Legend (WRD/WOB_Floodplain)

Effective Cross Sections (0) Effective Base Flood Elevation (1) Draft Cross Sections (2) Draft Base Flood Elevation (3) Gallatin Building Footprints 2018 (4) Madison River Building Footprints 2018 (5) Jefferson Watershed Building Footprints 2018 (6) Jefferson County Building Footprints 2019 (7) Powell Building Footprints 2018 (8) Missoula-Granite Building Footprints 2019 (9) Teton Building Footprints 2020 (10) Changes Since Last FIRM - Floodplain (11) Added Removed Unchanged Changes Since Last FIRM - Floodway (12) Added Removed Unchanged Draft Special Flood Hazard Area (13) 100-Year Floodplain (1% Annual Chance) 100-Year Floodplain (1% Annual Chance) Floodway Floodway Zone X Zone X Zone X Effective Special Flood Hazard Area (14) 100-Year Floodplain (1% Annual Chance) 100-Year Floodplain (1% Annual Chance) Floodway Floodway 100-Year Floodplain (1% Annual Chance) 100-Year Floodplain (1% Annual Chance) Zone X Zone X 100-Year Floodplain (1% Annual Chance) 100-Year Floodplain (1% Annual Chance) Zone X Best Available Information (15) 100-Year Floodplain (1% Annual Chance) 100-Year Floodplain (1% Annual Chance) Floodway Floodway 100-Year Floodplain (1% Annual Chance) 100-Year Floodplain (1% Annual Chance) Zone X Zone X 100-Year Floodplain (1% Annual Chance) 100-Year Floodplain (1% Annual Chance) Zone X Historic Flooding (16)