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Water system · PWSID CA4710011

YREKA, CITY OF

YREKA, CA · ~7,825 people served

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

PWSID

CA4710011

State

California

City

YREKA

Population served

7,825

Primary source

Surface water

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

4

Violations on record

2

Unaddressed

2

Health-based

3

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2000. Official EPA record →

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jun 1993 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jun 1993 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Mar 2000
  • State action · SOX Oct 1998
  • State action · SFK Oct 1994

This profile is built from EPA public records for system CA4710011 — 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.