.50 40.20 19.20 40.60 86 113

4.4 Fleet Mix
CalEEMod Version: CalEEMod.2020.4.0 Page 23 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

Land Use LDA LDT1 LDT2 MDV LHD1 LHD2 MHD HHD OBUS UBUS MCY SBUS MH Other Asphalt Surfaces 0.515135 0.060169 0.185335 0.147842 0.025432 0.007034 0.010598 0.020349 0.000855 0.000237 0.021941 0.000925 0.004146 Single Family Housing 0.515135 0.060169 0.185335 0.147842 0.025432 0.007034 0.010598 0.020349 0.000855 0.000237 0.021941 0.000925 0.004146

5.0 Energy Detail
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
NaturalGas
Mitigated

0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 NaturalGas
Unmitigated

0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0

5.1 Mitigation Measures Energy
Historical Energy Use: N
CalEEMod Version: CalEEMod.2020.4.0 Page 24 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

6.0 Area Detail

5.2 Energy by Land Use - NaturalGas
NaturalGa
s Use
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Land Use kBTU/yr lb/day lb/day
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Single Family
Housing
13407.2 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Total 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Unmitigated
NaturalGa
s Use
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Land Use kBTU/yr lb/day lb/day
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Single Family
Housing

13.4072 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Total 0.1446 1.2356 0.5258 7.8900e0030.0999 0.0999 0.0999 0.0999 1,577.321 71,577.321 70.0302 0.0289 1,586.695 0 Mitigated
CalEEMod Version: CalEEMod.2020.4.0 Page 25 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

6.1 Mitigation Measures Area
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category lb/day lb/day
Mitigated 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Unmitigated 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 CalEEMod Version: CalEEMod.2020.4.0 Page 26 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

6.2 Area by SubCategory
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
SubCategory lb/day lb/day
Architectural
Coating

1.1125 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Consumer
Products

6.8028 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Hearth 0.1718 1.4679 0.6246 9.3700e0030.1187 0.1187 0.1187 0.1187 0.0000 1,873.895 31,873.895 30.0359 0.0344 1,885.030 9 Landscaping 0.4302 0.1646 14.2768 7.5000e0040.0790 0.0790 0.0790 0.0790 25.7015 25.7015 0.0247 26.3195 Total 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Unmitigated
CalEEMod Version: CalEEMod.2020.4.0 Page 27 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

7.1 Mitigation Measures Water

7.0 Water Detail

6.2 Area by SubCategory
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
SubCategory lb/day lb/day
Architectural
Coating

1.1125 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Consumer
Products

6.8028 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Hearth 0.1718 1.4679 0.6246 9.3700e0030.1187 0.1187 0.1187 0.1187 0.0000 1,873.895 31,873.895 30.0359 0.0344 1,885.030 9 Landscaping 0.4302 0.1646 14.2768 7.5000e0040.0790 0.0790 0.0790 0.0790 25.7015 25.7015 0.0247 26.3195 Total 8.5172 1.6325 14.9015 0.0101 0.1977 0.1977 0.1977 0.1977 0.0000 1,899.596 81,899.596 80.0606 0.0344 1,911.350 4 Mitigated
CalEEMod Version: CalEEMod.2020.4.0 Page 28 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

11.0 Vegetation

8.1 Mitigation Measures Waste

8.0 Waste Detail

9.0 Operational Offroad
Equipment Type Number Hours/Day Days/Year Horse Power Load Factor Fuel Type

10.0 Stationary Equipment
Fire Pumps and Emergency Generators
Equipment Type Number Hours/Day Hours/Year Horse Power Load Factor Fuel Type Boilers
Equipment Type Number Heat Input/Day Heat Input/Year Boiler Rating Fuel Type User Defined Equipment
Equipment Type Number
CalEEMod Version: CalEEMod.2020.4.0 Page 29 of 29 Date: 8/12/2021 12:33 PM Coco Palms, Indio CA - Salton Sea Air Basin, Winter
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

Coco Palms, Indio CA
Salton Sea Air Basin, Annual
Project Characteristics -
Land Use - 173 single family residential development, assumes 3.31 persons per household for total of 573 persons (Dept. of Finance Table E-5, 2021).

Acreage based on TTM.

Construction Phase - Assumes 2 year buildout, operational year 2023. Minimal grading required, site previously graded. Assumes paving and arch. coating phases will overlap with building construction, and arch coating will occur gradually as units are completed.

Off-road Equipment - Assumes default construction equipment list.

Grading - Assumes cut/fill will balance on site per project earthwork calculations.

On-road Fugitive Dust - All roadways in project area are pave.

Road Dust - All roadways are paved.

Construction Off-road Equipment Mitigation - Adherence to standard dust control plan per SCAQMD Rule 403.1.

1.1 Land Usage
Land Uses Size Metric Lot Acreage Floor Surface Area Population Single Family Housing 173.00 Dwelling Unit 29.03 311,400.00 573 Other Asphalt Surfaces 9.00 Acre 9.00 392,040.000

1.2 Other Project Characteristics
Urbanization
Climate Zone
Urban
15 Wind Speed (m/s) 3.4 Precipitation Freq (Days) 20

1.3 User Entered Comments & Non-Default Data

1.0 Project Characteristics
Utility Company Imperial Irrigation District
Operational Year 2023
CO2 Intensity
(lb/MWhr)
189.98 CH4 Intensity 0.033
(lb/MWhr)
N2O Intensity 0.004
(lb/MWhr)
CalEEMod Version: CalEEMod.2020.4.0 Page 1 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

Table Name Column Name Default Value New Value
tblConstructionPhase NumDays 55.00 160.00
tblConstructionPhase NumDays 740.00 450.00
tblConstructionPhase NumDays 75.00 30.00
tblConstructionPhase NumDays 55.00 30.00
tblConstructionPhase NumDays 30.00 20.00
tblConstructionPhase PhaseEndDate 6/18/2025 3/10/2023
tblConstructionPhase PhaseEndDate 1/15/2025 7/12/2023
tblConstructionPhase PhaseEndDate 3/16/2022 10/20/2021
tblConstructionPhase PhaseEndDate 4/2/2025 12/1/2021
tblConstructionPhase PhaseEndDate 12/1/2021 9/8/2021
tblConstructionPhase PhaseStartDate 4/3/2025 1/1/2023
tblConstructionPhase PhaseStartDate 3/17/2022 10/21/2021 tblConstructionPhase PhaseStartDate 12/2/2021 9/9/2021
tblConstructionPhase PhaseStartDate 1/16/2025 10/21/2021 tblConstructionPhase PhaseStartDate 10/21/2021 8/12/2021 tblGrading AcresOfGrading 90.00 225.00
tblGrading AcresOfGrading 30.00 45.00
tblLandUse LotAcreage 56.17 29.03
tblLandUse Population 559.00 573.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust HaulingPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust VendorPercentPave 50.00 100.00
CalEEMod Version: CalEEMod.2020.4.0 Page 2 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.0 Emissions Summary
tblOnRoadDust VendorPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblOnRoadDust WorkerPercentPave 50.00 100.00
tblRoadDust RoadPercentPave 50 100
CalEEMod Version: CalEEMod.2020.4.0 Page 3 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.1 Overall Construction
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Year tons/yr MT/yr
2021 0.2138 1.8608 1.5928 3.1800e0030.4795 0.0872 0.5667 0.1820 0.0808 0.2628 0.0000 283.2153 283.2153 0.0634 6.0800e003286.6115 2022 0.3534 2.5050 3.2381 7.3000e0030.2976 0.1112 0.4088 0.0803 0.1046 0.1849 0.0000 656.9184 656.9184 0.0799 0.0284 667.3872 2023 0.8154 1.2377 1.7416 3.9600e0030.1673 0.0520 0.2193 0.0451 0.0491 0.0941 0.0000 356.9318 356.9318 0.0424 0.0146 362.3334 Maximum 0.8154 2.5050 3.2381 7.3000e0030.4795 0.1112 0.5667 0.1820 0.1046 0.2628 0.0000 656.9184 656.9184 0.0799 0.0284 667.3872 Unmitigated Construction
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Year tons/yr MT/yr
2021 0.2138 1.8608 1.5928 3.1800e0030.2269 0.0872 0.3141 0.0817 0.0808 0.1625 0.0000 283.2151 283.2151 0.0634 6.0800e003286.6113 2022 0.3534 2.5050 3.2381 7.3000e0030.2976 0.1112 0.4088 0.0803 0.1046 0.1849 0.0000 656.9180 656.9180 0.0799 0.0284 667.3868 2023 0.8154 1.2377 1.7416 3.9600e0030.1673 0.0520 0.2193 0.0451 0.0491 0.0941 0.0000 356.9316 356.9316 0.0424 0.0146 362.3332 Maximum 0.8154 2.5050 3.2381 7.3000e0030.2976 0.1112 0.4088 0.0817 0.1046 0.1849 0.0000 656.9180 656.9180 0.0799 0.0284 667.3868 Mitigated Construction
CalEEMod Version: CalEEMod.2020.4.0 Page 4 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio-CO2 Total CO2 CH4 N20 CO2e
Percent
Reduction

