DOWNER NEIGHBORHOOD I&S DISTRICT

SHERIDAN, WY · ~400 people served

Check your exact address → SHERIDAN overview

100

Excellent

PurityRadar safety score

PWSID

WY5601537

State

Wyoming

City

SHERIDAN

Population served

400

Primary source

SWP

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 Jul 2015. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2014 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2014 Resolved

Monitoring & reporting · Total coliform began Aug 2003 Resolved

Monitoring & reporting · Total coliform began Jul 2003 Resolved

Recent enforcement actions

State action · SOX Jul 2015
State action · SOX May 2004

This profile is built from EPA public records for system WY5601537 — 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.