310 Permits

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Within the Missoula City limits of 1946, the Missoula County Commissioners administer the Natural Streambed and Land Preservation Act of 1975. 310 Permits are required for any activity conducted by a non-governmental body that results in a change in the state of a natural perennial-flowing stream or river, its bed or its immediate bank. Missoula County's 310 jurisdiction includes the Clark Fork River and Rattlesnake Creek within the 1946 Missoula City limits.


Click on the image to view an interactive map of 310 permits and the jurisdictional boundary.


For areas outside of the 1946 Missoula City limits, contact the Missoula Conservation District at 829-3395. 

Community and Planning Services (CAPS) is the designated agent for the County Commissioners in processing 310 Permits. For additional information, please contact Jamie Erbacher or Todd Klietz at 258.4657.

Missoula County 310 Administrative Rules

Joint Application Instructions (Word)

Joint Application (.pdf)

Official Complaint Form (State of Montana Natural Streambed and Land Preservation Act)

Notice of Emergency (Word)


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