EL SEGUNDO-CITY, WATER DEPT.

EL SEGUNDO, CA · ~16,445 people served

Check your exact address → EL SEGUNDO overview

100

Excellent

PurityRadar safety score

PWSID

CA1910040

State

California

City

EL SEGUNDO

Population served

16,445

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

Lithium

31,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2019. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2019 Resolved

Monitoring & reporting · Total coliform began Jan 1993 Resolved

Recent enforcement actions

State action · SOX Dec 2019
State action · SFL Dec 2019
State action · SOX Mar 1993
State action · SFJ Mar 1993

This profile is built from EPA public records for system CA1910040 — 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.