An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

NPDES Permit for Prairie Knights Casino Wastewater Treatment Facility in North Dakota

Under National Pollutant Discharge Elimination System permit number ND-0031135, the Prairie Knights Casino is authorized to discharge from its wastewater treatment facility located in the North 1/2 of Section 12, Township 132 N, Range 80 W, latitude 46.272717° and longitude -100.635361° of Sioux County, North Dakota to an unnamed tributary of Fool Bear Creek, a tributary of the Missouri River.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.