The regulations set forth in this section or elsewhere in this ordinance which are applicable, shall apply in the FP General Flood Plain Overlay District.
1. Principal Permitted Uses. Principal permitted uses in the Floodway of the FP Overlay Zoning District shall be as they are permitted in the FW Overlay Zoning District and in the Floodway Fringe of the FP Overlay Zoning District as determined by the Iowa Department of Natural Resources.
2. Permitted Accessory Uses. The following uses may exist as part of, or in accessory to the principal permitted uses:
A. Accessory open space uses customarily incidental to a principal permitted use, provided all restrictions required to develop in the FP Overlay Zoning District shall apply to any accessory use.
3. Special Uses. Any use which involves placement of structures, factory-built homes, fill or other obstructions; the storage of materials or equipment; excavation, or alteration of a watercourse may be allowed only upon issuance of a special use permit by the Board of Adjustment as provided for in Chapter 175J. All such uses shall be reviewed by the Department of Natural Resources to determine: (i) whether the land involved is either wholly or partly within the floodway or floodway fringe; and (ii) the one hundred (100) year flood level. The applicant shall be responsible for providing the Iowa Department of Natural Resources with sufficient technical information to make the determination.
4. Performance Standards.
A. No development within the FP General Flood Plain Overlay Zoning District shall be permitted where such development increases flood heights or the flood profile.
B. All uses, or portions thereof, to be located in the Floodway of the FP Overlay Zoning District as determined by the Iowa Department of Natural Resources shall meet the applicable provisions and standards of the FW Overlay Zoning District.
C. All uses, or portions thereof, to be located in the floodway fringe of the FP Overlay Zoning District as determined by the Iowa Department of Natural Resources shall meet the applicable standards of the FF Overlay Zoning District and the appropriate underlying zoning district.