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Water system · PWSID CA3310012

ELSINORE VALLEY MWD

LAKE ELSINORE, CA · ~169,455 people served

Check your exact address → LAKE ELSINORE overview
100
Excellent
PurityRadar safety score

PWSID

CA3310012

State

California

City

LAKE ELSINORE

Population served

169,455

Primary source

Surface water

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 Dec 2025). Levels in parts per trillion (ppt).

Lithium

22,000 ppt

limit —

No federal limit

PFBA

7 ppt

limit —

No federal limit

Violations & enforcement

8

Violations on record

0

Unaddressed

4

Health-based

14

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2014. Official EPA record →

Monitoring & reporting · Total coliform began Jul 2014 Resolved
Treatment technique · Bromate health-based began Jan 2007 Resolved
Treatment technique · Bromate health-based began Oct 2006 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2006 Resolved
Monitoring & reporting · Total coliform began Sep 1997 Resolved
Monitoring & reporting · Total coliform began Feb 1996 Resolved
Monitoring & reporting · Lead & Copper Rule began Jun 1993 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 1993 Resolved

Recent enforcement actions

  • State action · SFJ Sep 2014
  • State action · SOX Aug 2014
  • State action · SOX Aug 2007
  • State action · SFJ Jun 2007
  • State action · SFJ Jan 2007
  • State action · SOX Sep 2006
  • State action · SFJ Jul 2006
  • EPA/federal action · EOX Mar 2000

This profile is built from EPA public records for system CA3310012 — 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.