The St. Clair County Zoning Department works to insure the orderly and compatible development of land use throughout the unincorporated areas of the County and enforce the County Zoning Ordinances.
Floodway Fringe/Floodway Zoning for St. Charles County
The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data.
Spatial elements representing the boundaries of the flood hazard areas depicted on the Flood Insurance Rate Map (FIRM) are lines.
The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data.
Base flood elevation lines indicate the rounded whole foot water-surface elevation of the 1 percent annual chance flood.