Road Network
The centerlines of the major roads in St. Charles County, MO and the surrounding counties.
The centerlines of the major roads in St. Charles County, MO and the surrounding counties.
Base flood elevation lines indicate the rounded whole foot water-surface elevation of the 1 percent annual chance flood.
Spatial elements representing the boundaries of the flood hazard areas depicted on the Flood Insurance Rate Map (FIRM) are lines.
Flood Areas within St. Louis County
A map of Missouri State Senate districts and municipal boundaries in St. Louis County, Missouri