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.

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2023 Consumer Confidence ReportSmart Irrigation RebateA computer mock up of Zone 7's 2022-223 Online Annual Report with the text available now!Apply for our Water-Efficient Lawn Conversion Rebate today!High Efficiency Water RebatePool Cover RebateTri-Valley SolutionsWater Academy