Water Sources and Production

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Water Sources

The City of Davis water system is a conjunctive use system and utilizes both surface water and groundwater for its potable water supply. The primary water source is surface water supplied from the Sacramento River which accounted for approximately 80% of delivered water in 2024. Groundwater provides the remaining 20% and is pumped from underlying aquifers that range from 200 to 1,700+ feet below ground surface. The City has 9 active groundwater wells throughout town, but the majority of water pumped to be supplied as drinking water comes from 5 deep aquifer wells.

Learn more about the city's surface water source from the Woodland-Davis Clean Water Agency.

The City’s Water Utility 101, updated in June 2022, has additional information on the structure and operations of the City’s water system: Water Utility 101

Water Production
Water Delivery by Source
Term 91 (Curtailment of Surface Water Supplies)
Resiliency Planning