PORTERVILLE DEVELOPMENTAL CENTER

PORTERVILLE, CA · ~1,281 people served

Check your exact address → PORTERVILLE overview

100

Excellent

PurityRadar safety score

PWSID

CA5410801

State

California

City

PORTERVILLE

Population served

1,281

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2021. Official EPA record →

Max contaminant level (MCL) · Lead & Copper Rule health-based began Aug 2021 Resolved

Monitoring · Lead & Copper Rule began Nov 2016 Resolved

Max contaminant level (MCL) · Total coliform health-based began Sep 2011 Resolved

Max contaminant level (MCL) · Total coliform health-based began Aug 2011 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2009 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2009 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2008 Resolved

Monitoring & reporting · Total coliform began Oct 2004 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2004 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2001 Resolved

Monitoring & reporting · Total coliform began Apr 1999 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

State action · SOX Oct 2021
State action · SFL Oct 2021
State action · SOX Sep 2021
State action · SOX Jan 2020
State action · SIA Dec 2016
State action · SOX Jan 2012
State action · SOX Oct 2011
State action · SFL Oct 2011

This profile is built from EPA public records for system CA5410801 — 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.