Learn more about the Wondrous World of Water: the 2022 Annual Consumer Confidence Report is now available
Sign your class up for a visit from Zone 7 Water Academy
Picture of Flood Ready Freddy and his dog scout waiting for rain; Text: Flood Preparedness Open House, October 21, 10am to 2pm

Delivering the highest standard of water quality, reliability and safety.

As the Tri-Valley region’s water wholesaler, we work with our water retailers to ensure the people of eastern Alameda County are taken care of.



Public Events 2155 Third St, Livermore, CA 94550

Rotary Chili Cook Off

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Public Events 29 S. LIVERMORE AVE, LIVERMORE CA 94550

Engineering Encounters at Stockmen’s Park

Quest Science Center

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Public Events H St & 5th St Livermore, CA 94550

Lawn to Garden Party

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News & Updates

Zone 7 awarded $16M in funding from Sustainable Groundwater Management grant program

Grant from State Department of Water Resources will offset cost of new Stoneridge facility

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Zone 7 upgrades Stoneridge Well with Ion Exchange PFAS Treatment Facility

First facility of its kind in Northern California will remove PFAS from groundwater supply

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Zone 7 welcomes teachers back with new Water Academy Rewards program

Program incentivizes teachers to build a new generation of water champions

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Meeting Agendas


Regular Board Meeting

September 20, 2023

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One of the best ways to cut down on water costs and maintenance is to replace your grass or turf with water-wise and native plants!

Northern California Drought Update

The Tri-Valley has received just 40% of our average amount of rainfall this season.

Did you know most of the Tri-Valley’s water comes from outside our region?

On average, 70% of our water supply is imported surface water through the South Bay Aqueduct.