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17.09(3)(a)—(h) (3) Standards for development in floodfringe and it meets all of the provisions of subs. areas. Section 17.07(1) shall apply in addition 17.08(3)(b)1. through 4. and sec. (e)below. to the following requirements according to the (c) Commercial uses. Any commercial use requested. structure which is erected, altered or moved (a) Residential uses. Any habitable into the floodfringe area shall meet the structure, including a manufactured home, requirements of sub. (a). Subject to the which is to be erected, constructed, requirements of sub. (e), storage yards, surface reconstructed, altered or moved into the parking lots and other such uses may be placed floodfringe area, shall meet or exceed the at lower elevations if an adequate warning following standards: system exists to protect life and property. 1. The elevation of the lowest floor, (d) Manufacturing and industrial uses. Any excluding the basement or crawlway, shall be at manufacturing or industrial structure which is or above the flood protection elevation on fill. erected, altered or moved into the floodfringe The fill shall be one foot or more above the area shall be protected to the flood protection regional flood elevation extending at least 15 elevation using fill, levees, floodwalls, or other feet beyond the limits of the structure. The flood proofing measures in s. 17.12(5). Subject department may authorize other floodproofing to the requirements of sub. (f), storage yards, measures if the elevations of existing streets or surface parking lots and other such uses may sewer lines makes compliance with the fill be placed at lower elevations if an adequate standards impractical; warning system exists to protect life and 2. The basement or crawlway floor may be property. placed at the regional flood elevation if it is (e) Storage of materials. Materials that are floodproofed to the flood protection elevation. buoyant, flammable, explosive, or injurious to No basement or crawlway floor is allowed property,p rty, water quality or human, animal, plant, `6.`i below the regional flood elevation; fish or aquatic life shall be stored at or above 3. Contiguous dryland access shall be the flood protection elevation or floodproofed in provided from a structure to land outside of the compliance with s. 17.12(5). Adequate floodplain, except as provided in 4. below; and measures shall be taken to ensure that such 4. In developments where existing street or materials will not enter the water body during sewer line elevations make compliance with 3. flooding. above impractical,the zoning administrator may (f) Public utilities, streets and bridges. All permit new development and substantial utilities, streets and bridges shall be designed improvements where access roads are at or to be compatible with comprehensive floodplain below the regional flood elevation, if: development plans;and a. The zoning administrator has written 1. When failure of public utilities, streets and assurance from police, fire and emergency bridges would endanger public health or safety, services that rescue and relief will be provided or where such facilities are deemed essential, to the structure(s) by wheeled vehicles during a construction of and substantial improvements to regional flood event;or such facilities may only be permitted if they are b. The municipality in which the floodproofed in compliance with s. 17.12(5) to development is located has a natural disaster the flood protection elevation; plan approved by Wisconsin Emergency 2. Minor roads or non-essential utilities may Management and the department. be constructed at lower elevations if they are (b) Accessory structures or uses. designed to withstand flood forces to the 1. Except as provided in par. 2., an regional flood elevation. accessory structure which is not connected to a (g) Sewage systems. All on-site sewage principal structure may be constructed with its disposal systems shall be floodproofed, lowest floor at or above the regional flood pursuant to s. 17.12(5), to the flood protection elevation. elevation and shall meet the provisions of all 2. An accessory structure which is not local ordinances and ch. COMM 83, Wis. connected to the principal structure and which Admin. Code. is less than 600 square feet in size and valued (h) Wells. All wells shall be floodproofed, at less than $10,000 may be constructed with pursuant to s. 17.12(5), to the flood protection its lowest floor no more than two feet below the elevation and shall meet the provisions of chs. regional flood elevation if it is subject to flood NR 811 and NR 812, Ws.Admin. Code. velocities of no more than two feet per second Page 17-10 rev.043007