GRANT-ROBERTS RURAL WATER SYSTEM
South Dakota — Community Water System — PWSID: SD4600864
System Information
| PWSID | SD4600864 |
| System Name | GRANT-ROBERTS RURAL WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1982 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | MILBANK |
| ZIP Code | 57252 |
| Address | PO BOX 145 |
| Organization | GRANT-ROBERTS RURAL WATER SYSTEM |
| Phone | 6054326793 |
Population & Service
| Population Served | 5,050 |
| Service Connections | 2,020 |
Drinking Water Violations (6)
This water system has 6 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, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 11, 2015 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 5, 2015 | Ground Water Rule |
| Jan 11, 2015 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 5, 2015 | Ground Water Rule |
| Jul 1, 1998 | Dec 31, 1998 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1998 | Lead and Copper Rule |
| Jul 1, 1998 | Dec 31, 1998 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1998 | 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.