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Water system · PWSID WY5600067

BAR NUNN, TOWN OF

BAR NUNN, WY · ~4,000 people served

Check your exact address → BAR NUNN overview
100
Excellent
PurityRadar safety score

PWSID

WY5600067

State

Wyoming

City

BAR NUNN

Population served

4,000

Primary source

SWP

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

Lithium

35,000 ppt

limit —

No federal limit

Violations & enforcement

2

Violations on record

0

Unaddressed

1

Health-based

5

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2012. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Aug 2012 Resolved
Monitoring & reporting · Total coliform began Jul 2011 Resolved

Recent enforcement actions

  • State action · SOX Sep 2012
  • State action · SIF Aug 2012
  • State action · SIF Jul 2012
  • State action · SIA Aug 2011
  • State action · SOX Aug 2011

This profile is built from EPA public records for system WY5600067 — 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.