0.00 0.00 0.00 0.00 26.75 0.00 21.14 32.63 0.00 18.51 0.00 0.00 0.00 0.00 0.00 0.00 Quarter Start Date End Date Maximum Unmitigated ROG + NOX (tons/quarter) Maximum Mitigated ROG + NOX (tons/quarter) 1 8-12-2021 11-11-2021 1.5191 1.5191 2 11-12-2021 2-11-2022 0.8796 0.8796 3 2-12-2022 5-11-2022 0.7000 0.7000 4 5-12-2022 8-11-2022 0.7239 0.7239 5 8-12-2022 11-11-2022 0.7237 0.7237 6 11-12-2022 2-11-2023 1.0994 1.0994 7 2-12-2023 5-11-2023 0.8963 0.8963 8 5-12-2023 8-11-2023 0.4425 0.4425 Highest 1.5191 1.5191
CalEEMod Version: CalEEMod.2020.4.0 Page 5 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.2 Overall Operational
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Area 1.4836 0.0180 1.2863 9.0000e0057.3700e0037.3700e0037.3700e0037.3700e0030.0000 5.7534 5.7534 2.0900e0037.0000e0055.8256 Energy 0.0264 0.2255 0.0960 1.4400e0030.0182 0.0182 0.0182 0.0182 0.0000 379.8805 379.8805 0.0256 7.2900e003382.6930 Mobile 0.7910 1.0094 6.4959 0.0138 1.3710 0.0110 1.3820 0.3660 0.0103 0.3763 0.0000 1,287.903 91,287.903 90.0723 0.0691 1,310.291 0 Waste 0.0000 0.0000 0.0000 0.0000 47.6887 0.0000 47.6887 2.8183 0.0000 118.1467 Water 0.0000 0.0000 0.0000 0.0000 3.5760 19.4508 23.0267 0.3707 9.0800e00334.9998 Total 2.3010 1.2528 7.8781 0.0153 1.3710 0.0366 1.4076 0.3660 0.0359 0.4019 51.2646 1,692.988 61,744.253 23.2890 0.0855 1,851.956 0 Unmitigated Operational
CalEEMod Version: CalEEMod.2020.4.0 Page 6 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

2.2 Overall Operational
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Area 1.4836 0.0180 1.2863 9.0000e0057.3700e0037.3700e0037.3700e0037.3700e0030.0000 5.7534 5.7534 2.0900e0037.0000e0055.8256 Energy 0.0264 0.2255 0.0960 1.4400e0030.0182 0.0182 0.0182 0.0182 0.0000 379.8805 379.8805 0.0256 7.2900e003382.6930 Mobile 0.7910 1.0094 6.4959 0.0138 1.3710 0.0110 1.3820 0.3660 0.0103 0.3763 0.0000 1,287.903 91,287.903 90.0723 0.0691 1,310.291 0 Waste 0.0000 0.0000 0.0000 0.0000 47.6887 0.0000 47.6887 2.8183 0.0000 118.1467 Water 0.0000 0.0000 0.0000 0.0000 3.5760 19.4508 23.0267 0.3707 9.0800e00334.9998 Total 2.3010 1.2528 7.8781 0.0153 1.3710 0.0366 1.4076 0.3660 0.0359 0.4019 51.2646 1,692.988 61,744.253 23.2890 0.0855 1,851.956 0 Mitigated Operational

3.0 Construction Detail
Construction Phase
Phase
Number
Phase Name Phase Type Start Date End Date Num Days
Week
Num Days Phase Description
1 Site Preparation Site Preparation 8/12/2021 9/8/20215 20 2 Grading Grading 9/9/2021 10/20/20215 30
3 Building Construction Building Construction 10/21/2021 7/12/20235 450 ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio-CO2 Total CO2 CH4 N20 CO2e
Percent
Reduction

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 CalEEMod Version: CalEEMod.2020.4.0 Page 7 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

4 Paving Paving 10/21/2021 12/1/2021
5 30
5 Architectural Coating Architectural Coating 1/1/2023 3/10/20235 160 OffRoad Equipment
Phase Name Offroad Equipment Type Amount Usage Hours Horse Power Load Factor Architectural Coating Air Compressors1 6.00 78 0.48
Building Construction Cranes1 7.00 231 0.29
Grading Excavators2 8.00 158 0.38
Building Construction Forklifts3 8.00 89 0.20
Building Construction Generator Sets1 8.00 84 0.74
Grading Graders1 8.00 187 0.41
Paving Pavers2 8.00 130 0.42
Paving Paving Equipment2 8.00 132 0.36
Paving Rollers2 8.00 80 0.38
Grading Rubber Tired Dozers1 8.00 247 0.40
Site Preparation Rubber Tired Dozers3 8.00 247 0.40
Grading Scrapers2 8.00 367 0.48
Building Construction Tractors/Loaders/Backhoes3 7.00 97 0.37 Grading Tractors/Loaders/Backhoes2 8.00 97 0.37
Site Preparation Tractors/Loaders/Backhoes4 8.00 97 0.37 Building Construction Welders1 8.00 46 0.45
Trips and VMT
Residential Indoor: 630,585; Residential Outdoor: 210,195; Non-Residential Indoor: 0; Non-Residential Outdoor: 0; Striped Parking Area:
23,522 (Architectural Coating – sqft)
Acres of Grading (Site Preparation Phase): 45
Acres of Grading (Grading Phase): 225
Acres of Paving: 9
CalEEMod Version: CalEEMod.2020.4.0 Page 8 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.2 Site Preparation - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Fugitive Dust 0.2045 0.0000 0.2045 0.1019 0.0000 0.1019 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 0.0389 0.4050 0.2115 3.8000e0040.0204 0.0204 0.0188 0.0188 0.0000 33.4357 33.4357 0.0108 0.0000 33.7061 Total 0.0389 0.4050 0.2115 3.8000e0040.2045 0.0204 0.2250 0.1019 0.0188 0.1207 0.0000 33.4357 33.4357 0.0108 0.0000 33.7061 Unmitigated Construction On-Site

3.1 Mitigation Measures Construction
Water Exposed Area
Phase Name Offroad Equipment
Count
Worker Trip
Number
Vendor Trip
Number
Hauling Trip
Number
Worker Trip
Length
Vendor Trip
Length
Hauling Trip
Length
Worker Vehicle
Class
Vendor
Vehicle Class
Hauling
Vehicle Class
Site Preparation7 18.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Grading8 20.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Building Construction9 227.00 83.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Paving6 15.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT Architectural Coating1 45.00 0.00 0.00 11.00 5.40 20.00 LD_Mix HDT_Mix HHDT CalEEMod Version: CalEEMod.2020.4.0 Page 9 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.2 Site Preparation - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 7.5000e0045.2000e0046.1600e0031.0000e0051.4900e0031.0000e0051.5000e0034.0000e0041.0000e0054.0000e0040.0000 1.2459 1.2459 4.0000e0054.0000e0051.2594 Total 7.5000e0045.2000e0046.1600e0031.0000e0051.4900e0031.0000e0051.5000e0034.0000e0041.0000e0054.0000e0040.0000 1.2459 1.2459 4.0000e0054.0000e0051.2594 Unmitigated Construction Off-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Fugitive Dust 0.0798 0.0000 0.0798 0.0397 0.0000 0.0397 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 0.0389 0.4050 0.2115 3.8000e0040.0204 0.0204 0.0188 0.0188 0.0000 33.4357 33.4357 0.0108 0.0000 33.7060 Total 0.0389 0.4050 0.2115 3.8000e0040.0798 0.0204 0.1002 0.0397 0.0188 0.0585 0.0000 33.4357 33.4357 0.0108 0.0000 33.7060 Mitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 10 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.2 Site Preparation - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 7.5000e0045.2000e0046.1600e0031.0000e0051.4900e0031.0000e0051.5000e0034.0000e0041.0000e0054.0000e0040.0000 1.2459 1.2459 4.0000e0054.0000e0051.2594 Total 7.5000e0045.2000e0046.1600e0031.0000e0051.4900e0031.0000e0051.5000e0034.0000e0041.0000e0054.0000e0040.0000 1.2459 1.2459 4.0000e0054.0000e0051.2594 Mitigated Construction Off-Site

3.3 Grading - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Fugitive Dust 0.2096 0.0000 0.2096 0.0625 0.0000 0.0625 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 0.0629 0.6960 0.4632 9.3000e0040.0298 0.0298 0.0274 0.0274 0.0000 81.7425 81.7425 0.0264 0.0000 82.4034 Total 0.0629 0.6960 0.4632 9.3000e0040.2096 0.0298 0.2394 0.0625 0.0274 0.0899 0.0000 81.7425 81.7425 0.0264 0.0000 82.4034 Unmitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 11 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.3 Grading - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 1.2400e0038.7000e0040.0103 2.0000e0052.4800e0031.0000e0052.4900e0036.6000e0041.0000e0056.7000e0040.0000 2.0766 2.0766 7.0000e0057.0000e0052.0990 Total 1.2400e0038.7000e0040.0103 2.0000e0052.4800e0031.0000e0052.4900e0036.6000e0041.0000e0056.7000e0040.0000 2.0766 2.0766 7.0000e0057.0000e0052.0990 Unmitigated Construction Off-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Fugitive Dust 0.0818 0.0000 0.0818 0.0244 0.0000 0.0244 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 0.0629 0.6960 0.4632 9.3000e0040.0298 0.0298 0.0274 0.0274 0.0000 81.7424 81.7424 0.0264 0.0000 82.4033 Total 0.0629 0.6960 0.4632 9.3000e0040.0818 0.0298 0.1115 0.0244 0.0274 0.0518 0.0000 81.7424 81.7424 0.0264 0.0000 82.4033 Mitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 12 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.3 Grading - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 1.2400e0038.7000e0040.0103 2.0000e0052.4800e0031.0000e0052.4900e0036.6000e0041.0000e0056.7000e0040.0000 2.0766 2.0766 7.0000e0057.0000e0052.0990 Total 1.2400e0038.7000e0040.0103 2.0000e0052.4800e0031.0000e0052.4900e0036.6000e0041.0000e0056.7000e0040.0000 2.0766 2.0766 7.0000e0057.0000e0052.0990 Mitigated Construction Off-Site

