Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

JavaScript appears to be disabled on this computer. Please click here to see any active alerts.

NPDES Permit for the Jocko River Trout Hatchery Wastewater Treatment Facility in Montana

Under National Pollutant Discharge Elimination System permit number MT-0030546, the Jocko River Trout Hatchery is authorized to discharge treated wastewater from its fish hatchery in Lake County, Montana to the Jocko River.

MT0030546 Jocko River Trout Hatchery NPDES Permit (pdf) (381.85 KB, April 25, 2023)
The final NPDES discharge permit.
MT0030546 Jocko River Trout Hatchery Statement of Basis (pdf) (722.3 KB, April 25, 2023)
The statement of basis for the NPDES discharge permit.