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NPDES Permit for City of Hardin Wastewater Treatment Plant in Montana

Under National Pollutant Discharge Elimination System permit number MT-0030759, the City of Hardin is authorized to discharge from its wastewater treatment plant located on the Crow Reservation in Big Horn County, Montana, to the Bighorn River.

Current Permit

MT0030759 City of Hardin WWTP NPDES Final Permit (pdf) (529.69 KB, October 26, 2023)
The NPDES discharge permit.
MT0030759 City of Hardin WWTP NPDES Statement of Basis (pdf) (617.55 KB, October 26, 2023)
The statement of basis for the NPDES discharge permit.