PIONEER WATER & SEWER DISTRICT
Wyoming — Community Water System — PWSID: WY5600828
System Information
| PWSID | WY5600828 |
| System Name | PIONEER WATER & SEWER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 13, 1983 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Wyoming |
| City | CASPER |
| ZIP Code | 82604 |
| Address | 8917 POISON SPIDER RD |
| Organization | BAYNE, LEE ANNE |
| Phone | 307-472-7300 |
Population & Service
| Population Served | 1,500 |
| Service Connections | 337 |
Drinking Water Violations (5)
This water system has 5 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2024 | Nov 30, 2024 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Nov 30, 2024 | Surface Water Treatment Rule |
| Apr 1, 2022 | Apr 30, 2022 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Apr 30, 2022 | Surface Water Treatment Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 30, 2014 | Consumer Confidence Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 1, 2008 | Consumer Confidence Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 1, 2008 | Consumer Confidence Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.