NPDES Permit for Wesco Operating, Inc. – Winkleman Dome Field in Wyoming

Under National Pollutant Discharge Elimination System permit number WY-0025232, Wesco Operating, Inc. is authorized to discharge from its Tensleep #1 (Winkleman Dome Field) wastewater treatment facility located on the Wind River Indian Reservation at 43.1429° N, 108.9177° W, in Fremont County, Wyoming to an unnamed ephemeral tributary of Big Horn Draw, which is a tributary to the Little Wind River.

• WY-0025232 Wesco Operating, Inc. – Winkleman Dome Field Permit (pdf) (12.21 MB, March 12, 2015)
• WY-0025232 Wesco Operating, Inc. – Winkleman Dome Field Statement of Basis (pdf) (1.89 MB, February 24, 2015)
• WY-0025232 Wesco Operating, Inc. – Winkleman Dome Field Response to Comments (pdf) (108.1 KB, March 9, 2015)
• WY-0025232 Wesco Operating, Inc. – Winkleman Dome Field Response to Permit-Specific Comments (pdf) (81.39 KB, March 9, 2015)
• WY-0025232 Wesco Operating, Inc. – Winkleman Dome Field Permit Modification Transmittal Letter (pdf) (692.17 KB, July 21, 2016)
• WY-0025232 Wesco Operating, Inc. – Winkleman Dome Field Permit Modification (pdf) (4.38 MB, July 20, 2016)
• WY-0025232 Wesco Operating, Inc. – Winkleman Dome Field Statement of Basis Addendum (pdf) (128.41 KB, July 21, 2016)