South Dakota NPDES Permits
In South Dakota, EPA issues all NPDES permits on tribal lands (see table below). All other permits are issued by the South Dakota Department of Environment & Natural Resources.
For state-issued permits, visit South Dakota's NPDES Permitting Program
New and Related items:
- About Region 8's NPDES Permit Program
- View Public Notices about South Dakota NPDES Permits
- Maher Cattle Scoping Notice
Click on the facility/permit name to view the permit and supporting documents.
| Location | Facility or Permit Name | Permit Number | Permit Status | Effective Date | Expiration Date |
|---|---|---|---|---|---|
| Various | General Permit for Wastewater Discharges Associated with Drinking Water Production in Indian Country | SDDW#### | Final | 2019-07-31 | 2024-06-30 |
| Various | General Permit for Wastewater Lagoons in Indian Country | SDG589### | Final | 2022-04-01 | 2027-03-31 |
| Pine Ridge Reservation (Oglala County) | Prairie Wind Casino Wastewater Treatment Plant | SD0034760 | Final | 2019-07-31 | 2024-06-30 |
| Rosebud Indian Reservation (Todd County) | Rosebud Hotel and Casino Wastewater Treatment Facility | SD0034584 | Final | 2023-10-01 | 2028-09-30 |
| Yankton Reservation (Charles Mix County) | City of Wagner Wastewater Treatment Facility | SD0020184 | Final | 2024-10-01 | 2029-09-30 |
| Cheyenne River Reservation (Dewey County) | City of Eagle Butte Wastewater Treatment Facility | SD0020192 | Final | 2021-07-01 | 2026-06-30 |
| Standing Rock Reservation (Corson County) | Wulf Cattle Depot | SD0034606 | Final | 2013-06-01 | 2018-05-31 |
| Standing Rock Reservation (Corson County) | Grand River Casino and Resort Wastewater Treatment Facility | SD0034752 | Final | 2019-02-01 | 2024-01-31 |
| Lower Brule Reservation (Lyman County) | Lower Brule Lagoon System | SD0020800 | Final | 2022-01-01 | 2026-12-31 |