NPDES Permit for Charlo Wastewater Treatment Facility in Montana
Under National Pollutant Discharge Elimination System permit number MT-0022551, the Charlo Wastewater Treatment Facility is authorized to discharge from its wastewater treatment facility located on the Flathead Reservation in Lake County, Montana , to an unnamed tributary to Dublin Gulch.
The EPA is accepting public comment on the renewal of this permit through November 17, 2025.