CAL/AM WATER COMPANY - SAN MARINO

ROSEMEAD, CA · ~47,995 people served

Check your exact address → ROSEMEAD overview

100

Excellent

PurityRadar safety score

PWSID

CA1910139

State

California

City

ROSEMEAD

Population served

47,995

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

Latest detections from EPA’s UCMR5 monitoring (through Feb 2024). Levels in parts per trillion (ppt).

Lithium

91,900 ppt

limit —

No federal limit

PFBA

5.3 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2023. Official EPA record →

Monitoring & reporting · EPA contaminant 2039 began Jan 2020 Resolved

Recent enforcement actions

State action · SFL Dec 2023
State action · SOX Nov 2023
State action · SOX May 2023
State action · SOX Mar 2020
State action · SFL Feb 2020

This profile is built from EPA public records for system CA1910139 — 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.