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St. Charles County
Wellhead District Overlay
This feature class contains the geographic bounds and attribute information of wellhead protection overlay districts.
DFirms
The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data.
Physical Floodways
Spatial elements representing the boundaries of the flood hazard areas depicted on the Flood Insurance Rate Map (FIRM) are lines.
Wellhead District Area
This feature class contains the geographic bounds and attribute information of wellhead protection overlay districts.
Physical DFirms
The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data.
Road Network
The centerlines of the major roads in St. Charles County, MO and the surrounding counties.
Flood Elevation Lines
Base flood elevation lines indicate the rounded whole foot water-surface elevation of the 1 percent annual chance flood.