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PUBLIC WATER SYSTEM REPORT
Is GOLDEN STATE WATER COMPANY - LOS OSOS Water Safe to Drink in 2026?
California · PWSID CA4010017 · Ground water
Population served
5,924
Cities served
—
State / jurisdiction
California (CA)
PWSID
CA4010017
C-
TAP WATER GRADE
Concerning
Model score 63/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
PFAS compounds detected in UCMR5 monitoring
CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFHxSregulated
8.8
10 ppt
Within / n/a
MCL exceedance
PFHxA
4.3
—
Within / n/a
Unregulated (monitored)
PFPeA
3.4
—
Within / n/a
Unregulated (monitored)
PFBS
3.2
—
Within / n/a
Unregulated (monitored)
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
Official Consumer Confidence Report (CCR)
📋 The official 2026 CCR for GOLDEN STATE WATER COMPANY - LOS OSOS has not yet been published on WaterCheckup.
Are you the water operator for GOLDEN STATE WATER COMPANY - LOS OSOS? 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 GOLDEN STATE WATER COMPANY - LOS OSOSdirectly 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 0 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 GOLDEN STATE WATER COMPANY - LOS OSOS'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 GOLDEN STATE WATER COMPANY - LOS OSOS
⚠ PFAS detected (UCMR5)
#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 GOLDEN STATE WATER COMPANY - LOS OSOS · Chosen for GOLDEN STATE WATER COMPANY - LOS OSOS because PFAS compounds appear in UCMR5 monitoring for this PWS. Reverse osmosis is the most effective certified residential technology for PFAS.
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