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PUBLIC WATER SYSTEM REPORT
Is CALIFORNIA WATER SERVICE - STOCKTON Water Safe to Drink in 2026?
California · PWSID CA3910001 · Surface water
Population served
176,266
Cities served
—
State / jurisdiction
California (CA)
PWSID
CA3910001
C-
TAP WATER GRADE
Concerning
Model score 63/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
2 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS above EPA MCL (UCMR5 regulated compounds)
CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFOSregulated
5.2
4 ppt
Exceeds
Above health advisory
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
Official Consumer Confidence Report (CCR)
📋 The official 2026 CCR for CALIFORNIA WATER SERVICE - STOCKTON has not yet been published on WaterCheckup.
Are you the water operator for CALIFORNIA WATER SERVICE - STOCKTON? 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 CALIFORNIA WATER SERVICE - STOCKTONdirectly 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 2 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 CALIFORNIA WATER SERVICE - STOCKTON'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 CALIFORNIA WATER SERVICE - STOCKTON
⚠ EPA violations / contaminants in monitoring data
#1
Clearly Filtered 3.5L Pitcher
BEST FOR PFAS & LEAD
Clearly Filtered · ~$90
Only pitcher certified to remove PFAS at 99.9%. NSF 42/53/244/401/P473 — 365+ contaminants.
WHY THIS FOR CALIFORNIA WATER SERVICE - STOCKTON · Chosen for CALIFORNIA WATER SERVICE - STOCKTON because PFAS was detected at 5.2 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 2 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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