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Water system · PWSID WY5600022

GREYBULL, TOWN OF

GREYBULL, WY · ~3,260 people served

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

PWSID

WY5600022

State

Wyoming

City

GREYBULL

Population served

3,260

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

70

Violations on record

1

Unaddressed

0

Health-based

12

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2025 Unaddressed
Monitoring & reporting · Thallium began Jan 2024 Resolved
Monitoring & reporting · Gross alpha began Jan 2022 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jan 2022 Resolved
Monitoring & reporting · Uranium began Jan 2022 Resolved
Monitoring & reporting · Combined radium-226/228 began Jan 2022 Resolved
Monitoring & reporting · EPA contaminant 4020 began Jan 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2018 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2018 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 2017 Resolved

Recent enforcement actions

  • State action · SOX Sep 2025
  • State action · SOX Feb 2025
  • State action · SOX Oct 2020
  • State action · SOX Sep 2020
  • State action · SIA Mar 2001
  • State action · SOX Mar 2001
  • State action · SOX Jan 1997
  • State action · SO6 Sep 1989

This profile is built from EPA public records for system WY5600022 — 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.