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South Dakota NPDES Permits

In South Dakota, EPA issues all NPDES permits on tribal lands. See the table below for final and draft permits issued by EPA. All other permits are issued by the South Dakota Dept. of Environment and Natural Resources.

For state-issued permits, visit  South Dakota's NPDES Permitting ProgramExit


Final and draft permits

The table below contains all final (i.e. active) and draft (i.e. proposed) NPDES permits issued by EPA within South Dakota. It includes permits for individual facilities, general permits, and stormwater permits. Click on the facility/permit name to view the permit and supporting documents.

South Dakota NPDES Permits
Location Facility or Permit Name Permit Number Permit Type Permit Status Effective Date
Various Wastewater Lagoons in Indian Country SDG589### General Final 01/01/2016
Standing Rock Indian Reservation (Corson County) Standing Rock Rural Water System SD0030996 Individual Draft N/A
Rosebud Indian Reservation (Todd County) Rosebud Casino and Hotel Wastewater Treatment Facility SD0034584 Individual Final 10/01/2017
Yankton Sioux Tribe Reservation (Charles Mix County) City of Wagner Wastewater Treatment Facility SD0020184 Individual Final 10/01/2017
Cheyenne River Sioux Reservation (Dewey County) City of Eagle Butte Wastewater Treatment Plant  SD0020192 Individual Final 11/01/2011
Standing Rock Sioux Tribe Reservation (Corson County) Wulf Cattle Depot SD0034606 Individual Final 06/01/2013
Lower Brule Reservation (Lyman County) Lower Brule Lagoon System SD-0020800 Individual Final 02/01/2016