COBB AREA COUNTY WATER DISTRICT

COBB, CA · ~3,515 people served

Check your exact address → COBB overview

Excellent

PurityRadar safety score

PWSID

CA1710012

State

California

City

COBB

Population served

3,515

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

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 Nov 2025. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jun 2025 Unaddressed

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2010 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2010 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 2009 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2006 Resolved

Monitoring & reporting · Total coliform began Mar 2004 Resolved

Recent enforcement actions

State action · SFJ Nov 2025
State action · SOX Jul 2016
State action · SOX Jul 2016
State action · SFL Dec 2010
State action · SFL Jul 2010
State action · SFL Aug 2009
State action · SOX Apr 2004
State action · SFL Apr 2004

This profile is built from EPA public records for system CA1710012 — 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.