ST. STEPHENS INDIAN MISSION, INC.
Wyoming — Non-Transient Non-Community — PWSID: WY5601482
System Information
| PWSID | WY5601482 |
| System Name | ST. STEPHENS INDIAN MISSION, INC. |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | May 16, 2001 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Wyoming |
| City | ST STEPHENS |
| ZIP Code | 82524 |
| Address | PO BOX 250 |
| Organization | — |
| Phone | 307-856-7806 |
Population & Service
| Population Served | 87 |
| Service Connections | 6 |
Drinking Water Violations (4)
This water system has 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Jul 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 25, 2002 | Lead and Copper Rule |
| Jul 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 25, 2002 | Lead and Copper 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.