City of Stockton
Urban Water Management Plan
Council Water Committee
Item 26-2093
March 12, 2026
Photo: usgs.gov
What is an Urban Water Management Plan (UWMP)?
Why is the UWMP required?
Due to DWR by July 1, 2026
City of Stockton Water Service Areas
North Stockton and South Stockton are served by City of Stockton Municipal Utilities Department (COSMUD) Central Stockton area is served by California Water Service Company The City’s 2025 UWMP evaluates only COSMUD water service areas Serves approximately 200,000 customers
Delivered 9.9 billion gallons of drinking water in 2024
Key Components of the City’s UWMP
Major Changes since the 2020 UWMP
Completed North Stockton Pipeline Ammonia Facility (NSPAF) (Up to 25,000 AFY) Started construction of three groundwater recharge basins (20,000 AFY) Increased water resiliency in South Stockton with Completed rehab project at South Stockton System (SSS) Well SSS8 (2,420 AFY) Photo: City of Stockton
Photo: City of Stockton
Photo: pcl.com
Water Supply Portfolio
Long-Term Water Supply Reliability
The 2025 UWMP demonstrates that the City’s water supplies below are adequate to meet existing and projected water demands through 2050:
San Joaquin River (Delta)
Woodbridge Irrigation District (WID)
Stockton East Water District (SEWD)
Groundwater Wells
Public Outreach and Key Dates
✓
March 12, 2026
Presentation to Council Water Committee
March 13, 2026
Notice of Public Hearing sent to stakeholders
April 12 – May 12
Public Review Period (30-day review period)
April 12 – May 12
Two notices published in Stockton Record
May 12, 2026
Public Hearing at City Council Meeting
May 12, 2026
City Council to Consider Plan Adoption
By July 1, 2026
Submittal to DWR
Within 30 days of adoption
Submittal to California State Library and San Joaquin County and available for public review
Recommended Action
Forward the UWMP to City Council for approval and adoption on May 12, 2026.
Photo: stocktonca.gov
Questions?