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Water system · PWSID ID1090018

CLARK FORK CITY OF

CLARK FORK, ID · ~730 people served

Check your exact address → CLARK FORK overview
100
Excellent
PurityRadar safety score

PWSID

ID1090018

State

Idaho

City

CLARK FORK

Population served

730

Primary source

Groundwater

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

4

Violations on record

0

Unaddressed

0

Health-based

3

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2008. Official EPA record →

Monitoring & reporting · Nitrate began Jan 2007 Resolved
Monitoring & reporting · Nitrate began Jan 2007 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2005 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Nov 2008
  • State action · SOX Jul 2008
  • State action · SO6 Sep 1985

This profile is built from EPA public records for system ID1090018 — 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.