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Water system · PWSID CA4710004

ETNA, CITY OF

ETNA, CA · ~720 people served

Check your exact address → ETNA overview
100
Excellent
PurityRadar safety score

PWSID

CA4710004

State

California

City

ETNA

Population served

720

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

6

Violations on record

0

Unaddressed

2

Health-based

14

Enforcement actions

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

Monitoring · Lead & Copper Rule began Mar 2020 Resolved
Other · EPA contaminant 7000 began Jul 2018 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2014 Resolved
Monitoring & reporting · Total coliform began Dec 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2001 Resolved
Monitoring & reporting · Nitrate began Dec 2000 Resolved

Recent enforcement actions

  • State action · SOX May 2020
  • State action · SFJ Apr 2020
  • State action · SOX Mar 2020
  • State action · SOX Jul 2019
  • State action · SFL Jun 2019
  • State action · SFJ Jan 2019
  • State action · SOX Mar 2018
  • State action · SOX Jun 2014

This profile is built from EPA public records for system CA4710004 — 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.