AMMON CITY OF

AMMON, ID · ~17,338 people served

Check your exact address → AMMON overview

100

Excellent

PurityRadar safety score

PWSID

ID7100004

State

Idaho

City

AMMON

Population served

17,338

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 Dec 2024). Levels in parts per trillion (ppt).

Lithium

46,300 ppt

limit —

No federal limit

Violations & enforcement

180

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Nitrate began Jan 2024 Resolved

Monitoring · Lead & Copper Rule began Nov 2021 Resolved

Monitoring & reporting · EPA contaminant 2274 began Jan 2020 Resolved

Monitoring & reporting · EPA contaminant 2306 began Jan 2020 Resolved

Monitoring & reporting · EPA contaminant 2110 began Jan 2020 Resolved

Monitoring & reporting · EPA contaminant 2959 began Jan 2020 Resolved

Monitoring & reporting · EPA contaminant 2326 began Jan 2020 Resolved

Monitoring & reporting · EPA contaminant 2065 began Jan 2020 Resolved

Recent enforcement actions

State action · SOX Jun 2025
State action · SIE Feb 2025
State action · SIE Feb 2025
State action · SIE Feb 2025
State action · SIE Feb 2025
State action · SIE Feb 2025
State action · SIA Feb 2025
State action · SIA Feb 2025

This profile is built from EPA public records for system ID7100004 — 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.