Home/ Directory/ CA/ CLOVERDALE, CITY OF

Water system · PWSID CA4910002

CLOVERDALE, CITY OF

CLOVERDALE, CA · ~10,398 people served

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

PWSID

CA4910002

State

California

City

CLOVERDALE

Population served

10,398

Primary source

GU

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

13

Violations on record

1

Unaddressed

2

Health-based

10

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2019. Official EPA record →

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed
Max contaminant level (MCL) · Total coliform health-based began Feb 2011 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2009 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2009 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2009 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Jan 2019
  • State action · SOX Jun 2011
  • State action · SFL Apr 2011
  • State action · SOX Jan 2010
  • State action · SFL Dec 2009
  • State action · SIA Feb 2007
  • State action · SOX Feb 2007
  • State action · SFJ Dec 2004

This profile is built from EPA public records for system CA4910002 — 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.