3.4 Building Construction - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Off-Road 0.0494 0.4532 0.4310 7.0000e0040.0249 0.0249 0.0234 0.0234 0.0000 60.2257 60.2257 0.0145 0.0000 60.5889 Total 0.0494 0.4532 0.4310 7.0000e0040.0249 0.0249 0.0234 0.0234 0.0000 60.2257 60.2257 0.0145 0.0000 60.5889 Unmitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 13 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 4.6700e0030.0936 0.0412 3.4000e0040.0107 1.6000e0030.0123 3.1000e0031.5300e0034.6300e0030.0000 32.0435 32.0435 3.0000e0044.5500e00333.4074 Worker 0.0244 0.0171 0.2020 4.4000e0040.0488 2.8000e0040.0491 0.0130 2.6000e0040.0132 0.0000 40.8528 40.8528 1.4400e0031.3600e00341.2949 Total 0.0291 0.1108 0.2432 7.8000e0040.0595 1.8800e0030.0614 0.0161 1.7900e0030.0178 0.0000 72.8963 72.8963 1.7400e0035.9100e00374.7023 Unmitigated Construction Off-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Off-Road 0.0494 0.4532 0.4310 7.0000e0040.0249 0.0249 0.0234 0.0234 0.0000 60.2256 60.2256 0.0145 0.0000 60.5889 Total 0.0494 0.4532 0.4310 7.0000e0040.0249 0.0249 0.0234 0.0234 0.0000 60.2256 60.2256 0.0145 0.0000 60.5889 Mitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 14 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 4.6700e0030.0936 0.0412 3.4000e0040.0107 1.6000e0030.0123 3.1000e0031.5300e0034.6300e0030.0000 32.0435 32.0435 3.0000e0044.5500e00333.4074 Worker 0.0244 0.0171 0.2020 4.4000e0040.0488 2.8000e0040.0491 0.0130 2.6000e0040.0132 0.0000 40.8528 40.8528 1.4400e0031.3600e00341.2949 Total 0.0291 0.1108 0.2432 7.8000e0040.0595 1.8800e0030.0614 0.0161 1.7900e0030.0178 0.0000 72.8963 72.8963 1.7400e0035.9100e00374.7023 Mitigated Construction Off-Site

3.4 Building Construction - 2022
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Off-Road 0.2218 2.0300 2.1272 3.5000e0030.1052 0.1052 0.0990 0.0990 0.0000 301.2428 301.2428 0.0722 0.0000 303.0471 Total 0.2218 2.0300 2.1272 3.5000e0030.1052 0.1052 0.0990 0.0990 0.0000 301.2428 301.2428 0.0722 0.0000 303.0471 Unmitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 15 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2022
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0186 0.3996 0.1912 1.6400e0030.0537 4.6900e0030.0584 0.0155 4.4900e0030.0200 0.0000 156.9637 156.9637 1.3000e0030.0222 163.6052 Worker 0.1130 0.0754 0.9196 2.1500e0030.2440 1.3100e0030.2453 0.0648 1.2000e0030.0660 0.0000 198.7119 198.7119 6.4500e0036.2500e003200.7349 Total 0.1316 0.4750 1.1108 3.7900e0030.2976 6.0000e0030.3036 0.0803 5.6900e0030.0860 0.0000 355.6756 355.6756 7.7500e0030.0284 364.3401 Unmitigated Construction Off-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Off-Road 0.2218 2.0300 2.1272 3.5000e0030.1052 0.1052 0.0990 0.0990 0.0000 301.2425 301.2425 0.0722 0.0000 303.0467 Total 0.2218 2.0300 2.1272 3.5000e0030.1052 0.1052 0.0990 0.0990 0.0000 301.2425 301.2425 0.0722 0.0000 303.0467 Mitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 16 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2022
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0186 0.3996 0.1912 1.6400e0030.0537 4.6900e0030.0584 0.0155 4.4900e0030.0200 0.0000 156.9637 156.9637 1.3000e0030.0222 163.6052 Worker 0.1130 0.0754 0.9196 2.1500e0030.2440 1.3100e0030.2453 0.0648 1.2000e0030.0660 0.0000 198.7119 198.7119 6.4500e0036.2500e003200.7349 Total 0.1316 0.4750 1.1108 3.7900e0030.2976 6.0000e0030.3036 0.0803 5.6900e0030.0860 0.0000 355.6756 355.6756 7.7500e0030.0284 364.3401 Mitigated Construction Off-Site

3.4 Building Construction - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Off-Road 0.1085 0.9926 1.1208 1.8600e0030.0483 0.0483 0.0454 0.0454 0.0000 159.9453 159.9453 0.0381 0.0000 160.8965 Total 0.1085 0.9926 1.1208 1.8600e0030.0483 0.0483 0.0454 0.0454 0.0000 159.9453 159.9453 0.0381 0.0000 160.8965 Unmitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 17 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 8.0600e0030.1747 0.0967 8.4000e0040.0285 1.2900e0030.0298 8.2200e0031.2300e0039.4500e0030.0000 80.5557 80.5557 6.2000e0040.0113 83.9395 Worker 0.0556 0.0353 0.4467 1.1100e0030.1295 6.5000e0040.1301 0.0344 6.0000e0040.0350 0.0000 102.6732 102.6732 3.0800e0033.0500e003103.6594 Total 0.0636 0.2100 0.5434 1.9500e0030.1580 1.9400e0030.1599 0.0426 1.8300e0030.0444 0.0000 183.2288 183.2288 3.7000e0030.0144 187.5989 Unmitigated Construction Off-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Off-Road 0.1085 0.9926 1.1208 1.8600e0030.0483 0.0483 0.0454 0.0454 0.0000 159.9451 159.9451 0.0381 0.0000 160.8963 Total 0.1085 0.9926 1.1208 1.8600e0030.0483 0.0483 0.0454 0.0454 0.0000 159.9451 159.9451 0.0381 0.0000 160.8963 Mitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 18 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.4 Building Construction - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 8.0600e0030.1747 0.0967 8.4000e0040.0285 1.2900e0030.0298 8.2200e0031.2300e0039.4500e0030.0000 80.5557 80.5557 6.2000e0040.0113 83.9395 Worker 0.0556 0.0353 0.4467 1.1100e0030.1295 6.5000e0040.1301 0.0344 6.0000e0040.0350 0.0000 102.6732 102.6732 3.0800e0033.0500e003103.6594 Total 0.0636 0.2100 0.5434 1.9500e0030.1580 1.9400e0030.1599 0.0426 1.8300e0030.0444 0.0000 183.2288 183.2288 3.7000e0030.0144 187.5989 Mitigated Construction Off-Site

3.5 Paving - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Off-Road 0.0188 0.1938 0.2198 3.4000e0040.0102 0.0102 9.3500e0039.3500e0030.0000 30.0352 30.0352 9.7100e0030.0000 30.2781 Paving 0.0118 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Total 0.0306 0.1938 0.2198 3.4000e0040.0102 0.0102 9.3500e0039.3500e0030.0000 30.0352 30.0352 9.7100e0030.0000 30.2781 Unmitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 19 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.5 Paving - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 9.3000e0046.5000e0047.7000e0032.0000e0051.8600e0031.0000e0051.8700e0034.9000e0041.0000e0055.0000e0040.0000 1.5574 1.5574 5.0000e0055.0000e0051.5743 Total 9.3000e0046.5000e0047.7000e0032.0000e0051.8600e0031.0000e0051.8700e0034.9000e0041.0000e0055.0000e0040.0000 1.5574 1.5574 5.0000e0055.0000e0051.5743 Unmitigated Construction Off-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Off-Road 0.0188 0.1938 0.2198 3.4000e0040.0102 0.0102 9.3500e0039.3500e0030.0000 30.0352 30.0352 9.7100e0030.0000 30.2780 Paving 0.0118 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Total 0.0306 0.1938 0.2198 3.4000e0040.0102 0.0102 9.3500e0039.3500e0030.0000 30.0352 30.0352 9.7100e0030.0000 30.2780 Mitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 20 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.5 Paving - 2021
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 9.3000e0046.5000e0047.7000e0032.0000e0051.8600e0031.0000e0051.8700e0034.9000e0041.0000e0055.0000e0040.0000 1.5574 1.5574 5.0000e0055.0000e0051.5743 Total 9.3000e0046.5000e0047.7000e0032.0000e0051.8600e0031.0000e0051.8700e0034.9000e0041.0000e0055.0000e0040.0000 1.5574 1.5574 5.0000e0055.0000e0051.5743 Mitigated Construction Off-Site

3.6 Architectural Coating - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Archit. Coating 0.6345 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 4.7900e0030.0326 0.0453 7.0000e0051.7700e0031.7700e0031.7700e0031.7700e0030.0000 6.3831 6.3831 3.8000e0040.0000 6.3927 Total 0.6393 0.0326 0.0453 7.0000e0051.7700e0031.7700e0031.7700e0031.7700e0030.0000 6.3831 6.3831 3.8000e0040.0000 6.3927 Unmitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 21 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.6 Architectural Coating - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 3.9900e0032.5400e0030.0321 8.0000e0059.3000e0035.0000e0059.3500e0032.4700e0034.0000e0052.5100e0030.0000 7.3745 7.3745 2.2000e0042.2000e0047.4454 Total 3.9900e0032.5400e0030.0321 8.0000e0059.3000e0035.0000e0059.3500e0032.4700e0034.0000e0052.5100e0030.0000 7.3745 7.3745 2.2000e0042.2000e0047.4454 Unmitigated Construction Off-Site
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Archit. Coating 0.6345 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Off-Road 4.7900e0030.0326 0.0453 7.0000e0051.7700e0031.7700e0031.7700e0031.7700e0030.0000 6.3831 6.3831 3.8000e0040.0000 6.3927 Total 0.6393 0.0326 0.0453 7.0000e0051.7700e0031.7700e0031.7700e0031.7700e0030.0000 6.3831 6.3831 3.8000e0040.0000 6.3927 Mitigated Construction On-Site
CalEEMod Version: CalEEMod.2020.4.0 Page 22 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

3.6 Architectural Coating - 2023
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Hauling 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Vendor 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Worker 3.9900e0032.5400e0030.0321 8.0000e0059.3000e0035.0000e0059.3500e0032.4700e0034.0000e0052.5100e0030.0000 7.3745 7.3745 2.2000e0042.2000e0047.4454 Total 3.9900e0032.5400e0030.0321 8.0000e0059.3000e0035.0000e0059.3500e0032.4700e0034.0000e0052.5100e0030.0000 7.3745 7.3745 2.2000e0042.2000e0047.4454 Mitigated Construction Off-Site

