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Water system · PWSID WY5600202

DAYTON, TOWN OF

DAYTON, WY · ~824 people served

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

PWSID

WY5600202

State

Wyoming

City

DAYTON

Population served

824

Primary source

Surface water

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

36

Violations on record

0

Unaddressed

0

Health-based

21

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2014. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2012 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2012 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2010 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2010 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2009 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2009 Resolved
Monitoring & reporting · Total coliform began Feb 2009 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2005 Resolved

Recent enforcement actions

  • State action · SOX Aug 2014
  • State action · SOX Aug 2014
  • State action · SOX Dec 2012
  • State action · SOX May 2011
  • State action · SOX Jul 2010
  • State action · SOX Jul 2010
  • State action · SOX Apr 2009
  • State action · SOX Jul 2007

This profile is built from EPA public records for system WY5600202 — 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.