California UWMP Water Supplier Dashboard
Urban Water Management Plans — base information for 403 California retail water suppliers. Demand and supply normalized to acre-feet (AF); source volumes reported in AF or million gallons (MG). Supply source mix from DWR's 2020 UWMP Table 6-9, matched to 386 suppliers by Org ID.
Data source
2025 Plans will show the 2025 UWMP submissions on their own once DWR publishes them. The combined view will merge 2020 and 2025 Plans data into one 2015–2040 series.
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Population served — aggregate trend
Population served
Demand vs. supply — aggregate trend (AF)
Demand
Supply
Top suppliers by population served (2015)
Suppliers by water quality control region
Projected water supply portfolio by source (AF)
Non-revenue water — aggregate trend (AF)
Supplier locations map
Approximate supplier locations (geocoded by city/agency name, not exact service-area boundaries), colored by region. Reflects the current filters.
Top suppliers by non-revenue water
Find neighboring suppliers
Search by address and radius. Supplier locations are approximate (geocoded by city/agency name, not exact service-area boundaries).
mi radius
Future supply projects
Planned water reuse, brackish groundwater desalination, and seawater/surface desalination projects (DWR Table 6-9), among currently filtered suppliers.