4.0 Operational Detail - Mobile

4.1 Mitigation Measures Mobile
CalEEMod Version: CalEEMod.2020.4.0 Page 23 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Mitigated 0.7910 1.0094 6.4959 0.0138 1.3710 0.0110 1.3820 0.3660 0.0103 0.3763 0.0000 1,287.903 91,287.903 90.0723 0.0691 1,310.291 0 Unmitigated 0.7910 1.0094 6.4959 0.0138 1.3710 0.0110 1.3820 0.3660 0.0103 0.3763 0.0000 1,287.903 91,287.903 90.0723 0.0691 1,310.291 0

4.2 Trip Summary Information

4.3 Trip Type Information
Average Daily Trip Rate Unmitigated Mitigated
Land Use Weekday Saturday Sunday Annual VMT Annual VMT
Other Asphalt Surfaces 0.00 0.00 0.00
Single Family Housing 1,633.12 1,650.42 1479.15 3,609,486 3,609,486 Total 1,633.12 1,650.42 1,479.15 3,609,486 3,609,486
Miles Trip % Trip Purpose %
Land Use H-W or C-W H-S or C-C H-O or C-NW H-W or C-W H-S or C-C H-O or C-NW Primary Diverted Pass-by Other Asphalt Surfaces 12.50 4.20 5.40 0.00 0.00 0.00000 Single Family Housing 11.00 3.50 4.50 40.20 19.20 40.60 86 113

4.4 Fleet Mix
Land Use LDA LDT1 LDT2 MDV LHD1 LHD2 MHD HHD OBUS UBUS MCY SBUS MH Other Asphalt Surfaces 0.515135 0.060169 0.185335 0.147842 0.025432 0.007034 0.010598 0.020349 0.000855 0.000237 0.021941 0.000925 0.004146 Single Family Housing 0.515135 0.060169 0.185335 0.147842 0.025432 0.007034 0.010598 0.020349 0.000855 0.000237 0.021941 0.000925 0.004146

5.0 Energy Detail
CalEEMod Version: CalEEMod.2020.4.0 Page 24 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Electricity
Mitigated

0.0000 0.0000 0.0000 0.0000 0.0000 118.7373 118.7373 0.0206 2.5000e003119.9979 Electricity
Unmitigated

0.0000 0.0000 0.0000 0.0000 0.0000 118.7373 118.7373 0.0206 2.5000e003119.9979 NaturalGas
Mitigated

0.0264 0.2255 0.0960 1.4400e0030.0182 0.0182 0.0182 0.0182 0.0000 261.1433 261.1433 5.0100e0034.7900e003262.6951 NaturalGas
Unmitigated

0.0264 0.2255 0.0960 1.4400e0030.0182 0.0182 0.0182 0.0182 0.0000 261.1433 261.1433 5.0100e0034.7900e003262.6951

5.1 Mitigation Measures Energy
Historical Energy Use: N
CalEEMod Version: CalEEMod.2020.4.0 Page 25 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

5.2 Energy by Land Use - NaturalGas
NaturalGa
s Use
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Land Use kBTU/yr tons/yr MT/yr
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Single Family
Housing

4.89364e
+006

0.0264 0.2255 0.0960 1.4400e0030.0182 0.0182 0.0182 0.0182 0.0000 261.1433 261.1433 5.0100e0034.7900e003262.6951 Total 0.0264 0.2255 0.0960 1.4400e0030.0182 0.0182 0.0182 0.0182 0.0000 261.1433 261.1433 5.0100e0034.7900e003262.6951 Unmitigated
NaturalGa
s Use
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Land Use kBTU/yr tons/yr MT/yr
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Single Family
Housing

4.89364e
+006

0.0264 0.2255 0.0960 1.4400e0030.0182 0.0182 0.0182 0.0182 0.0000 261.1433 261.1433 5.0100e0034.7900e003262.6951 Total 0.0264 0.2255 0.0960 1.4400e0030.0182 0.0182 0.0182 0.0182 0.0000 261.1433 261.1433 5.0100e0034.7900e003262.6951 Mitigated
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6.0 Area Detail

5.3 Energy by Land Use - Electricity
Electricity
Use
Total CO2 CH4 N2O CO2e
Land Use kWh/yr MT/yr
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000
Single Family
Housing

1.37789e
+006
118.7373 0.0206 2.5000e003119.9979
Total 118.7373 0.0206 2.5000e003119.9979
Unmitigated
Electricity
Use
Total CO2 CH4 N2O CO2e
Land Use kWh/yr MT/yr
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000
Single Family
Housing

1.37789e
+006
118.7373 0.0206 2.5000e003119.9979
Total 118.7373 0.0206 2.5000e003119.9979
Mitigated
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6.1 Mitigation Measures Area
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
Category tons/yr MT/yr
Mitigated 1.4836 0.0180 1.2863 9.0000e0057.3700e0037.3700e0037.3700e0037.3700e0030.0000 5.7534 5.7534 2.0900e0037.0000e0055.8256 Unmitigated 1.4836 0.0180 1.2863 9.0000e0057.3700e0037.3700e0037.3700e0037.3700e0030.0000 5.7534 5.7534 2.0900e0037.0000e0055.8256 CalEEMod Version: CalEEMod.2020.4.0 Page 28 of 34 Date: 8/12/2021 12:35 PM Coco Palms, Indio CA - Salton Sea Air Basin, Annual
EMFAC Off-Model Adjustment Factors for Gasoline Light Duty Vehicle to Account for the SAFE Vehicle Rule Applied

6.2 Area by SubCategory
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
SubCategory tons/yr MT/yr
Architectural
Coating

0.2030 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Consumer
Products

1.2415 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Hearth 3.7000e0043.1600e0031.3400e0032.0000e0052.6000e0042.6000e0042.6000e0042.6000e0040.0000 3.6549 3.6549 7.0000e0057.0000e0053.6767 Landscaping 0.0387 0.0148 1.2849 7.0000e0057.1100e0037.1100e0037.1100e0037.1100e0030.0000 2.0984 2.0984 2.0200e0030.0000 2.1489 Total 1.4836 0.0180 1.2863 9.0000e0057.3700e0037.3700e0037.3700e0037.3700e0030.0000 5.7534 5.7534 2.0900e0037.0000e0055.8256 Unmitigated
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7.1 Mitigation Measures Water

7.0 Water Detail

6.2 Area by SubCategory
ROG NOx CO SO2 Fugitive
PM10
Exhaust
PM10
PM10
Total
Fugitive
PM2.5
Exhaust
PM2.5
PM2.5
Total
Bio- CO2 NBio- CO2 Total CO2 CH4 N2O CO2e
SubCategory tons/yr MT/yr
Architectural
Coating

0.2030 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Consumer
Products

1.2415 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Hearth 3.7000e0043.1600e0031.3400e0032.0000e0052.6000e0042.6000e0042.6000e0042.6000e0040.0000 3.6549 3.6549 7.0000e0057.0000e0053.6767 Landscaping 0.0387 0.0148 1.2849 7.0000e0057.1100e0037.1100e0037.1100e0037.1100e0030.0000 2.0984 2.0984 2.0200e0030.0000 2.1489 Total 1.4836 0.0180 1.2863 9.0000e0057.3700e0037.3700e0037.3700e0037.3700e0030.0000 5.7534 5.7534 2.0900e0037.0000e0055.8256 Mitigated
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Total CO2 CH4 N2O CO2e
Category MT/yr
Mitigated 23.0267 0.3707 9.0800e00334.9998
Unmitigated 23.0267 0.3707 9.0800e00334.9998

7.2 Water by Land Use
Indoor/Out
door Use
Total CO2 CH4 N2O CO2e
Land Use Mgal MT/yr
Other Asphalt
Surfaces
0 / 0 0.0000 0.0000 0.0000 0.0000
Single Family
Housing

11.2716 /

7.10604

23.0267 0.3707 9.0800e00334.9998
Total 23.0267 0.3707 9.0800e00334.9998
Unmitigated
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7.2 Water by Land Use
Indoor/Out
door Use
Total CO2 CH4 N2O CO2e
Land Use Mgal MT/yr
Other Asphalt
Surfaces
0 / 0 0.0000 0.0000 0.0000 0.0000
Single Family
Housing

11.2716 /

7.10604

23.0267 0.3707 9.0800e00334.9998
Total 23.0267 0.3707 9.0800e00334.9998
Mitigated

8.1 Mitigation Measures Waste

8.0 Waste Detail
Total CO2 CH4 N2O CO2e
MT/yr
Mitigated 47.6887 2.8183 0.0000 118.1467
Unmitigated 47.6887 2.8183 0.0000 118.1467
Category/Year
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8.2 Waste by Land Use
Waste
Disposed
Total CO2 CH4 N2O CO2e
Land Use tons MT/yr
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000
Single Family
Housing
234.93 47.6887 2.8183 0.0000 118.1467
Total 47.6887 2.8183 0.0000 118.1467
Unmitigated
Waste
Disposed
Total CO2 CH4 N2O CO2e
Land Use tons MT/yr
Other Asphalt
Surfaces
0 0.0000 0.0000 0.0000 0.0000
Single Family
Housing
234.93 47.6887 2.8183 0.0000 118.1467
Total 47.6887 2.8183 0.0000 118.1467
Mitigated

9.0 Operational Offroad
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11.0 Vegetation
Equipment Type Number Hours/Day Days/Year Horse Power Load Factor Fuel Type

10.0 Stationary Equipment
Fire Pumps and Emergency Generators
Equipment Type Number Hours/Day Hours/Year Horse Power Load Factor Fuel Type Boilers
Equipment Type Number Heat Input/Day Heat Input/Year Boiler Rating Fuel Type User Defined Equipment
Equipment Type Number
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Initial Study/Mitigated Negative Declaration
City of Indio Coco Palms/TTM 38072
August 2021 Initial Study/Mitigated Negative Declaration 84 Appendix B
Traffic Impact Analysis

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TRAFFIC ANALYSIS

CITY OF INDIO
PREPARED BY:

John Kain, AICP
[email protected]
(949) 375‐2435
Marlie Whiteman, PE
[email protected]
(714) 585‐0574

