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PUBLIC WATER SYSTEM REPORT
Is LOS OSOS COMMUNITY SERVICES DISTRICT Water Safe to Drink in 2026?
California · PWSID CA4010016 · Ground water
Population served
7,086
Cities served
—
State / jurisdiction
California (CA)
PWSID
CA4010016
D
TAP WATER GRADE
Poor
Model score 55/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
3 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
PFBS
18.0
—
Within / n/a
Unregulated (monitored)
PFPeA
16.8
—
Within / n/a
Unregulated (monitored)
PFHxA
16.6
—
Within / n/a
Unregulated (monitored)
PFOAregulated
14.7
4 ppt
Exceeds
Above health advisory
PFOSregulated
11.7
4 ppt
Exceeds
Above health advisory
PFHxSregulated
8.4
10 ppt
Within / n/a
MCL exceedance
PFBA
6.0
—
Within / n/a
Unregulated (monitored)
PFHpA
5.4
—
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 LOS OSOS COMMUNITY SERVICES DISTRICT has not yet been published on WaterCheckup.
Are you the water operator for LOS OSOS COMMUNITY SERVICES 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 LOS OSOS COMMUNITY SERVICES 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 3 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 LOS OSOS COMMUNITY SERVICES 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 LOS OSOS COMMUNITY SERVICES DISTRICT
⚠ 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 LOS OSOS COMMUNITY SERVICES DISTRICT · Chosen for LOS OSOS COMMUNITY SERVICES DISTRICT because PFAS was detected at 18 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 3 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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