Water Quality
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Water Quality FAQs
Get answers to frequently asked water quality questions.
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Water Quality Self-Diagnostic Tool
Tool to assist with the most common water quality issues and solutions.
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Main Cleaning
Find out when the water mains in your neighborhood will be cleaned.
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Annual Water Quality Reports
Download copies of ACWD Annual Water Quality reports dating back to 2003.
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Lead Sampling Information for Schools
Information about lead sampling in schools, preschools, and day care facilities on public property and additional information for private schools.
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Lead Testing for Day Care Facilities
Information regarding AB 2370 which requires child day care centers to test for lead in drinking water.
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Lead & Copper Tap Sampling Program
Lead and Copper Tap Sampling Program
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Water Hardness Map
Use this map to determine the hardness of the water delivered to your neighborhood.
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Local State-Certified Commercial Laboratories
A resource to find local state-certified commercial laboratories for independent internal home water testing.
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Water Quality in Buildings with Low or No Use
View information and resources for guidance on improving water quality in buildings with low or no water use.
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Understanding PFAS
Learn more about PFAS, their sources, the District’s proactive work to monitor for these substances, and sampling results