Janette Cachola
[email protected]
JULY 30, 2021
14156‐03 Report

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TABLE OF CONTENTS
TABLE OF CONTENTS........................................................................................................................... III APPENDICES.........................................................................................................................................V LIST OF EXHIBITS................................................................................................................................VII LIST OF TABLES ................................................................................................................................... IX LIST OF ABBREVIATED TERMS ............................................................................................................. XI 1 EXECUTIVE SUMMARY ................................................................................................................ 1

1.1 Introduction .................................................................................................................................. 1

1.2 Description of Proposed Project................................................................................................... 1

1.3 Study Area and Analysis Scenarios................................................................................................ 1

1.4 Criteria for Determining Significant Impacts ................................................................................ 4

1.5 Summary of Findings..................................................................................................................... 5

1.6  Recommended Improvements .................................................................................................... 7

1.7 Vehicle Miles Traveled (VMT) ..................................................................................................... 11 2 PROPOSED DEVELOPMENT........................................................................................................ 13

2.1 Location....................................................................................................................................... 13

2.2 Land Use and Intensity................................................................................................................ 13

2.3 Project Access ............................................................................................................................. 13

2.4 Project Timing ............................................................................................................................. 13 3 AREA CONDITIONS.................................................................................................................... 15

3.1 Study Area................................................................................................................................... 15

3.2 Existing Land Uses....................................................................................................................... 15

3.3 Area Roadway System................................................................................................................. 15

3.4 Transit Service............................................................................................................................. 17

3.5 Active Transportation Facilities................................................................................................... 17

3.6 Traffic Volumes and Conditions.................................................................................................. 23

3.7 Level of Service Definitions and Analysis Methodologies........................................................... 27

3.8 Required Intersection Level of Service ....................................................................................... 28

3.9 Project Fair Share Calculation Methodology .............................................................................. 29

3.10 Existing Intersection Level of Service.......................................................................................... 29

3.11 Required Roadway Segment Level of Service............................................................................. 31

3.12 Existing Roadway Segment Level of Service ............................................................................... 31

3.13 Traffic Signal Warrants Analysis.................................................................................................. 33 4 PROJECTED FUTURE TRAFFIC..................................................................................................... 35

4.1 Project Trip Generation............................................................................................................... 35

4.2 Project Trip Distribution.............................................................................................................. 35

4.3 Modal Split.................................................................................................................................. 35

4.4 Trip Assignment .......................................................................................................................... 38

4.5 Cumulative Growth Traffic.......................................................................................................... 38

4.6 General Plan Buildout (2040) Volume Development.................................................................. 43 5 EAP (2023) TRAFFIC CONDITIONS .............................................................................................. 45

5.1 Roadway Improvements............................................................................................................. 45

5.2 EAP (2023) Traffic Volume Forecasts.......................................................................................... 45

5.3 EAP (2023) Intersection Operations Analysis.............................................................................. 45

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5.4 EAP (2023) Roadway Segment Capacity Analysis....................................................................... 51 6 EAPC (2023) TRAFFIC CONDITIONS ............................................................................................ 53

6.1 Roadway Improvements............................................................................................................. 53

6.2 EAPC (2023) Traffic Volume Forecasts........................................................................................ 53

6.3 EAPC (2023) Intersection Operations Analysis ........................................................................... 53

6.4 EAPC (2023) Roadway Segment Capacity Analysis..................................................................... 53 7 GENERAL PLAN BUILDOUT (2040) TRAFFIC CONDITIONS ........................................................... 59

7.1 Roadway Improvements............................................................................................................. 59

7.2 General Plan Buildout (2040) Without Project Traffic Volume Forecasts.................................. 59

7.3 General Plan Buildout (2040) With Project Traffic Volume Forecasts........................................ 59

7.4 Intersection Operations Analysis................................................................................................ 59

7.5 Roadway Segment Capacity Analysis.......................................................................................... 65 8 VEHICLE MILES TRAVELED (VMT)............................................................................................... 67 9 REFERENCES.............................................................................................................................. 69

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APPENDICES
APPENDIX 1.1:  APPROVED TRAFFIC STUDY SCOPING AGREEMENT APPENDIX 3.1:  EXISTING TRAFFIC COUNTS
APPENDIX 3.2:  EXISTING (2021) CONDITIONS  INTERSECTION OPERATIONS ANALYSIS WORKSHEETS APPENDIX 3.3:  TRAFFIC SIGNAL WARRANT  ANALYSIS WORKSHEETS APPENDIX 5.1:  EAP (2023) CONDITIONS  INTERSECTION OPERATIONS ANALYSIS WORKSHEETS APPENDIX 6.1:  EAPC (2023) CONDITIONS  INTERSECTION OPERATIONS ANALYSIS WORKSHEETS APPENDIX 7.1:  GENERAL PLAN BUILDOUT (2040) WITHOUT PROJECT CONDITIONS

INTERSECTION OPERATIONS ANALYSIS WORKSHEETS
APPENDIX 7.2:  GENERAL PLAN BUILDOUT (2040) WITH PROJECT CONDITIONS

INTERSECTION OPERATIONS ANALYSIS WORKSHEETS

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LIST OF EXHIBITS
EXHIBIT 1‐1: SITE PLAN......................................................................................................................... 2 EXHIBIT 1‐2: STUDY AREA .................................................................................................................... 3 EXHIBIT 1‐3: SUMMARY OF DEFICIENT INTERSECTIONS BY ANALYSIS SCENARIO .................................. 6 EXHIBIT 3‐1: EXISTING NUMBER OF THROUGH LANES AND INTERSECTION CONTROLS....................... 16 EXHIBIT 3‐2: CITY OF INDIO GENERAL PLAN ROADWAY DESIGNATIONS ............................................. 18 EXHIBIT 3‐3: CITY OF INDIO STREET ATTRIBUTES ................................................................................ 19 EXHIBIT 3‐4: EXISTING PEDESTRIAN AND BICYCLE FACILITIES ............................................................. 22 EXHIBIT 3‐5: CITY OF INDIO PLANNED BICYCLE NETWORK.................................................................. 24 EXHIBIT 3‐6: EXISTING (HYPOTHETICAL “NON‐COVID‐19” 2021) TRAFFIC VOLUMES ........................... 26 EXHIBIT 4‐1:  PROJECT TRIP DISTRIBUTION......................................................................................... 37 EXHIBIT 4‐2: PROJECT ONLY TRAFFIC VOLUMES ................................................................................. 39 EXHIBIT 4‐3: CUMULATIVE DEVELOPMENT MAP ................................................................................ 40 EXHIBIT 4‐4: CUMULATIVE DEVELOPMENT ONLY TRAFFIC VOLUMES ................................................. 41 EXHIBIT 5‐1: ESTIMATED TIERRA DEL SOL TRAFFIC VOLUMES ORIENTED TO AVENUE 49 .................... 47 EXHIBIT 5‐2: EXISTING PLUS AMBIENT PLUS PROJECT (2023) TRAFFIC VOLUMES................................ 48 EXHIBIT 5‐3: RECOMMENDED IMPROVEMENTS FOR EAP (2023) CONDITIONS.................................... 50 EXHIBIT 6‐1: EXISTING PLUS AMBIENT PLUS PROJECT PLUS CUMULATIVE (2023) TRAFFIC VOLUMES . 54 EXHIBIT 6‐2: RECOMMENDED IMPROVEMENTS FOR EAPC (2023) CONDITIONS.................................. 56 EXHIBIT 6‐3: INITIAL DRAFT CONCEPT STRIPING PLAN,
JACKSON STREET / ODLUM DRIVE – AVENUE 49 (CUMULATIVE PLUS PROJECT, 2023) .... 57 EXHIBIT 7‐1: GENERAL PLAN BUILDOUT (2040) WITHOUT PROJECT TRAFFIC VOLUMES ...................... 60 EXHIBIT 7‐2: GENERAL PLAN BUILDOUT (2040) WITH PROJECT TRAFFIC VOLUMES............................. 61 EXHIBIT 7‐3: RECOMMENDED IMPROVEMENTS FOR GENERAL PLAN BUILDOUT (2040) WITHOUT PROJECT CONDITIONS.................................................................................... 63 EXHIBIT 7‐4: RECOMMENDED IMPROVEMENTS FOR GENERAL PLAN BUILDOUT (2040) WITH PROJECT CONDITIONS .......................................................................................... 64

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LIST OF TABLES
TABLE 1‐1: INTERSECTION ANALYSIS LOCATIONS ................................................................................. 1 TABLE 1‐2: FAIR SHARE CALCULATIONS................................................................................................ 9 TABLE 3‐1: SIGNALIZED INTERSECTION LOS THRESHOLDS................................................................... 27 TABLE 3‐2: UNSIGNALIZED INTERSECTION DESCRIPTION OF LOS ........................................................ 28 TABLE 3‐3: IMPACT CRITERIA FOR INTERSECTIONS ALREADY OPERATING AT LOS “E” OR LOS “F”....... 29 TABLE 3‐4: INTERSECTION ANALYSIS FOR EXISTING (2021) CONDITIONS ............................................ 30 TABLE 3‐5: ROADWAY SEGMENT CAPACITY THRESHOLDS .................................................................. 31 TABLE 3‐6: ROADWAY VOLUME/CAPACITY ANALYSIS FOR EXISTING (2021) CONDITIONS .................. 32 TABLE 4‐1: PROJECT TRIP GENERATION SUMMARY............................................................................ 36 TABLE 4‐2: CUMULATIVE DEVELOPMENT LAND USE SUMMARY......................................................... 41 TABLE 5‐1: TIERRA DEL SOL TRIP GENERATION SUMMARY
(ESTIMATED TO BE ROUTED TO USE AVENUE 49 CONNECTION)........................................ 46 TABLE 5‐2: INTERSECTION ANALYSIS FOR EAP (2023) CONDITIONS .................................................... 49 TABLE 5‐3: ROADWAY VOLUME/CAPACITY ANALYSIS FOR EAP (2023) CONDITIONS........................... 52 TABLE 6‐1: INTERSECTION ANALYSIS FOR EAPC (2023) CONDITIONS................................................... 55 TABLE 6‐2: ROADWAY VOLUME/CAPACITY ANALYSIS FOR EAPC (2023) CONDITIONS......................... 58 TABLE 7‐1: INTERSECTION ANALYSIS FOR GENERAL PLAN BUILDOUT (2040) CONDITIONS.................. 62 TABLE 7‐2: ROADWAY VOLUME/CAPACITY ANALYSIS FOR
GENERAL PLAN BUILDOUT (2040) CONDITIONS ................................................................ 66

