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Posted on: November 15, 2019

Comment on Rattlesnake Dam Removal Draft EA


Montana Fish, Wildlife and Parks is accepting public comment on the Draft Environmental Assessment (EA) for the Rattlesnake Creek Dam Removal Project through Thursday, December 12, 2019, 5:00 p.m. View the EA and submit comments at

The EA may also be obtained by mail from Region 2 FWP at 3201 Spurgin Road; by phoning 406-542-5500; by emailing; or by viewing FWP's webpage

The City of Missoula acquired the approximately 45-acre lower Rattlesnake Creek Dam property and associated infrastructure and water rights along with the City’s purchase of Missoula Water in 2017. Montana Fish, Wildlife & Parks, the City of Missoula and Missoula Water, and Trout Unlimited developed a partnership to evaluate and implement mitigation options for the deteriorating dam structure on lower Rattlesnake Creek, located approximately 3.5 miles upstream from the confluence with the Clark Fork River.

The partnership evaluated the current condition of the dam and associated facilities and developed a range of conceptual alternatives for managing site infrastructure while incorporating ecological restoration of the Rattlesnake stream corridor and affected areas. The City of Missoula conducted an extensive public process to gather input on the community’s goals for the area and desired outcomes for the project. A public opinion survey was conducted in March 2018 to solicit feedback on four project design alternatives.

The proposed action (Alternative 3) is an active restoration option that would include: full dam infrastructure removal, reconstruction of the Rattlesnake Creek and floodplain to tie in 200-feet downstream of the dam, raising the channel profile to improve floodplain connection, construction of off-channel habitat features, and revegetation of the constructed streambanks, floodplain and disturbed areas.

For more information about the project, visit or contact Conservation Lands Manager Morgan Valliant at or 721-PARK (7275.) For information about the Draft EA, contact Montana Fish, Wildlife and Parks Region 2 Headquarters at 406-542-5500.

Photo credit Catherine L. Waters.

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