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Water system · PWSID CA5410004

FARMERSVILLE, CITY OF

FARMERSVILLE, CA · ~10,243 people served

Check your exact address → FARMERSVILLE overview
85
Excellent
PurityRadar safety score

PWSID

CA5410004

State

California

City

FARMERSVILLE

Population served

10,243

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

15

Violations on record

2

Unaddressed

12

Health-based

23

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2014. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2013 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 2006 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2001 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1999 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1999 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1996 Resolved

Recent enforcement actions

  • State action · SOX Jan 2014
  • State action · SIA Mar 2013
  • State action · SOX Oct 2009
  • State action · SFL Oct 2009
  • State action · SFL Jun 2006
  • State action · SOX May 2006
  • State action · SFL Oct 2003
  • State action · SOX Oct 2003

This profile is built from EPA public records for system CA5410004 — 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.