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LIST OF ABBREVIATED TERMS
(1) Reference
ADT Average Daily Traffic
Caltrans California Department of Transportation
CEQA California Environmental Quality Act
CVAG   Coachella Valley Association of Governments
DIF Development Impact Fee
DU Dwelling Units
EAP Existing Plus Ambient Growth Plus Project
EAPC Existing Plus Ambient Growth Plus Project Plus Cumulative GPBO General Plan Buildout
HCM Highway Capacity Manual
ITE Institute of Transportation Engineers
LOS Level of Service
PHF Peak Hour Factor
Project Tentative Tract 38072
sf Square Feet
TA Traffic Analysis
TUMF Transportation Mitigation Uniform Fee
tsf Thousand Square Feet
V/C Volume‐to‐Capacity
VMT Vehicles Miles Traveled
VPH Vehicles per Hour
WP With Project

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1 1 EXECUTIVE SUMMARY

1.1 INTRODUCTION
This report presents the results of the traffic analysis (TA) for the proposed Tentative Tract 38072 (“Project”) located east of Jackson Street and south of Odlum Drive (Avenue 49) in the City of Indio.

The purpose of this TA is to evaluate the potential circulation system deficiencies that may result from the development of the proposed amendment, and to recommend improvements to achieve acceptable circulation system operational conditions.   This focused TA has been prepared based in accordance with the County of Riverside’s Transportation Analysis Guidelines for Level of Service & Vehicle Miles Traveled (December 2020) as the City of Indio does not have its own LOS/VMT analysis guidelines. (1)  To ensure that this TA satisfies the City of Indio’s traffic study requirements, Urban Crossroads, Inc. prepared a traffic study scoping package for review by City staff.  The approved TA Scope is included in Appendix 1.1.

1.2 DESCRIPTION OF PROPOSED PROJECT
The Project consist of 173 single family residential units.  It is anticipated that the Project would be developed by year 2023.  A preliminary site plan of the proposed Project is shown in Exhibit 1‐1.  Access to Jackson Street from the Project will be provided via Plume Feather Drive and Avenue 49.

The proposed Project is anticipated to generate 1,633 trip‐ends per day with 128 AM peak hour trips and 171 PM peak hour trips.

1.3 STUDY AREA AND ANALYSIS SCENARIOS

1.3.1 INTERSECTIONS
The following study area intersections shown on Exhibit 1‐2 and listed in Table 1‐1 were selected for this TA based on consultation with City of Indio staff.

TABLE 1‐1: INTERSECTION ANALYSIS LOCATIONS
ID Intersection Location
1 Jackson Street / Dr. Carreon Boulevard
2 Jackson Street / Avenue 48
3 Jackson Street / Odlum Drive
4 Jackson Street / Avenue 50
5 Jackson Street / Plume Feather Drive – (Future Project Access) 6 Heron Place / Avenue 49 – (Future Project Access)
7 Camino Rosarito / Avenue 49 – (Future Intersection)
8 Song Sparrow Place / Avenue 49 – (Future Project Access) 1

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MEADOWLARK PLACE MEADOWLARK PLACE HERON PLACE
AVENUE 49

RAVEN LANE
1 2 3 4
5 6
7 8
91011 32 33 34 35 36 37 38 39 40 41 42 4344 45 46 47 48 49 50 51 52 53 54 55 56575859606162 95 96979899100 101 102 103 104 105106 107 108 145 146 147 148 149150151 6867666564 63 7071727374 80 7978777675 818283848586 90898887 91929394 114 113 112 111 110 109 115 116 117 118 119 120 124 123 122 121 125 126 127 128 134 135 136 137 138139 140 141 142 143 144 130 129 131 132 133 156 155 154 153 158 159 160 161 152 157 27 28 29 30 2231 23 24 25 2019 18 1726 2112131415 16 173 171 170 169 168 167 166 165 164 69 172 JACKSON STREET ALULA WAY ORIOLE PLACE MOCKINGBIRD WAY

VERIO WAY

PLUME FEATHER DRIVE
FLAMENCO WAY KINGFISHER CT.

TATTLER LANE

PINTAIL LANE

THRUSH WAY SEAGULL PLACE

CUERVO WAY QUILL ROAD
VERDIN LANE SONG SPARROW PLACE 163 162 IN THE CITY OF INDIO, COUNTY OF RIVERSIDE, STATE OF CALIFORNIA TENTATIVE TRACT NO. 38072 2

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4 1.3.2 ROADWAY SEGMENTS
Daily volume‐to‐capacity (V/C) roadway analyses have been evaluated for the roadway segments within the study area.

1.3.3 ANALYSIS SCENARIOS
Per discussion with City of Indio staff and as documented in Appendix 1.1 of this TA, this study has analyzed the following scenarios:
 Existing (2021)
 Existing plus Ambient plus Project (EAP) (2023)
 Existing plus Ambient plus Project plus Cumulative (EAPC) (2023)  General Plan Buildout (2040) Without Project
 General Plan Buildout (2040) With Project
Detailed descriptions of each analysis scenario can be found in Sections 5, 6, and 7 of this TA.

The proposed Project land use is consistent with the City’s General Plan.

1.4 CRITERIA FORDETERMINING SIGNIFICANT IMPACTS
Potentially significant Project traffic impacts are divided separately into intersection and roadway segment traffic impacts.  Intersections and roadway segments are evaluated for both potentially significant Project and cumulative impacts. The potentially significant Project and cumulative impact criteria described below for both intersection and roadway segments per the City of Indio and County of Riverside traffic study guidelines.

1.4.1 INTERSECTIONS
City of Indio and County of Riverside (2) (1)
For the purposes of this study, it was considered that a significant impact would occur (a) if the proposed Project causes the level of service (LOS) to degrade to below LOS D, or (b) if the proposed Project causes the level of service to change from LOS E to LOS F.

1.4.2 ROADWAY SEGMENTS
Potentially Significant Project Impacts
A potentially significant Project impact is defined to occur at any study area roadway segment if the segment is projected to be operating at LOS E or LOS F and the volume‐to‐capacity (V/C) ratio increases by 0.02 or more with the addition of Project traffic.

Potentially Significant Cumulative Impacts
A potentially significant cumulative impact is defined to occur at any study area roadway segment if the Project would cause the Existing LOS to fall to worse than LOS D for future traffic conditions.  A potentially significant cumulative impact is also defined to occur on any study 4

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5 area roadway segment that is already operating at LOS E or LOS F, if the Project traffic will increase the V/C ratio by more than 0.02 with the addition of Project traffic.

1.5 SUMMARY OF FINDINGS
The intersection analysis results for the study area intersections for Existing (2021), Opening Year (2023), and General Plan Buildout (2040) traffic conditions are summarized in Exhibit 1‐3.

1.5.1 EXISTING (2021) CONDITIONS
Intersections
For Existing (2021) traffic conditions the study area intersections are anticipated to operate at an acceptable level of service (LOS “D” or better) with the exception of Jackson Street / Avenue 50 (#4).   At the two unsignalized intersections (#3  ‐  Jackson St./Odlum Dr. & #4  ‐  Jackson St./Avenue 50), traffic signals are currently warranted under existing conditions.

Roadway Segments
For Existing (2021) traffic conditions the study area roadway segments are anticipated to operate at an acceptable level of service (LOS “D” or better).

1.5.2 EAP (2023), AND EAPC (2023) CONDITIONS
Intersections
For Opening Year (2023) traffic conditions, there is one additional study area intersection that is not anticipated to operate at an acceptable level of service (LOS “D” or better): Jackson Street /Odlum Drive – Avenue 49 (#3).   Installation of traffic signal and corresponding lane improvements  at the two deficient intersections (#3 ‐ Jackson Street / Odlum Drive – Avenue 49 and #4 – Jackson Street / Avenue 50) are anticipated to address intersection operational deficiencies.

The Project applicant shall participate in the City of Indio’s Development Impact Fee (DIF) program and CVAG’s Transportation Uniform Mitigation Fee (TUMF) program by paying the requisite DIF and TUMF fees.  Project participation in the Jackson Street /Avenue 50 (#4) traffic signal may include payment of a fair share contribution toward the future improvement (to be determined by the City).

For the intersection of Jackson Street/Odlum Drive  ‐ Avenue 49 (#3), the Project will be fully responsible for the installation of traffic signal and associated lane improvements required for opening year (2023) conditions.

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Existing (Hypothetical"Non‐COVID" 2021)EAP (2023)
EAPC (2023)
GPBO (2040)Without ProjectGPBO (2040)With Project
1 Jackson St. / Dr. Carreon Bl.
2 Jackson St. / Avenue 48
3 Jackson St. / Odlum Drive (Avenue 49)
‐ Without Improvements
‐ With Improvements
4 Jackson St. / Avenue 50
‐ Without Improvements
‐ With Improvements
5 Jackson St. / Plume Feather Drive
6 Heron Pl. / Avenue 49
7 Camito Rosarito / Avenue 49
8 Song Sparrow Pl. / Avenue 49
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7 Roadway Segments
The study are roadway segments are anticipated to operate at acceptable LOS under opening year (2023) traffic conditions.

For With Project conditions, the Project will construct Avenue 49 as a 2‐lane local roadway (40 feet curb‐to‐curb width) from Jackson Street to the Project’s easterly site boundary.   The Project will also construct Plume Feather Drive as a 2‐lane gated roadway to serve as secondary site access to connect to Jackson Street.

