POISON SPIDER I&S DISTRICT

CASPER, WY · ~200 people served

Check your exact address → CASPER overview

100

Excellent

PurityRadar safety score

PWSID

WY5600073

State

Wyoming

City

CASPER

Population served

200

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 2010. Official EPA record →

Monitoring & reporting · EPA contaminant 0999 began Jul 2009 Resolved

Other · EPA contaminant 7000 began Jul 2008 Resolved

Other · EPA contaminant 7000 began Oct 2007 Resolved

Other · EPA contaminant 7000 began Jul 2007 Resolved

Monitoring & reporting · Total coliform began Oct 2006 Resolved

Monitoring & reporting · Total coliform began Sep 2006 Resolved

Monitoring & reporting · Total coliform began Jun 2006 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2005 Resolved

Monitoring & reporting · Total coliform began Aug 2005 Resolved

Monitoring & reporting · Total coliform began Apr 2005 Resolved

Monitoring & reporting · Total coliform began Feb 2003 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 1993 Resolved

Recent enforcement actions

State action · SOX Jul 2010
State action · SOX Jul 2010
State action · SOX Dec 2008
State action · SOX Jul 2008
EPA/federal action · EOX Jul 2008
State action · SIF Nov 2007
State action · SOX Nov 2007
State action · SIA Oct 2007

This profile is built from EPA public records for system WY5600073 — 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.