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Water system · PWSID 101612109

FORT HALL

85
Excellent
PurityRadar safety score

PWSID

101612109

State

Idaho

City

FORT HALL

Population served

2,850

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

Latest detections from EPA’s UCMR5 monitoring (through May 2025). Levels in parts per trillion (ppt).

Lithium

33,000 ppt

limit —

No federal limit

Violations & enforcement

477

Violations on record

0

Unaddressed

4

Health-based

42

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2025. Official EPA record →

Other · EPA contaminant 7500 began Dec 2024 Addressed
Reporting · EPA contaminant 5200 began Oct 2024 Addressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Addressed
Monitoring & reporting · EPA contaminant 2063 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 3014 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2063 began Jul 2023 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2023 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2023 Resolved

Recent enforcement actions

  • EPA/federal action · EFL Nov 2025
  • EPA/federal action · EOX Aug 2025
  • EPA/federal action · EOX Dec 2024
  • EPA/federal action · EOX Aug 2024
  • EPA/federal action · EOX Jun 2024
  • EPA/federal action · EOX Feb 2023
  • EPA/federal action · EOX Apr 2022
  • EPA/federal action · EOX May 2017

This profile is built from EPA public records for system 101612109 — 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.