The extension of Camino Rosarito to directly connect to Avenue 49 is anticipated to be constructed by others as an additional access for the Tierra Del Sol neighborhood (located on the north side of the future extension of Avenue 49) to connect to Jackson Street.

1.5.3 GENERAL PLAN BUILDOUT (2040) CONDITIONS
Intersections
For General Plan Buildout (2040) conditions, no additional study area intersections are found to operate at an unacceptable Level of Service (LOS “E” or worse).   In addition to the signal improvements identified under interim year (2023) conditions, providing a 2nd northbound through lane at Jackson Street/Odlum Drive – Avenue 49 (#3) and providing 2nd through lanes for the northbound, eastbound, and westbound approaches at Jackson Street/Avenue 50 (#4) are anticipated to address intersection operational deficiencies.

For the additional lane improvements required for 2040 conditions at Jackson Street/Odlum Drive – Avenue 49 (#3) and Jackson Street/Avenue 50 (#4), the Project will be partially responsible and contribute on a fair share basis.

Roadway Segments
The study roadway segments analyzed are anticipated to operate at acceptable LOS under General Plan Buildout (2040) without and with traffic conditions.

For General Plan Buildout (2040) Without and With Project conditions, Avenue 50 (within the study area) will be widened by others to its ultimate full section width as a 4‐lane roadway.

Jackson Street, south of Odlum Drive ‐ Avenue 49 will also be widened by others to its ultimate full section width as a 4‐lane roadway.

1.6 RECOMMENDED IMPROVEMENTS

1.6.1 SITE ACCESS IMPROVEMENTS
The Project will be fully responsible for the construction of Avenue 49 as a 2‐lane local roadway (40 feet curb‐to‐curb width) from Jackson Street to the Project’s easterly boundary and construction of Plume Feather Drive as a 2‐lane gated roadway to serve as the Project’s secondary access to Jackson Street.  The Project will also be fully responsible for the following intersection improvements which are anticipated to be in place prior to Project occupancy. 7

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8 Jackson St./Odlum Dr. – Avenue 49 (#3)
‐ Install traffic signal control.
‐ Construct one (1) westbound shared left/through/right lane. ‐ Modify striping for the to provide a dedicated northbound left turn lane. ‐ Modify striping for the to provide a dedicated southbound left turn lane.

Jackson St./Plume Feather Dr. (#5)
‐ Install stop control for the westbound approach.
‐ Construct one (1) westbound shared left/right lane.

Heron Pl./Ave. 49 (#6)
‐ Install stop control for the northbound approach.
‐ Construct one (1) northbound shared left/right lane.
‐ Construct one (1) eastbound shared through/right lane. ‐ Construct one (1) westbound shared left/through lane.

Song Sparrow Pl./Ave. 49 (#8)
‐ Install stop control for the northbound approach.
‐ Construct one (1) northbound shared left/right lane.
‐ Construct one (1) eastbound shared through/right lane. ‐ Construct one (1) westbound shared left/through lane.

On‐site traffic signing and striping should be implemented in conjunction with detailed construction plans for the Project site.  Sight distance at each project access point should be reviewed with respect to standard Caltrans and City of Indio sight distance standards at the time of preparation of final grading, landscape and street improvement plans.

1.6.2 PARTICIPATION INOFF‐SITE INTERSECTION IMPROVEMENTS Project participation in off‐site improvements may include a combination of fee payments to established programs (e.g., DIF and TUMF), construction of specific improvements, payment of a fair share contribution toward future improvements or a combination of these approaches.

When off‐site improvements are identified with a minor share of responsibility assigned to proposed development, the approving jurisdiction may elect to collect a fair share contribution or require the development to construct improvements.  Detailed fair share calculations, for each peak hour, are provided on Table 1‐2 for the applicable deficient intersections.

Improvements included in a defined program and constructed by development may be eligible for a fee credit or reimbursement through the program where appropriate. 8

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Existing4
(2021)
Traffic
GPBO (2040)
w/ Project
Traffic3
Project Only
Traffic
Total New
Traffic1
Project
Fair Share (%)2
3 Jackson St. / Odlum Dr. ‐ Ave. 495
• AM Peak Hour 1,028 2,081 110 1,053 10.4%
• PM Peak Hour 1,361 2,492 144 1,131 12.7%
4 Jackson St. / Avenue 50
• AM Peak Hour 1,719 3,610 27 1,891 1.4%
• PM Peak Hour 2,052 4,068 33 2,016 1.6%
1 Total New Traffic = (GPBO 2040 ‐ Existing Traffic)
2 Project Fair Share % = (Project Only Traffic / Total New Traffic) 3 General Plan Buildout (2040) With Project Conditions
4 Existing volumes include estimated traffic from Tierra Del Sol neighborhood to Avenue 49. 5 For interim year (2023) conditions, the Project will be fully responsible (100%) for the intersection improvements at Jackson Street/Odlum Drive ‐ Avenue 49 (#3).

F:\UXRjobs\_14100‐14500\14156\Excel\[14156‐03 Report.xlsx]FS (2040) TABLE 1‐2: FAIR SHARE CALCULATIONS
Intersection
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10 The Project will be partially responsible and contribute on a fair share basis for the following improvements which are needed for near term conditions (EAPC):

Jackson St./Ave. 50 (#4)
‐ Install traffic signal control.

The Project will be partially responsible and contribute on a fair share basis for the following improvements are needed for long range conditions without or with the Project (2040):
 Construct Jackson Street south of Odlum Drive as a 4‐lane roadway within the study area.  Construct Avenue 50 as a 4‐lane roadway within the study area.

Jackson St./Odlum Dr. – Avenue 49 (#3)
‐ Provide a 2nd northbound shared through/right lane.

Jackson St./Ave. 50 (#4)
‐ Install traffic signal control.
‐ Construct 2nd NB shared through/right lane and provide 2nd NB receiving lane. ‐ Restripe existing EB right turn lane to shared through/right lane and provide 2nd EB receiving lane.
‐ Construct 2nd WB shared through/right lane.

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11 1.7 VEHICLE MILES TRAVELED (VMT)
The City of Indio utilizes the December 2020 County of Riverside Transportation Guidelines for VMT assessments.   Figure 3 of the December 2020 County Guidelines for VMT sets forth screening criteria under which Projects are not required to submit detailed VMT analysis.  This guidance for determination of non‐significant VMT impact is primarily intended to avoid unnecessary analysis and findings that would be inconsistent with the intent of SB 743.

Residential projects located within a low VMT‐generating area may be presumed to have a less than significant impact absent substantial evidence to the contrary.

The Riverside County Transportation Analysis Model (RIVTAM) is used to measure VMT performance for individual traffic analysis zones (TAZ’s).  Those TAZ’s that perform at or below the County average of total VMT per resident under base year conditions are considered low VMT areas.    For this screening criteria to be applicable, a project must demonstrate consistency with the underlying land use types contained within the travel demand model used to determine low VMT areas.

The Project has been reviewed for VMT screening based upon its location within a low VMT‐ generating area and no further VMT analysis is needed.

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13 2 PROPOSED DEVELOPMENT

2.1 LOCATION
The proposed Project is located east of Jackson Street and south of Odlum Drive (Avenue 49) in the City of Indio.

2.2 LANDUSE AND INTENSITY
The Project consist of 173 single family residential units.

2.3 PROJECT ACCESS
Access to Jackson Street from the Project will be provided via Plume Feather Drive and Avenue 49 via the following driveways:
 Plume Feather Drive (at Jackson Street, Intersection #5)  Heron Place (at Avenue 49, Intersection #6)
 Song Sparrow Place (at Avenue 49, Intersection #8)
Regional access to the project site is provided via Jackson Street, Avenue 48, and Avenue 50.

2.4 PROJECT TIMING
For the purposes of this analysis, it is assumed that the Project will be fully occupied by 2023.

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15 3 AREA CONDITIONS
This section provides a summary of the existing study area, the City of Indio and County of Riverside General Plan Circulation Networks and a review of existing peak hour intersection operations, roadway segment capacity, and traffic signal warrant analyses.

3.1 STUDY AREA
Pursuant to the agreement with City of Indio staff (Appendix 1.1), the focused study area includes eight (8) existing and future intersections.  The locations of these intersections were shown previously on Exhibit 1‐2.

3.2 EXISTING LANDUSES
The existing land uses adjacent to the Project site are as follows:

North – Residential
South – Church / Vacant
East – Residential / Vacant
West – Residential / Vacant

3.3 AREA ROADWAY SYSTEM
Exhibit 3‐1 illustrates the study area intersections located near the proposed Project and identifies the number of through traffic lanes for existing roadways and intersection traffic controls.

3.3.1 EXISTING ROADWAY CONFIGURATIONS
Jackson Street
Jackson Street is a north‐south roadway that provides connections to Highway 111, I‐10 freeway, residential neighborhoods, and other community features.  Jackson Street within the study area exists as a four‐lane divided roadway north of Odlum Drive and as a 3‐lane divided roadway south of Odlum Drive.

Dr. Carreon Boulevard
Dr. Carreon Boulevard is an east‐west roadway that also provides connections to Highway 111, I‐10 freeway, residential neighborhoods, and other community features.  Dr. Carreon Boulevard within the study area exists as a four‐lane divided roadway.

Avenue 48
Avenue 48 is an east‐west roadway that also provides connections to Highway 111, I‐10 freeway, residential neighborhoods, and other community features.   Avenue 48 within the study area exists as a five‐lane divided roadway, west of Jackson Street and six‐lane divided roadway, east of Jackson Street.
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17 Odlum Drive / Avenue 49
Odlum Drive / Avenue 49 is an east‐west roadway.  West of Jackson Street, Odlum Drive exists as a gated community access. East of Jackson Street, Avenue 49 is currently a dirt road that will be constructed in conjunction with the Project.

Avenue 50
Avenue 50 is an east‐west roadway that also provides connections to Highway 111, I‐10 freeway, residential neighborhoods, and other community features.   Avenue 50 within the study area exists as a three‐lane divided roadway, west of Jackson Street, and   two‐lane undivided roadway, east of Jackson Street.

