SAN GABRIEL VALLEY WATER CO-MONTEBELLO 2

EL MONTE, CA · ~7,330 people served

Check your exact address → EL MONTE overview

100

Excellent

PurityRadar safety score

PWSID

CA1910117

State

California

City

EL MONTE

Population served

7,330

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 Oct 2023). Levels in parts per trillion (ppt).

Lithium

12,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2022. Official EPA record →

Reporting · Lead & Copper Rule began Jun 2021 Resolved

Reporting · Lead & Copper Rule began May 2021 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2021 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2021 Resolved

Reporting · Lead & Copper Rule began Apr 2021 Resolved

Max contaminant level (MCL) · Total coliform health-based began Oct 2001 Resolved

Recent enforcement actions

State action · SOX Jul 2022
State action · SOX Sep 2021
State action · SFL Aug 2021
State action · SFL Dec 2001
State action · SOX Dec 2001

This profile is built from EPA public records for system CA1910117 — 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.