Air Quality | Rocky Mountain Power, LLC – Hardin Generating Station
The Department of Environmental Quality has prepared a Proposed Permit regarding Operating Permit #OP3185-06, for Rocky Mountain Power, LLC – Hardin Generating Station.
Location:
- Section 12, Township 1 South, Range 33 East
- Big Horn County
Associated Materials:
EPA Review Period Ends:
- October 23, 2025 11:59PM
Contact: John P. Proulx
Tags: Air and Public Notice