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Water system · PWSID CA5000008

KNIGHTS FERRY COMM. SVC. DIST.

KNIGHTS FERRY, CA · ~168 people served

Check your exact address → KNIGHTS FERRY overview
100
Excellent
PurityRadar safety score

PWSID

CA5000008

State

California

City

KNIGHTS FERRY

Population served

168

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

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

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

7

Violations on record

0

Unaddressed

6

Health-based

5

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2020. Official EPA record →

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2016 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Jun 2020
  • State action · SFL Mar 2017
  • State action · SOX Jun 2004
  • State action · SIE May 2003
  • State action · SOX Apr 2000

This profile is built from EPA public records for system CA5000008 — 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.