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Water system · PWSID CA3710001

CAL-AM WATER CORONADO

IMPERIAL BEACH, CA · ~106,000 people served

Check your exact address → IMPERIAL BEACH overview
100
Excellent
PurityRadar safety score

PWSID

CA3710001

State

California

City

IMPERIAL BEACH

Population served

106,000

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

Lithium

42,600 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

1

Health-based

2

Enforcement actions

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

Max contaminant level (MCL) · Lead & Copper Rule health-based began Aug 2023 Resolved

Recent enforcement actions

  • State action · SFL Oct 2023
  • State action · SOX Sep 2023

This profile is built from EPA public records for system CA3710001 — 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.