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PUBLIC WATER SYSTEM REPORT
Is SANTA ROSA, CITY OF Water Safe to Drink in 2026?
California · PWSID CA4910009 · Ground water
Population served
175,396
Cities served
SANTA ROSA
State / jurisdiction
California (CA)
PWSID
CA4910009
C+
TAP WATER GRADE
Concerning
Model score 68/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
4 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 SANTA ROSA, CITY OF has not yet been published on WaterCheckup.
Are you the water operator for SANTA ROSA, CITY OF? 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 SANTA ROSA, CITY OFdirectly 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 4 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.
WHY THIS FOR SANTA ROSA, CITY OF · Chosen for SANTA ROSA, CITY OF 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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