Municipal Regional Stormwater
National Pollution Discharge Elimination System (NPDES) Permit Stormwater Management Annual Report 2024-2025
Rajani Nair, Deputy Director, Environmental Services
Jennifer Seguin, Deputy Director, Transportation
Mathew Nguyen, Deputy Director, Public Works
Olympia Williams, Deputy Director, Parks, Recreation and Neighborhood Services Jeff Provenzano, Director, Environmental Services
San José City Council
September 23, 2025
1 Municipal Regional Stormwater Permit
Fiscal Year 2024-2025
Overview of Accomplishments
Next Steps
2 The Clean Water Act
• The Federal Water Pollution Control Act of 1948
was the first major U.S. law to address water pollution.
Growing public awareness and concern for controlling
water pollution led to sweeping amendments in 1972.
As amended in 1972, the law became commonly
known as the Clean Water Act (CWA).
• Prohibits the discharge of any pollutant into the
waters of the United States
3 Municipal Regional Stormwater Permit Provisions – Effective July 1, 2022 Permit Provision
City Departments (with support from the City Manager’s Office of Economic Development and Cultural Affairs, Finance, and City Manager’s Budget Office) ESD DOT Housing PBCE PRNS PW Airport Fire
C.2 Municipal Operations
C.3 New Development and Redevelopment (GSI)
C.4 Industrial and Commercial Site Controls
C.5 Illicit Discharge and Detection Elimination
C.6 Construction Site Control
C.7 Public Information and Outreach
C.8 Water Quality Monitoring
C.9 Pesticides Toxicity Control
C.10 Trash Load Reduction
C.11,
C.12 Mercury and PCBs Controls
C.13 Copper Controls
C.15 Exempted and Conditionally Exempted Discharges
C.17 Discharges Associated with Unsheltered Populations C.20 Cost Reporting
C.21 Asset Management
C.22 Annual Reports
4 C.3 New and Redevelopment - Green Stormwater
Infrastructure (GSI)
Goal: Build GSI to treat and to prevent
surface runoff pollution
Accomplishments in FY 2024-2025:
Completed Riverview Stormwater Garden Regional
Stormwater Capture GSI project –
CASQA 2025 Outstanding Stormwater Capture and
Use Implementation Project
Approved permits for 45 Regulated Projects (41 Private and 4 Public)
Inspected 161 projects, 24% of total inventory (655)
Exceeded 20% minimum inspection requirements
of City’s GSI inventory
Next Steps:
Future regional GSI projects and anticipate design
beginning in early FY 2025-2026 with construction
completion for one project in fall 2027
5 C.10 Trash Load Reduction
Goal: Prevent trash from entering storm sewer system
and waterways
Accomplishments in FY 2024-2025 :
Installed 462 inlet-based (small) full trash capture devices Implemented Private Lands Enforcement Program (234 need to comply; 2,400 private parcels assessed)
Continued on-land trash control programs (e.g.: Public Litter Cans, Neighborhood Litter Program, Street Sweeping, PBID)
Expanded Adopt A Storm Drain citywide
Achieved 97.7% without offsets
Next Steps:
Complete construction of up to 40 more inlet-based (small) trash capture devices
Re-bid construction of 2 large trash capture devices (Hartog Dr. and Blossom Hill Rd.)
Continue Private Lands enforcement on Moderate, High, Very High parcels Achieve 100% trash load reduction without offsets by December 31, 2025 6 C.17 Discharges from Unsheltered Populations
Goal: Address impacts of homeless encampments and pollutants generated by people experiencing homelessness along waterways Accomplishments in FY 2024-2025:
Cleared and created No Return Zones along
16 miles of waterways
Removed over 1,800 tons of trash
Cleared 30 OLIVE sites
Over 2,600 RVs serviced by RVP3
Completed Waterways Surge Count
Added additional shelter spaces
Next Steps:
Increase housing supply
Continue waterways and OLIVE abatements
7 Additional Provisions requirements
Provisions Accomplishments in FY 2024-2025 Next Steps
C.11 & C.12
Mercury and PCBs
Old Industrial Areas
• 10 Source (High) Properties, Referred 7 to Water Board for abatement
• Identified 1 Moderate (Elevated) Property
Building Demolition Permit Process
• No applicable structures identified
• Educate and enforce on Moderate Property
• Implement enhanced O&M in public ROW (cleaning of
storm sewer mains) in Moderate Old Industrial Areas
• Continue to identify, monitor, investigate, and enforce additional Source and Moderate parcels
• Achieve Countywide reduction of 121g/yr by June 2027
C.15 Emergency
Firefighting
Discharges
• Participated in Regional Firefighting Working Groups
• Finalized Regional Firefighting Discharges Report, due to Water Board by September 30, 2025
• Train firefighting personnel on BMP use
• Purchase least environmentally harmful foams
• Evaluate large industrial sites for stormwater runoff C.20 Cost Reporting $123,982,000
in costs documented for FY 2024-2025
• $14,665,000 for C.3
• $28,286,000 for C.10
• $63,982,000 for C.17
• Collect cost data for FY 2025-2026
• Integrate into upcoming Statewide stormwater cost
reporting framework
C.21 Asset
Management
Developed an Asset Management Plan for the City’s 561
Green Stormwater Infrastructure (GSI) and 588 Full Trash Capture devices
Implement Asset Management Plan
8 Thanking our Creek Nonprofit Partners
9 Courtesy Photo from Keep Coyote Creek Beautiful
10 Municipal Regional Stormwater
National Pollution Discharge Elimination System (NPDES) Permit Stormwater Management Annual Report 2024-2025
11 Rajani Nair, P.E., Deputy Director, Environmental Services Jennifer Seguin, Deputy Director, Transportation
Mathew Nguyen, P.E., Deputy Director, Public Works
Olympia Williams, Deputy Director, Parks, Recreation and Neighborhood Services Jeff Provenzano, P.E., Director, Environmental Services San José City Council,
September 23, 2025
Recommendation: Adopt a resolution authorizing the certification and submittal of the Fiscal Year 2024- 2025 Stormwater Management Annual Report to the San Francisco Bay Regional Water Quality Control Board by September 30, 2025, in conformance with the Municipal Regional Stormwater National Pollutant Discharge Elimination System Permit requirements, pursuant to the Federal Clean Water Act.