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Water system · PWSID CA4910005

HEALDSBURG, CITY OF

HEALDSBURG, CA · ~10,985 people served

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

PWSID

CA4910005

State

California

City

HEALDSBURG

Population served

10,985

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

Latest detections from EPA’s UCMR5 monitoring (through May 2025). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

4.3 ppt

limit 10 ppt

Below EPA limit

PFBS

5.2 ppt

limit —

No federal limit

PFDoA

3.1 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

0

Unaddressed

3

Health-based

11

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2007. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Apr 2000 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 1996 Resolved
Treatment technique · EPA contaminant 0200 health-based began May 1995 Resolved

Recent enforcement actions

  • State action · SOX May 2007
  • State action · SOX Jun 2000
  • State action · SFJ Jun 2000
  • EPA/federal action · EOX Mar 2000
  • State action · SOX Jul 1996
  • State action · SIA Jul 1996
  • State action · SOX May 1996
  • State action · SIE Dec 1995

This profile is built from EPA public records for system CA4910005 — 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.