Thompson Falls Dam Time Lapse Footage

Event Date:
Sunday, September 16, 2018 - 11:15pm

October 2017 through September 8, 2018

Northwestern Energy contracted IMCO to install two new 41-foot wide radial gates on the main dam spillway of Thompson Falls Dam in Sanders County, Montana.

The two new radial gates replace the existing flashboard system and will provide Northwestern Energy with additional automated spill capacity.