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Water system · PWSID WY5600048

ROCK RIVER, TOWN OF

ROCK RIVER, WY · ~211 people served

Check your exact address → ROCK RIVER overview
100
Excellent
PurityRadar safety score

PWSID

WY5600048

State

Wyoming

City

ROCK RIVER

Population served

211

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

15

Violations on record

0

Unaddressed

7

Health-based

18

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2020. Official EPA record →

Monitoring & reporting · Bromate began Jan 2020 Resolved
Monitoring & reporting · Total coliform began Aug 2015 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2012 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2012 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2011 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jul 2011 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2011 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jan 2011 Resolved
Treatment technique · EPA contaminant 0200 health-based began Oct 2009 Resolved
Monitoring & reporting · EPA contaminant 0200 began Oct 2009 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2008 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2008 Resolved

Recent enforcement actions

  • State action · SOX Sep 2020
  • State action · SOX Sep 2015
  • State action · SOX Dec 2012
  • State action · SIA Jul 2011
  • State action · SOX Jul 2011
  • State action · SOX Mar 2011
  • State action · SIA Feb 2011
  • EPA/federal action · EF< Sep 2010

This profile is built from EPA public records for system WY5600048 — 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.