Under National Pollutant Discharge Elimination System permit number UT-0025259, the American Gilsonite Company is authorized to discharge from its mining operation at its Cottonwood Mine in Uintah County, Utah, to an unnamed ephemeral drainage tributary to the White River in accordance with discharge point(s), effluent limitations, monitoring requirements and other conditions set forth herein. Authorization for discharge is limited to those outfalls specifically listed in the permit.

• UT-0025259 American Gilsonite Company – Cottonwood Mine NPDES Permit (PDF)(22 pp, 2 MB, August 19, 2016)
• UT-0025259 American Gilsonite Company – Cottonwood Mine NPDES Statement of Basis for Permit (PDF)(12 pp, 2 MB, August 1, 2016)