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Water system · PWSID CA1910125

PICO WD

PICO RIVERA, CA · ~22,051 people served

Check your exact address → PICO RIVERA overview
34
Action needed
PurityRadar safety score

PWSID

CA1910125

State

California

City

PICO RIVERA

Population served

22,051

Primary source

Groundwater

Score history

▼ 66 points — the score moved from 100 to 34 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 34

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

23 ppt

limit 4 ppt

Above EPA limit · 5.8×

PFOA

Perfluorooctanoic acid

11 ppt

limit 4 ppt

Above EPA limit · 2.8×

PFHxS

Perfluorohexanesulfonic acid

5 ppt

limit 10 ppt

Near EPA limit

PFPeA

8.6 ppt

limit —

No federal limit

PFBA

8.4 ppt

limit —

No federal limit

PFHxA

7.8 ppt

limit —

No federal limit

PFBS

6.8 ppt

limit —

No federal limit

PFDA

5.1 ppt

limit —

No federal limit

PFHpA

3.4 ppt

limit —

No federal limit

Violations & enforcement

23

Violations on record

0

Unaddressed

2

Health-based

10

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2024. Official EPA record →

Monitoring & reporting · EPA contaminant 2996 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2991 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2992 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 2979 began Jan 2021 Resolved

Recent enforcement actions

  • State action · SOX Feb 2024
  • State action · SOX Feb 2024
  • State action · SFL May 2023
  • State action · SFL Feb 2023
  • EPA/federal action · EOX Mar 2000
  • State action · SOX Nov 1993
  • State action · SFM Nov 1993
  • State action · SFJ Oct 1993

This profile is built from EPA public records for system CA1910125 — 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.