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Water system · PWSID ID3140125

TWIN BRIDGES SUBD

NAMPA, ID · ~28 people served

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

PWSID

ID3140125

State

Idaho

City

NAMPA

Population served

28

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

15

Violations on record

1

Unaddressed

2

Health-based

13

Enforcement actions

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

Other · EPA contaminant 7500 began May 2012 Unaddressed
Monitoring · Lead & Copper Rule began Nov 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2016 Resolved
Treatment technique · EPA contaminant 0700 health-based began Dec 2011 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1997 Resolved
Treatment technique · Mercury health-based began Jan 1997 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1996 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1995 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1995 Resolved
Monitoring & reporting · Total coliform began Nov 1994 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1994 Resolved
Monitoring & reporting · Total coliform began Jan 1994 Resolved

Recent enforcement actions

  • State action · SOX Feb 2025
  • State action · SIE Jan 2022
  • State action · SIA Jan 2022
  • State action · SOX Jan 2017
  • State action · SIE Jan 2017
  • State action · SIA Jan 2017
  • State action · SOX Nov 2013
  • State action · SOX Nov 2013

This profile is built from EPA public records for system ID3140125 — 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.