Pursuant to the Montana Floodplain and Floodway Management Act (Title 76 Chapter 5 M.C.A.) and the Gallatin County Floodplain Regulations, the Gallatin County Planning Department regulates development in the 100-year floodplain through the issuance of floodplain permits.
If you are located near a river and intend to build a home or some other structure, please contact the Planning Department regarding the need for a floodplain permit.
Links to Planning Department Information on Floodplains:
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