GONZALES, CITY OF

GONZALES, CA · ~8,327 people served

Check your exact address → GONZALES overview

100

Excellent

PurityRadar safety score

PWSID

CA2710007

State

California

City

GONZALES

Population served

8,327

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

Latest detections from EPA’s UCMR5 monitoring (through Sep 2023). Levels in parts per trillion (ppt).

Lithium

15,800 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2024. Official EPA record →

Monitoring & reporting · EPA contaminant 3014 began Aug 2024 Resolved

Monitoring & reporting · Nitrate began Apr 2006 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jan 2005 Resolved

Monitoring & reporting · Total coliform began Jan 2004 Resolved

Max contaminant level (MCL) · Total coliform health-based began May 1999 Resolved

Max contaminant level (MCL) · Total coliform health-based began Dec 1997 Resolved

Max contaminant level (MCL) · Total coliform health-based began Aug 1994 Resolved

Max contaminant level (MCL) · Total coliform health-based began Apr 1994 Resolved

Recent enforcement actions

State action · SOX Nov 2024
State action · SFL Oct 2024
State action · SIA Jul 2006
State action · SOX Jul 2006
State action · SOX Oct 2005
State action · SIA Oct 2005
State action · SOX Jun 2005
State action · SOX Feb 2004

This profile is built from EPA public records for system CA2710007 — 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.