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Water system · PWSID CA1910159

TRACT 180 MUTUAL WATER CO.

CUDAHY, CA · ~14,000 people served

Check your exact address → CUDAHY overview
44
Action needed
PurityRadar safety score

PWSID

CA1910159

State

California

City

CUDAHY

Population served

14,000

Primary source

Groundwater

Score history

▼ 56 points — the score moved from 100 to 44 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 44

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

PFOS

Perfluorooctanesulfonic acid

24 ppt

limit 4 ppt

Above EPA limit · 6.0×

PFOA

Perfluorooctanoic acid

6 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFHxS

Perfluorohexanesulfonic acid

4.5 ppt

limit 10 ppt

Below EPA limit

PFHxA

3.1 ppt

limit —

No federal limit

Violations & enforcement

35

Violations on record

0

Unaddressed

2

Health-based

14

Enforcement actions

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

Monitoring · Lead & Copper Rule began Feb 2024 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2033 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2034 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2020 Resolved

Recent enforcement actions

  • State action · SFL Mar 2024
  • State action · SOX Mar 2024
  • State action · SFL Jan 2024
  • State action · SOX Jan 2023
  • State action · SOX Jun 2017
  • State action · SFJ Jun 2017
  • EPA/federal action · EOX Mar 2000
  • State action · SFJ Jun 1997

This profile is built from EPA public records for system CA1910159 — 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.