Water system · PWSID CA4910013
VALLEY OF THE MOON WATER DISTRICT
PWSID
CA4910013
State
California
City
EL VERANO
Population served
23,107
Primary source
Groundwater
Score history
▼ 32 points — the score moved from 100 to 68 on Jun 18, 2026, as newly published EPA data was incorporated.
2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.
PFAS & contaminant readings
Latest detections from EPA’s UCMR5 monitoring (through Apr 2025). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
5.4 ppt
limit 4 ppt
PFOA
Perfluorooctanoic acid
5.2 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
4.2 ppt
limit 10 ppt
Lithium
16,000 ppt
limit —
PFBS
4.2 ppt
limit —
PFHxA
3.6 ppt
limit —
PFPeA
3 ppt
limit —
Violations & enforcement
2
Violations on record
0
Unaddressed
0
Health-based
5
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Jun 2021. Official EPA record →
Recent enforcement actions
- State action · SOX Jun 2021
- State action · SFL Apr 2021
- State action · SOX Dec 2019
- State action · SFL Feb 2017
- EPA/federal action · EFJ May 1993
This profile is built from EPA public records for system CA4910013 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.