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Water system · PWSID WY5600007

BIG PINEY, TOWN OF

BIG PINEY, WY · ~445 people served

Check your exact address → BIG PINEY overview
100
Excellent
PurityRadar safety score

PWSID

WY5600007

State

Wyoming

City

BIG PINEY

Population served

445

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

47

Violations on record

1

Unaddressed

2

Health-based

16

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2021. Official EPA record →

Other · EPA contaminant 0700 began Aug 2015 Unaddressed
Monitoring & reporting · Thallium began Apr 2021 Resolved
Monitoring & reporting · Thallium began Apr 2021 Resolved
Monitoring & reporting · Nitrite began Apr 2021 Resolved
Monitoring & reporting · Nitrite began Apr 2021 Resolved
Monitoring & reporting · EPA contaminant 2979 began Jan 2018 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2018 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 2018 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 2018 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2018 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2018 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2018 Resolved

Recent enforcement actions

  • State action · SOX Aug 2021
  • State action · SOX Jul 2021
  • State action · SOX Jan 2019
  • State action · SOX Nov 2017
  • State action · SOX Nov 2017
  • State action · SOX Nov 2017
  • State action · SIE Sep 2017
  • State action · SIA Sep 2017

This profile is built from EPA public records for system WY5600007 — 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.