USAF EWS 28TH OSS-ELLSWORTH
South Dakota — Transient Non-Community — PWSID: WY5601117
System Information
| PWSID | WY5601117 |
| System Name | USAF EWS 28TH OSS-ELLSWORTH |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 14, 1990 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | South Dakota |
| City | ELLSWORTH AFB |
| ZIP Code | 57706 |
| Address | 2900 Doolittle Dr. |
| Organization | RUSSELL, ROBERT |
| Phone | 605-385-3172 |
Population & Service
| Population Served | 10 |
| Service Connections | 1 |
Drinking Water Violations (1)
This water system has 1 violation 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2014 | Jun 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | Total Coliform 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.