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. { . 17-11 said materials will not enter the river or stream improved on a site located in the regional during flooding. floodplain shall: (6) PUBLIC UTILITIES, STREETS AND BRIDGES. 1. have the lowest floor elevated to the regional All utilities, streets and bridges should be designed flood elevation; and to be compatible with the local comprehensive 2. be anchored so they do not float, collapse or floodplain development plans; and move laterally during a flood. ` (a) When failure or interruption of public (c) Outside of existing mobile home parks, utilities, streets and bridges would result in danger including new mobile home parks, and all single to the public health or safety or where such units outside of existing parks; all new, —, facilities are essential to the orderly functioning of replacement and substantially improved mobile the area, construction of and substantial homes and recreational vehicles that remain on-site improvements to such facilities may only be more than 180 days, which are unlicensed or are permitted if they are floodproofed, in compliance not ready for highway use, shall meet the with s. 17.65, to the flood protection elevation; residential development standards for the _ (b) Minor or auxiliary roads or nonessential floodfringe in s. 17.39(1). utilities may be constructed at lower elevations providing they withstand flood forces to the [17.40 reserved for future use.] regional flood elevation. (7) SEWAGE SYSTEMS. All on-site sewage SUBCHAPTER IV disposal systems shall be floodproofed to the flood GENERAL FLOODPLAIN DISTRICT(GFP) protection elevation and shall meet the applicable provisions of all local ordinances and Ch. ILHR 83, 17.41 APPLICABILITY. The provisions for this Wis.Adm. Code. district shall apply to all floodplains for which (8) WELLS. All public or private wells shall be regional flood20 data is not available, or where floodproofed to the flood protection elevation, regional flood data is available but floodways have pursuant to s. 17.65, and shall meet the applicable not been delineated. As adequate regional flood provisions of Chs. NR 111 and NR 112, Wis. Adm. data becomes available and floodways are Code. delineated for portions of this district, such (9) SOLID WASTE DISPOSAL SITES. All public or portions shall be designated in the floodfringe private solid or hazardous waste disposal sites are district or floodway district, as appropriate. i I prohibited in floodfringe areas. (10) DEPOSITION OF MATERIALS. Any materials 17.42 PERMITTED USES. (1) The general deposited for any purpose may only be allowed if floodplain district encompasses both floodway and all the provisions of this ordinance are met. flood fringe areas. Therefore, a determination shall • (11) MOBILE HOMES AND MANUFACTURED be made pursuant to s. 17.44, to determine HOMES.1e (a) Owners or operators of all mobile whether the proposed use is. located within a "� home parks and subdivisions located in the floodway or floodfringe area. regional floodplain shall provide for adequate (2) Those uses permitted in floodways (s. 17.32) surface drainage to minimize flood damage and and floodfringe areas (s. 17.38) are allowed within prepare, secure approval and file an evacuation the general floodplain district, according to the plan, indicating vehicular access and escape standards of s. 17.43 and provided that all permits routes, with the appropriate local emergency or certificates required under s. 17.61 have been management authorities. issued. (b) In existing mobile home parks,19 all new 1 ; homes with new pads, replacement units on 17.43 STANDARDS FOR DEVELOPMENT IN THE existing pads, and substantially improved mobile GENERAL FLOODPLAIN DISTRICT. Once it is homes and recreational vehicles that remain on-site determined according to s. 17.44 that a proposed in excess of. 180 days, or are unlicensed or not use is located within a floodway, the provisions of ready for highway use and which are placed or ss. 17.31-17.34 shall apply. Once determined that the proposed use is located within the floodfringe, 18 Annotation: Rev. federal rule Oct. 1990 19 See 17.05 (13) . 20 See 17.05 (48) . rev. 043095 , i /