ST ANTHONY

ST ANTHONY, ID · ~3,606 people served

Check your exact address → ST ANTHONY overview

100

Excellent

PurityRadar safety score

PWSID

ID7220067

State

Idaho

City

ST ANTHONY

Population served

3,606

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

Latest detections from EPA’s UCMR5 monitoring (through Jul 2023). Levels in parts per trillion (ppt).

Lithium

33,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2023. Official EPA record →

Monitoring & reporting · EPA contaminant 0999 began Oct 2019 Resolved

Monitoring & reporting · EPA contaminant 0999 began Apr 2019 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2004 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2004 Resolved

Monitoring & reporting · Nitrate began Jan 2002 Resolved

Monitoring & reporting · Arsenic began Jan 2002 Resolved

Monitoring & reporting · Nitrate began Jan 1996 Resolved

Recent enforcement actions

State action · SOX Feb 2023
State action · SIE Feb 2020
State action · SIA Feb 2020
State action · SIE Aug 2019
State action · SIA Aug 2019
State action · SOX Jul 2005
State action · SOX Feb 2005
State action · SOX Oct 2003

This profile is built from EPA public records for system ID7220067 — 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.