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Water system · PWSID CA4900587

BRAND WATER COMPANY

OAKLAND, CA · ~112 people served

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

PWSID

CA4900587

State

California

City

OAKLAND

Population served

112

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

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

18

Violations on record

0

Unaddressed

2

Health-based

34

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2018. Official EPA record →

Monitoring & reporting · Nitrate began Jan 2006 Resolved
Monitoring & reporting · Nitrite began Jan 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2005 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2005 Resolved
Other · EPA contaminant 7000 began Jul 2001 Resolved
Monitoring & reporting · Total coliform began Mar 2000 Resolved
Monitoring & reporting · Total coliform began Nov 1999 Resolved
Monitoring & reporting · Total coliform began Jul 1999 Resolved
Monitoring & reporting · Total coliform began Sep 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1997 Resolved
Monitoring & reporting · Total coliform began Sep 1996 Resolved
Monitoring & reporting · Total coliform began Jul 1996 Resolved

Recent enforcement actions

  • State action · SOX Mar 2018
  • State action · SFL Apr 2011
  • State action · SFL Apr 2011
  • State action · SFL Dec 2007
  • State action · SOX Dec 2007
  • State action · SFL Jun 2007
  • State action · SOX Feb 2006
  • EPA/federal action · EOX Dec 2003

This profile is built from EPA public records for system CA4900587 — 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.