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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.

Current Permit

Thunder Butte WWTF NPDES Permit ND-0000005 (pdf) (473.25 KB, February 26, 2025)
The NPDES discharge permit.
Thunder Butte WWTF Statement of Basis ND-0000005 (pdf) (583.9 KB, December 19, 2024)
The statement of basis for the NPDES discharge permit.
Thunder Butte WWTF Addendum to Statement of Basis ND-0000005 (pdf) (125.51 KB, February 26, 2025)
The addendum to the Statement of Basis.