Home/ Directory/ CA/ CITY OF ORANGE

Water system · PWSID CA3010027

CITY OF ORANGE

ORANGE, CA · ~120,770 people served

Check your exact address → ORANGE overview
26
Action needed
PurityRadar safety score

PWSID

CA3010027

State

California

City

ORANGE

Population served

120,770

Primary source

SWP

Score history

▼ 74 points — the score moved from 100 to 26 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 26

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

PFOS

Perfluorooctanesulfonic acid

9.7 ppt

limit 4 ppt

Above EPA limit · 2.4×

PFOA

Perfluorooctanoic acid

6.7 ppt

limit 4 ppt

Above EPA limit · 1.7×

PFHxS

Perfluorohexanesulfonic acid

5.1 ppt

limit 10 ppt

Near EPA limit

Lithium

27,874 ppt

limit —

No federal limit

PFBA

9.6 ppt

limit —

No federal limit

PFPeA

4 ppt

limit —

No federal limit

PFHxA

3.4 ppt

limit —

No federal limit

PFBS

3 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

0

Health-based

6

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2018 Resolved

Recent enforcement actions

  • State action · SOX Aug 2019
  • State action · SFL Nov 2018
  • EPA/federal action · EOX Mar 2000
  • EPA/federal action · EOX Dec 1993
  • EPA/federal action · EFJ May 1993
  • EPA/federal action · EOX Dec 1992

This profile is built from EPA public records for system CA3010027 — 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.