Ordinance No. 2025-521 . 2025-521 – An Ordinance to Amend the Municipal Code of Tiffin, Iowa, Chapter 160, Flood Plain Management

(9) Maintain the accuracy of the community’s Flood Insurance Rate Maps when; a. Development placed within the floodway results in any of the following: i. An increase in the Base Flood Elevations; or ii. Alteration to the floodway boundary b. Development placed in Zones A, AE, AH, and A1-30 that does not include a designated floodway that will cause a rise of more than one foot in the base elevation; or c. Development relocates or alters the channel. Within six months of the completion of the development, the applicant shall submit to FEMA all scientific and technical data necessary for a Letter of Map Revision. (10) Perform site inspections to ensure compliance with the standards of this Chapter. (11) Forward all requests for Variances to the Council for consideration. Ensure all requests include the information ordinarily submitted with applications as well as any additional information deemed necessary to the Council. 2. Floodplain Development Permit A. Permit Required - A Floodplain Development Permit issued by the Administrator shall be secured prior to any floodplain development (any man-made change to improved and unimproved real estate, including but not limited to buildings or other structures, mining, filling, grading, paving, storage of materials and equipment, excavation or drilling operations), including the placement of factory-built homes. B. Application for Permit - Application shall be made on forms furnished by the Administrator and shall include the following: (1) Description of the work to be covered by the permit for which application is to be made. (2) Description of the land on which the proposed work is to be done (i.e., lot, block, track, street address or similar description) that will readily identify and locate the work to be done. (3) Location and dimensions of all structures and additions (4) Indication of the use or occupancy for which the proposed work is intended. (5) Elevation of the base flood. (6) Elevation (in relation to North American Vertical Datum 1988) of the lowest floor (including basement) of structures or of the level to which a structure is to be floodproofed. (7) For structures being improved or rebuilt, the estimated cost of improvements and market value of the structure prior to the improvements. (8) Such other information as the Administrator deems reasonably necessary (e.g., drawings or a site plan) for the purpose of this chapter. C. Action on Permit Application. The Administrator shall, within a reasonable time, make a determination as to whether the proposed floodplain development meets the applicable standards of this chapter and shall approve or disapprove the application. For disapprovals, the applicant shall be informed, in writing, of the specific reasons therefore. The Administrator shall not issue permits for variances except as directed by the Council. D. Construction and Use to Be as Provided in Application and Plans. Floodplain development permits based on the basis of approved plans and applications authorize only the use, arrangement, and construction set forth in such approved plans and applications and no other use, arrangement, or construction. Any use, arrangement, or construction at variance with that authorized shall be deemed a violation of this