Below is the most current technical information available for the West Gallatin River and Bozeman Creek Mapping Restudies. FEMA's Preliminary Flood Insurance Rate Maps and Preliminary Flood Insurance Study will go through an official comment and appeal period (anticipated to begin mid-July 2018). Maps will then be finalized and go effective in the Summer 2019. 

Preliminary Flood Insurance Study (FIS)
Preliminary FIS: Volume 1   Prepared by FEMA (Revised 2/16/18)
Preliminary FIS: Volume 2   Prepared by FEMA (Revised 2/16/18) 
Preliminary FIS: Volume 3   Prepared by FEMA (Revised 2/16/18)  

Preliminary Flood Insurance Rate Maps
Index 1B
Index 2B 

Hydrologic Reports
Hydrologic Analysis: Bozeman Creek   Prepared by RESPEC (April 2014)
Hydrologic Analysis: Nash Spring   Prepared by RESPEC (March 2014)
Hydrologic Analysis: Flat Creek   Prepared by RESPEC (January 2014)
Hydrologic Analysis: Figgins Creek   Prepared by RESPEC (March 2014)
Hydrologic Analysis: Mathew-Bird Creek   Prepared by RESPEC (March 2014)
Hydrologic Analysis: Mill Ditch   Prepared by RESPEC (April 2014)
West Gallatin Hydrology Report   Prepared by Morrison-Maierle, Inc. (March 2015) 

Hydraulic Reports
Hydraulic Analysis Report: Bozeman Creek (all reaches)  Prepared by Michael Baker (Oct 2015)
West Gallatin Hydraulic Summary Report   Prepared by Morrison-Maierle, Inc. (Jan 2016) 

Technical data
Technical data for Bozeman Creek and its tributaries is available on the City of Bozeman's FTP site. Click here to download the Community_Upload_Format.zip file. Then decompress the file to view technical data including hydrologic analyses, flood profiles, floodway data tables, and HEC-RAS modeling files.