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 | Mar 2, 2026 |
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 (10)
This water system has 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Feb 1, 2001 | Feb 28, 2001 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 2001 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1995 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1994 | - | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1994 | - | |
| Oct 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 1993 | - | |
| Jul 1, 1992 | Sep 30, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1992 | - | |
| Apr 1, 1992 | Jun 30, 1992 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1992 | - |
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.