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Water system · PWSID CA1910211

LIBERTY UTILITIES - BELLFLOWER-NORWALK

DOWNEY, CA · ~72,624 people served

Check your exact address → DOWNEY overview
30
Action needed
PurityRadar safety score

PWSID

CA1910211

State

California

City

DOWNEY

Population served

72,624

Primary source

SWP

Score history

▼ 70 points — the score moved from 100 to 30 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 30

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 May 2024). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

51 ppt

limit 4 ppt

Above EPA limit · 12.7×

PFOA

Perfluorooctanoic acid

16 ppt

limit 4 ppt

Above EPA limit · 4.0×

PFHxS

Perfluorohexanesulfonic acid

11 ppt

limit 10 ppt

Above EPA limit · 1.1×

Lithium

87,600 ppt

limit —

No federal limit

PFPeA

7.6 ppt

limit —

No federal limit

PFBA

7.5 ppt

limit —

No federal limit

PFBS

5.7 ppt

limit —

No federal limit

PFHxA

5.3 ppt

limit —

No federal limit

PFHpA

3.7 ppt

limit —

No federal limit

Violations & enforcement

No violations are on record for this system in EPA’s SDWIS/ECHO data.

This profile is built from EPA public records for system CA1910211 — 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.