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PUBLIC WATER SYSTEM REPORT
Is ALAMEDA COUNTY WATER DISTRICT Water Safe to Drink in 2026?
California · PWSID CA0110001 · Surface water
Population served
344,000
Cities served
—
State / jurisdiction
California (CA)
PWSID
CA0110001
B-
TAP WATER GRADE
Fair
Model score 70/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
9 violation record(s) in the latest EPA SDWA quarterly snapshot
CONTAMINANTS — EPA UCMR5 MONITORING
No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).
Official Consumer Confidence Report (CCR)
📋 The official 2026 CCR for ALAMEDA COUNTY WATER DISTRICT has not yet been published on WaterCheckup.
Are you the water operator for ALAMEDA COUNTY WATER DISTRICT? Publish your official CCR here for free — your customers are already finding this page.
Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact ALAMEDA COUNTY WATER DISTRICTdirectly to request a copy, or check the EPA's national CCR portal at cfpub.epa.gov/ccr.
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 9 violation-related records with this system in the same reporting quarter as the public water system snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on ALAMEDA COUNTY WATER DISTRICT's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
Certified Filter Recommendations
Matched to what's actually in your water
TOP PICKS FOR ALAMEDA COUNTY WATER DISTRICT
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR ALAMEDA COUNTY WATER DISTRICT · Chosen for ALAMEDA COUNTY WATER DISTRICT because EPA’s SDWA snapshot shows active violation records. RO addresses a wide range of regulated contaminants, not just chlorine taste.
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