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Water system · PWSID WY5600177

DUBOIS, TOWN OF

DUBOIS, WY · ~1,822 people served

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

PWSID

WY5600177

State

Wyoming

City

DUBOIS

Population served

1,822

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

129

Violations on record

1

Unaddressed

1

Health-based

8

Enforcement actions

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

Treatment technique · Lead & Copper Rule health-based began Jul 2024 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jul 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2024 Resolved
Monitoring · Lead & Copper Rule began Apr 2022 Resolved
Monitoring · Lead & Copper Rule began Dec 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2019 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2019 Resolved
Monitoring & reporting · EPA contaminant 1075 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 1085 began Jan 2017 Resolved
Monitoring & reporting · Chromium (total) began Jan 2017 Resolved
Monitoring & reporting · Arsenic began Jan 2017 Resolved
Monitoring & reporting · Barium began Jan 2017 Resolved

Recent enforcement actions

  • State action · SOX Oct 2025
  • EPA/federal action · EFL Jun 2025
  • State action · SOX May 2022
  • State action · SOX Oct 2021
  • EPA/federal action · EFL Jul 2021
  • State action · SIF Feb 2021
  • State action · SOX Jan 2021
  • State action · SOX Jul 2020

This profile is built from EPA public records for system WY5600177 — 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.