STAR VALLEY RANCH, TOWN OF

STAR VALLEY RANCH, WY · ~2,030 people served

Check your exact address → STAR VALLEY RANCH overview

100

Excellent

PurityRadar safety score

PWSID

WY5600287

State

Wyoming

City

STAR VALLEY RANCH

Population served

2,030

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

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Treatment technique · Lead & Copper Rule health-based began Apr 2023 Unaddressed

Other · EPA contaminant 0700 began Sep 2015 Unaddressed

Monitoring & reporting · EPA contaminant 3014 began Oct 2025 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2024 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2024 Resolved

Other · EPA contaminant 7000 began Jul 2016 Resolved

Treatment technique · EPA contaminant 0700 health-based began Dec 2015 Resolved

Monitoring & reporting · Total coliform began Dec 2015 Resolved

Monitoring & reporting · EPA contaminant 3014 began Nov 2015 Resolved

Max contaminant level (MCL) · Total coliform health-based began Nov 2015 Resolved

Monitoring & reporting · Total coliform began Jun 2013 Resolved

Max contaminant level (MCL) · Total coliform health-based began Feb 2010 Resolved

Recent enforcement actions

State action · SOX Oct 2025
State action · SOX Jan 2025
State action · SIF Dec 2024
State action · SO6 Mar 2024
State action · SOX May 2018
State action · SOX May 2018
State action · SOX Apr 2017
State action · SIA Mar 2017

This profile is built from EPA public records for system WY5600287 — 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.