Is VALLEY OF THE MOON WATER DISTRICT Water Safe to Drink in 2026?
California · PWSID CA4910013 · Ground water
Population served
23,107
Cities served
—
State / jurisdiction
California (CA)
PWSID
CA4910013
F
TAP WATER GRADE
High risk
Model score 12/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
9 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS above EPA MCL (UCMR5 regulated compounds)
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CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFOSregulated
5.4
4 ppt
Exceeds
Above health advisory
PFOAregulated
5.2
4 ppt
Exceeds
Above health advisory
PFBS
4.2
—
Within / n/a
Unregulated (monitored)
PFHxSregulated
4.2
10 ppt
Within / n/a
MCL exceedance
PFHxA
3.6
—
Within / n/a
Unregulated (monitored)
PFPeA
3.0
—
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 9 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 VALLEY OF THE MOON WATER DISTRICT's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR VALLEY OF THE MOON WATER DISTRICT
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR VALLEY OF THE MOON WATER DISTRICT · Chosen for VALLEY OF THE MOON WATER DISTRICT because PFAS was detected at 5.4 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 9 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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