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Water system · PWSID CA1010020

LATON COMMUNITY SERVICES DISTRICT

LATON, CA · ~1,151 people served

Check your exact address → LATON overview
42
Action needed
PurityRadar safety score

PWSID

CA1010020

State

California

City

LATON

Population served

1,151

Primary source

Groundwater

Score history

▼ 43 points — the score moved from 85 to 42 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 42

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 Oct 2024). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

6.2 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFOS

Perfluorooctanesulfonic acid

6.1 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFBS

3.9 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

2

Unaddressed

8

Health-based

16

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2017. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring & reporting · Nitrate began Jan 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2000 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Mar 2017
  • State action · SFL Mar 2017
  • State action · SOX Jan 2015
  • State action · SFL Jan 2015
  • State action · SOX Nov 2014
  • State action · SFL Dec 2013
  • State action · SOX Sep 2013
  • State action · SFL May 2013

This profile is built from EPA public records for system CA1010020 — 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.