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Water system · PWSID CA4110002

CITY OF BRISBANE

BRISBANE, CA · ~3,402 people served

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

PWSID

CA4110002

State

California

City

BRISBANE

Population served

3,402

Primary source

SWP

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

8

Violations on record

0

Unaddressed

4

Health-based

13

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2016. Official EPA record →

Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2016 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2013 Resolved
Monitoring & reporting · Total coliform began Aug 2012 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2010 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2000 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jun 1993 Resolved

Recent enforcement actions

  • State action · SOX Aug 2016
  • State action · SFL Jul 2016
  • State action · SOX Jan 2014
  • State action · SFL Nov 2013
  • State action · SOX Sep 2012
  • State action · SFL Sep 2012
  • State action · SFL Jan 2010
  • State action · SOX Jan 2010

This profile is built from EPA public records for system CA4110002 — 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.