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Find water quality reports in California

Find water quality reports.

In California, 2 city governments and 1 county department publish 3 official links for this service. Reviewed requirements cover availability notices (4). 3 counties have a page for it below.

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Match the utility name on your bill before choosing a payment link. Service areas may cover only part of a county.
Payment options and any processing charges are set by the utility. CountyWiki does not collect account details or payments.

1 guide with reviewed service links · Santa Clara

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California58 counties

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U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

City government · Santa Clara

City of Palo Alto Utilities — customer accounts

Water Utility

CPAU annual water quality reports and paper-copy requestsOfficial instructions

Find CPAU's annual consumer confidence reports for Palo Alto water customers. The official directory lists its 2025 report and previous years, with Spanish and Chinese versions.

Service area: CPAU customers in the Palo Alto city navigation context; confirm CPAU is the provider on your account. This does not establish all-address service boundaries. Area details & sources

Official directory's latest report label; this is not a statement about present-day water conditions

Most Recent Annual Water Quality Report 2025 Annual Water Quality Report(PDF, 2MB)

Official information checked October 26, 2026 · Details & sources

Printed consumer confidence report requests; not outage dispatch

If you would like a copy of the report mailed to you, please email us at utilitiescommunications@paloalto.gov or call (650) 329-2479 to submit a request.

Official information checked October 26, 2026 · Details & sources

Source checked October 26, 2026

City of Palo Alto Utilities · City of Palo Alto Utilities water quality reports (opens in a new tab)

Official utility topic page; exact report listing, reporting instruction or purpose-labelled contact

Every year we publish an Annual Consumer Confidence Report which informs customers about the City's water quality. Past annual reports are provided below on this page.

Saved evidence: c28c02ae16b63505 · Agent source review

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Find water quality reports in California

City of Palo Alto Utilities — customer accounts

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