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Water system · PWSID CA5400542

DUCOR CSD

DUCOR, CA · ~616 people served

Check your exact address → DUCOR overview
85
Excellent
PurityRadar safety score

PWSID

CA5400542

State

California

City

DUCOR

Population served

616

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

17

Violations on record

2

Unaddressed

10

Health-based

20

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2016. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring · Lead & Copper Rule began Apr 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2013 Resolved
Other · EPA contaminant 7000 began Jul 2011 Resolved
Monitoring & reporting · Total coliform began Feb 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2010 Resolved
Max contaminant level (MCL) · Nitrate health-based began Jan 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2007 Resolved

Recent enforcement actions

  • State action · SOX Jul 2016
  • State action · SOX May 2016
  • State action · SOX Sep 2013
  • State action · SFL Sep 2013
  • State action · SOX Sep 2011
  • State action · SIA Jul 2011
  • State action · SOX Apr 2011
  • State action · SIA Mar 2011

This profile is built from EPA public records for system CA5400542 — 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.