Do you need to find out if a property in Lewis and Clark County is in the floodplain? Click here to view the county floodplain map. Zoom in on a property, click the address, and it will give you all the floodplain details.
You may contact Paul Spengler, the Lewis and Clark County Floodplain Administrator, at 406-447-8285.
The county also has information about the National Flood Insurance Program, elevation certificates, floodways, historic floods, and other problems on the flood maps.