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Water system · PWSID ID3140080

NAMPA CITY OF

NAMPA, ID · ~100,200 people served

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

PWSID

ID3140080

State

Idaho

City

NAMPA

Population served

100,200

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 Oct 2025). Levels in parts per trillion (ppt).

Lithium

14,100 ppt

limit —

No federal limit

Violations & enforcement

83

Violations on record

0

Unaddressed

0

Health-based

14

Enforcement actions

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

Monitoring & reporting · EPA contaminant 0999 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2034 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2033 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jan 2011 Resolved

Recent enforcement actions

  • State action · SIE May 2023
  • State action · SIA May 2023
  • State action · SOX Apr 2023
  • State action · SOX Nov 2016
  • State action · SOX Jun 2009
  • State action · SOX Oct 2004
  • State action · SOX Aug 2004
  • State action · SOX Jan 2004

This profile is built from EPA public records for system ID3140080 — 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.