CITY OF DOS PALOS

DOS PALOS, CA · ~7,452 people served

Check your exact address → DOS PALOS overview

100

Excellent

PurityRadar safety score

PWSID

CA2410002

State

California

City

DOS PALOS

Population served

7,452

Primary source

Surface water

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 Feb 2023. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2022 Addressed

Treatment technique · EPA contaminant 0200 health-based began Jan 2017 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2007 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2007 Resolved

Treatment technique · EPA contaminant 0200 health-based began Apr 2004 Resolved

Monitoring & reporting · Bromate began Jan 2004 Resolved

Recent enforcement actions

State action · SFL Feb 2023
State action · SOX Nov 2017
State action · SFL Aug 2017
State action · SOX Jan 2008
State action · SFL Sep 2007
State action · SFL Sep 2004
State action · SOX Apr 2004
State action · SOX Sep 2002

This profile is built from EPA public records for system CA2410002 — 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.