3.3.2 GENERAL PLAN CIRCULATION ELEMENT
Exhibit 3‐2 shows the City of Indio General Plan mobility element roadway network, and Exhibit 3‐3 describes the attributes for City of Indio General Plan Roadways.

In the study area, Jackson Street, Avenue 48, Avenue 50, and Dr. Carreon Boulevard west of Jackson Street are classified as a 4‐lane boulevard with median or center left‐turn lane.  East of Jackson Street, Dr. Carreon Boulevard is classified as a 2‐lane collector with median or center left turn lane.   It should be noted however that Dr. Carreon Boulevard, east of Jackson Street currently exists as a 4‐lane roadway.

The City of Indio General Plan Mobility Element serves to identify the Cities of Indio’s future vision and implementation plan for transportation for the next 20 to 30 years.   The City’s General Plan Mobility Element was adopted in September 2019. (2)

3.4 TRANSIT SERVICE
The City of Indio is currently served by the Sunline Transit Agency.  The Sunline Transit Agency Line 6 currently runs along Avenue 48 and Line 8 currently runs along Dr. Carreon Boulevard (east of Jackson Street) and along Jackson Street (north of Dr. Carreon Boulevard) in the study area.   Transit service is reviewed and updated periodically to address ridership, budget and community demand needs. Changes in land use can affect these periodic adjustments which may lead to either enhanced or reduced service where appropriate.

3.5 ACTIVE TRANSPORTATION FACILITIES

3.5.1 EXISTING FACILITIES
The existing pedestrian and bicycle facilities within the study area are shown on Exhibit 3‐4.

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23 3.5.2 PLANNED FACILITIES
Exhibit 3‐5 shows the City of Indio Planned Bicycle Network. As shown on Exhibit 3‐5, Class II bicycle lanes are shown along Jackson Street, Dr. Carreon Boulevard west of Jackson Street, and Avenue 50.  A Class I bicycle path is shown along Avenue 48. A Cycle Track is shown for Avenue 50 west of Jackson Street and Dr. Carreon Boulevard east of Jackson Street.

3.6 TRAFFIC VOLUMES AND CONDITIONS
Peak hour 2017 traffic count datasets for Jackson Street/Avenue 50 (#4) have been derived from the Polo Community Traffic Impact Analysis, June 2017 (Urban Crossroads, Inc.).  Available peak hour counts are provided in Appendix 1.1.

These 2017 counts have been adjusted by adding 4 years of background (ambient) growth (2% per year, total of 8.20% compounded over a 4‐year period) in order to estimate “typical/non‐ COVID‐19” hypothetical 2021 conditions.

For the intersections of Jackson Street/Dr. Carreon Boulevard (#1), Jackson Street/Avenue 48 (#2), and Jackson Street/Odlum Drive (#3), new traffic counts were collected on June 2021 during the following timeframes: 7:00 AM to 9:00 AM and 4:00 PM to 6:00 PM since no volume information are currently available.  Due to the COVID‐19 pandemic, these new 2021 peak hour counts are anticipated to be lower than typical conditions.  Therefore, new 2021 counts have also been collected at following intersection where pre‐COVID (2017) data is available:
 #4 – Jackson Street / Avenue 50
Average morning and evening peak hour volume comparison at the sample location indicate that the hypothetical 2021 (“typical/non‐COVID‐19”) are approximately 12.9% higher than the June 2021 counts (see table below).

ESTIMATED "TYPICAL/NON‐COVID‐19" 2021 COUNTS  AND NEW 2021 (COVID) COUNTS

PEAK HOUR VOLUMES COMPARISON SUMMARY
ID Intersection

PEAK HOUR
2017 Counts1 Existing 20212
(Estimated)
(Non‐COVID)
Existing 2021 Counts3
(COVID)

AM PM TOTAL AM PM TOTAL AM PM TOTAL
4 Jackson St. / Avenue 50 1,735 1,753 3,488 1,876 1,896 3,772 1,523 1,818 3,341 AVERAGE AM/PM HYPOTHETICAL NON‐COVID  FACTOR
(to be applied to June 2021 COVID counts)

12.90%
1 Source: Polo Community Traffic Impact Analysis, June 2017.  Prepared by Urban Crossroads, Inc. 2 2017 counts have been adjusted by adding 4 years of background (ambient) growth (2% per year, total of 8.20% compounded over a 4‐year period to estimate "typical/non‐COVID‐19" 2021 conditions. 3 June 2021 counts have been adjusted to include 15% seasonal factor. 23

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4-7
Figure 4-1: Planned Bicycle Network
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25 These adjustments have been applied as needed to the June 2021 counts.   The estimated Existing 2021 “typical/non‐COVID‐19” weekday AM and PM peak hour intersection volumes are shown on Exhibit 3‐6.   The 2017 and 2021 raw manual peak hour turning movement traffic count data sheets are included in Appendix “3.1”.

Average Daily 2017 traffic count datasets were obtained from the Coachella Valley Association of Governments (CVAG) web‐based GIS map and are provided in Appendix 1.1.   These 2017 daily counts have also been adjusted by adding 4 years of background (ambient) growth (2% per year, total of 8.20% compounded over a 4‐year period) in order to estimate “typical/non‐ COVID‐19” 2021 conditions.

Average daily traffic   volume comparison at Jackson Street, north of Avenue 48 where 2017 data is available, indicate that the hypothetical 2021 (“non‐COVID”) ADT is approximately

21.30% higher than the June 2021 counts (see table below).

ESTIMATED "TYPICAL/NON‐COVID‐19" 2021 COUNTS  AND NEW 2021 (COVID) COUNTS

ADT VOLUMES COMPARISON SUMMARY
ID Roadway Segment
ADT
2017 Counts1
(Non‐COVID)
Existing 2021
(Estimated)2
(Non‐COVID)
Existing 2021
Counts
(COVID)

ADT ADT ADT
1 Jackson St., north of Avenue 48 15,400 16,663 13,732
ADT HYPOTHETICAL NON‐COVID  FACTOR
(to be applied to 2021 COVID counts)

21.30%
1 Source: 2017 CVAG ADT
2 2017 counts have been adjusted by adding 4 years of background (ambient) growth (2% per year, total of 8.20% compounded over a 4‐year period to estimate "typical/non‐COVID‐19" 2021 conditions.

Where counts are unavailable, the following formula for each intersection leg has been utilized:

Weekday PM Peak Hour (Approach Volume + Exit Volume) x 13.158 = Leg Volume For the two roadway segments along Jackson Street, between Dr. Carreon Boulevard and between Odlum Drive and Avenue which has 24‐hour tube count data available, a comparison between the raw 2021 PM peak hour and daily traffic count volumes indicated that a PM peak‐ to‐daily relationship of approximately 7.60 percent would sufficiently estimate average daily traffic (ADT) volumes for planning‐level analyses.  As such, the above equation utilizing a factor of 13.158 estimates the ADT volumes on the study area roadway segments assuming a peak‐to‐ daily relationship of approximately 7.60 percent (i.e., 1/0.0760 = 13.158).   The estimated Existing 2021 “typical/non‐COVID‐19” ADT volumes are shown on Exhibit 3‐6.  2017 CVAG ADT volumes and 2021 24‐hour tube count data are also provided in Appendix "3.1". 25

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27 3.7 LEVEL OF SERVICE DEFINITIONS AND ANALYSIS METHODOLOGIES

3.7.1 SIGNALIZED INTERSECTIONS
The City of Indio and County of Riverside requires signalized intersection operations analysis based on the methodology described in Chapter 18 and Chapter 31 of the HCM 6th Edition. (7) Intersection LOS operations are based on an intersection’s average control delay.  Control delay includes initial deceleration delay, queue move‐up time, stopped delay, and final acceleration delay.   For signalized intersections LOS is directly related to the average control delay per vehicle and is correlated to a LOS designation as described in Table 3‐1.

TABLE 3‐1: SIGNALIZED INTERSECTION LOS THRESHOLDS
Description
Average Control
Delay (Seconds),
V/C ≤ 1.0
Level of
Service,
V/C ≤ 1.0
Level of
Service,
V/C > 1.0
Operations with very low delay occurring with favorable progression and/or short cycle length.
0 to 10.00 A F
Operations with low delay occurring with good progression and/or short cycle lengths.

10.01 to 20.00 B F
Operations with average delays resulting from fair progression and/or longer cycle lengths.  Individual cycle failures begin to appear.

20.01 to 35.00 C F
Operations with longer delays due to a combination of unfavorable progression, long cycle lengths, or high V/C ratios.  Many vehicles stop and individual cycle failures are noticeable.

35.01 to 55.00 D F
Operations with high delay values indicating poor progression, long cycle lengths, and high V/C ratios.  Individual cycle failures are frequent occurrences.  This is considered to be the limit of acceptable delay.

55.01 to 80.00 E F
Operation with delays unacceptable to most drivers occurring due to over saturation, poor progression, or very long cycle lengths.

80.01 and up F F
Source:  HCM 6th Edition
Study area intersections have been analyzed using the software package Synchro (Version 11).

Synchro is a macroscopic traffic software program that is based on the signalized intersection capacity analysis as specified in the Chapter 18 of the HCM.   Macroscopic level models represent traffic in terms of aggregate measures for each movement at the study intersections.

Equations are used to determine measures of effectiveness such as delay and queue length.

The level of service and capacity analysis performed by Synchro takes into consideration optimization and coordination of signalized intersections within a network.  The LOS analysis for signalized intersections has been performed using optimized signal timing for existing traffic conditions.  Signal timing optimization has considered pedestrian safety and signal coordination requirements.   Appropriate time for pedestrian crossings has also been considered in the signalized intersection analysis.

The peak hour traffic volumes have been adjusted using a peak hour factor (PHF) to reflect peak 15 minute volumes.   Flow rates are typically expressed in vehicles per hour.   The PHF is the relationship between the peak 15‐minute flow rate and the full hourly volume (e.g. PHF = 27