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Water system · PWSID CA5301102

TRINITY KNOLLS MUTUAL WATER COMPANY

TRINITY CENTER, CA · ~338 people served

Check your exact address → TRINITY CENTER overview
85
Excellent
PurityRadar safety score

PWSID

CA5301102

State

California

City

TRINITY CENTER

Population served

338

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

10

Violations on record

2

Unaddressed

7

Health-based

14

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Other · EPA contaminant 7000 began Jul 2018 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1997 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1996 Resolved
Monitoring & reporting · Total coliform began Nov 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1993 Resolved

Recent enforcement actions

  • State action · SOX Dec 2019
  • State action · SIA Nov 2019
  • State action · SOX Sep 1997
  • State action · SIA Sep 1997
  • State action · SOX Feb 1997
  • State action · SFJ Feb 1997
  • State action · SOX Oct 1996
  • State action · SIA Oct 1996

This profile is built from EPA public records for system CA5301102 — 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.