ELLSWORTH AFB
South Dakota — Community Water System — PWSID: SD4680004
System Information
| PWSID | SD4680004 |
| System Name | ELLSWORTH AFB |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1982 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | ELLSWORTH AFB |
| ZIP Code | 57706 |
| Address | 2125 SCOTT DRIVE 28 CES/ CEOIU |
| Organization | ELLSWORTH AFB |
| Phone | 6053855395 |
Population & Service
| Population Served | 9,100 |
| Service Connections | 2,000 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | Total Coliform Rule |
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | Total Coliform Rule |
| Aug 1, 2014 | Aug 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2014 | Total Coliform Rule |
| Aug 1, 2014 | Aug 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2014 | Total Coliform Rule |
| Aug 1, 2014 | Aug 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2014 | Total Coliform Rule |
| Aug 1, 2014 | Aug 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2014 | Total Coliform Rule |
| Apr 22, 2013 | — | Other | No | No | — | — | — | Resolved | May 5, 2014 | Ground Water Rule | |
| Apr 22, 2013 | — | Other | No | No | — | — | — | Resolved | May 5, 2014 | Ground Water Rule | |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | Total Coliform Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | 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.