CAL AMERICAN - YERBA BUENA

ROSEMEAD, CA · ~690 people served

Check your exact address → ROSEMEAD overview

100

Excellent

PurityRadar safety score

PWSID

CA5610006

State

California

City

ROSEMEAD

Population served

690

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2008. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2004 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2004 Resolved

Monitoring & reporting · Total coliform began Oct 2001 Resolved

Monitoring & reporting · Total coliform began May 1998 Resolved

Monitoring & reporting · Lead & Copper Rule began Dec 1997 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

State action · SOX Aug 2008
State action · SFL Mar 2005
EPA/federal action · EOX Dec 2003
State action · SOX Nov 2001
State action · SFL Nov 2001
State action · SOX Sep 2000
State action · SFL Mar 2000
State action · SOX Sep 1998

This profile is built from EPA public records for system CA5610006 — 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.