Missoula County Floodplain Administrator Matt Heimel explains how to use the online floodplain map viewer to see potential flood hazards and compare preliminary FEMA floodplain map layers.
Links referenced in this video:
https://gis.missoulacounty.us/CAPS/Floodplain/
https://missoulacountyvoice.com/clark-fork-river-bitterroot-river-and-rock-creek-floodplain-mapping-update
https://floodsmart.gov/
Timestamps:
00:00 – 00:50 | Introduction to the Floodplain Map Viewer
00:50 – 03:19 | Accessing the Map: Step-by-step instructions to reach the map via the Floodplain Administration website or Missoula County Voice.
03:19 – 04:33 | Navigating the Map Interface: Zooming, panning, and using the search bar to find specific addresses or parcels, with the Lolo Wastewater Treatment Plant example.
04:33 – 05:38 | Exploring Property Information: Viewing property boundaries, accessing links for zoning and land use, and understanding linked information.
05:38 – 06:43 | Understanding Floodplain Layers: Explains preliminary vs. effective floodplain layers and how to interpret mapped flood zones.
06:43 – 08:05 | Advanced Floodplain Details: Optional layers including base flood elevations, cross sections, flood insurance panels, letters of map change, and elevation certificates.
08:05 – 10:29 | Using Preliminary Floodplain Layers: Focus on toggling preliminary layers, viewing 2025 FEMA flood zone designations, and differentiating overlays from detailed preliminary maps.
10:29 – 11:01 | Flood Insurance Estimates: Accessing Floodsmart.org to search for insurance quotes and learn about national flood insurance.
11:01-11:58 | Closing and Resources for Assistance: Contact information for the Floodplain Administrator.
