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
F
TAP WATER GRADE
High risk
Model score 20/88 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)
Water operator? Publish your official 2027 CCR here — residents already find this page. Claim free →
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
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 utility 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.
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.
Get water quality alerts for LOS OSOS COMMUNITY SERVICES DISTRICT
We'll notify you when new PFAS data, EPA violations, or contamination alerts affect LOS OSOS COMMUNITY SERVICES DISTRICT (PWS CA4010016). One email, no spam, unsubscribe any time.