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Water system · PWSID WY5601719

NORTH FORTY SUBDIVISION

THAYNE, WY · ~15 people served

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

PWSID

WY5601719

State

Wyoming

City

THAYNE

Population served

15

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

24

Violations on record

0

Unaddressed

1

Health-based

8

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Dec 2024 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jan 2023 Resolved
Monitoring & reporting · Uranium began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 4020 began Jan 2023 Resolved
Monitoring & reporting · Gross alpha began Jan 2023 Resolved
Monitoring & reporting · Combined radium-226/228 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 4020 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 4030 began Oct 2022 Resolved
Monitoring & reporting · Gross alpha began Oct 2022 Resolved
Monitoring & reporting · Combined radium-226/228 began Oct 2022 Resolved
Monitoring & reporting · Uranium began Oct 2022 Resolved

Recent enforcement actions

  • State action · SOX Apr 2025
  • State action · SOX Jan 2025
  • State action · SOX Apr 2024
  • State action · SOX Feb 2023
  • State action · SOX Dec 2022
  • State action · SOX Jun 2022
  • State action · SOX Dec 2021
  • State action · SOX Sep 2020

This profile is built from EPA public records for system WY5601719 — 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.