Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

JavaScript appears to be disabled on this computer. Please click here to see any active alerts.

NPDES Permit for Thunder Butte Wastewater Treatment Facility in North Dakota

Under National Pollutant Discharge Elimination System permit number ND-0000005, the Thunder Butte Wastewater Treatment Facility is authorized to discharge from its wastewater treatment facility located on the Fort Berthold Reservation in McKenzie County, North Dakota, to an unnamed tributary of Clarks Creek.

Draft Permit

This is a new permit and is not yet effective. The EPA is accepting public comment on the draft documents through December 6, 2024.

Thunder Butte WWTF Draft NPDES Permit ND-0000005 (pdf) (559.46 KB, November 5, 2024)
The draft NPDES discharge permit.
Thunder Butte WWTF Draft Statement of Basis ND-0000005 (pdf) (651.94 KB, November 5, 2024)
The statement of basis for the draft NPDES discharge permit.