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Water system · PWSID CA1310801

CENTINELA STATE PRISON

IMPERIAL, CA · ~4,100 people served

Check your exact address → IMPERIAL overview
100
Excellent
PurityRadar safety score

PWSID

CA1310801

State

California

City

IMPERIAL

Population served

4,100

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

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).

Lithium

60,000 ppt

limit —

No federal limit

Violations & enforcement

18

Violations on record

0

Unaddressed

16

Health-based

15

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2016. Official EPA record →

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2014 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2014 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2013 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2013 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2013 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2012 Resolved
Treatment technique · EPA contaminant 0200 health-based began Sep 2012 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2012 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2009 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2009 Resolved

Recent enforcement actions

  • State action · SOX Dec 2016
  • State action · SFL May 2015
  • State action · SFL Jun 2013
  • State action · SFL Dec 2012
  • State action · SFL Nov 2012
  • State action · SOX Sep 2012
  • State action · SOX Apr 2010
  • State action · SFG Jun 2009

This profile is built from EPA public records for system CA1310801 — 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.