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Water system · PWSID CA1510802

KERN VALLEY STATE PRISON

DELANO, CA · ~5,000 people served

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

PWSID

CA1510802

State

California

City

DELANO

Population served

5,000

Primary source

Groundwater

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

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

25

Violations on record

0

Unaddressed

21

Health-based

7

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2018. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2015 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2015 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2012 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2012 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2012 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2012 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2011 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2011 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2011 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2011 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2010 Resolved

Recent enforcement actions

  • State action · SFL Mar 2018
  • State action · SOX Mar 2018
  • State action · SOX Dec 2017
  • State action · SIA Feb 2016
  • State action · SOX Apr 2014
  • State action · SIA May 2011
  • State action · SFL Dec 2008

This profile is built from EPA public records for system CA1510802 — 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.