This section applies to all floodfringe areas shown on the floodplain
zoning maps and those identified pursuant to § 5.4.
Any structure, land use, or development is allowed in the Floodfringe
District if the standards in § 4.3 are met, the use is not
prohibited by this or any other ordinance or regulation and all permits
or certificates specified in § 7.1 have been issued.
Section 2.1 shall apply in addition to the following requirements
according to the use requested. Any existing structure in the floodfringe
must meet the requirements of § 6.0 Nonconforming Uses;
(1)
Residential Uses. Any structure, including a manufactured home, which is to be newly constructed, or moved into the floodfringe, shall meet or exceed the following standards. Any existing structure in the floodfringe must meet the requirements of Article VI, Nonconforming Uses;
(a)
The elevation of the lowest floor, shall be at or above the
flood protection elevation on fill unless the requirements of § 4.3(1)(b)
can be met. The fill shall be one foot or more above the regional
flood elevation extending at least 15 feet beyond the limits of the
structure. The Department may authorize other floodproofing measures
if the elevations of existing streets or sewer lines makes compliance
with the fill standards impractical;
(b)
The basement or crawlway floor may be placed at the regional
flood elevation if it is floodproofed to the flood protection elevation.
No basement or crawlway floor is allowed below the regional flood
elevation;
(c)
Contiguous dryland access shall be provided from a structure
to land outside of the floodplain, except as provided in Subdivision
(d).
(d)
In developments where existing street or sewer line elevations
make compliance with Subdivision (c) impractical, the municipality
may permit new development and substantial improvements where roads
are below the regional flood elevation, if:
(2)
Accessory Structures or Uses.
(a)
Accessory structures shall be constructed on fill with the lowest
floor at or above the regional flood elevation.
(3)
Commercial Uses. Any commercial structure which is erected, altered
or moved into the floodfringe shall meet the requirements of § 4.3(1).
Subject to the requirements of § 4.3(5), storage yards,
surface parking lots and other such uses may be placed at lower elevations
if an adequate warning system exists to protect life and property.
(4)
Manufacturing and Industrial Uses. Any manufacturing or industrial
structure which is erected, altered or moved into the floodfringe
shall have the lowest floor elevated to or above the flood protection
elevation or meet the floodproofing standards in § 7.5.
Subject to the requirements of § 4.3(5), storage yards,
surface parking lots and other such uses may be placed at lower elevations
if an adequate warning system exists to protect life and property.
(5)
Storage of Materials. Materials that are buoyant, flammable, explosive,
or injurious to property, water quality or human, animal, plant, fish
or aquatic life shall be stored at or above the flood protection elevation
or floodproofed in compliance with § 7.5. Adequate measures
shall be taken to ensure that such materials will not enter the water
body during flooding.
(6)
Public Utilities, Streets and Bridges. All utilities, streets and
bridges shall be designed to be compatible with comprehensive floodplain
development plans; and
(a)
When failure of public utilities, streets and bridges would
endanger public health or safety, or where such facilities are deemed
essential, construction or repair of such facilities shall only be
permitted if they are designed to comply with § 7.5.
(b)
Minor roads or non-essential utilities may be constructed at
lower elevations if they are designed to withstand flood forces to
the regional flood elevation.
(7)
Sewage Systems. All POWTS shall be designed to minimize or eliminate infiltration of floodwater into the system, floodproofed pursuant to § 7.5(3), to the flood protection elevation and meet the provisions of Chapter 13, The Oneida County Private Onsite Wastewater Treatment System Ordinance (POWTS) and DSPS 383, Wis. Adm. Code.
(8)
Wells. All wells shall be designed to minimize or eliminate infiltration
of floodwaters into the system, pursuant to § 7.5(3), to
the flood protection elevation and shall meet the provisions of Chs.
NR 811 and NR 812, Wis. Adm. Code.
(9)
Solid Waste Disposal Sites. Disposal of solid or hazardous waste
is prohibited in floodfringe areas.
(10)
Deposition of Materials. Any deposited material must meet all
the provisions of this ordinance.
(11)
Manufactured Homes.
(a)
Owners or operators of all manufactured home parks and subdivisions
shall provide adequate surface drainage to minimize flood damage,
and prepare, secure approval and file an evacuation plan, indicating
vehicular access and escape routes, with local emergency management
authorities.
(c)
Outside of existing manufactured home parks, including new manufactured
home parks and all single units outside of existing parks, all new,
replacement and substantially improved manufactured homes shall meet
the residential development standards for the floodfringe in § 4.3(1).
(12)
Mobile Recreational Vehicles. All mobile recreational vehicles
that are on site for 180 consecutive days or more or are not fully
licensed and ready for highway use shall meet the elevation and anchoring
requirements in § 4.3(11)(b) and (c). A mobile recreational
vehicle is ready for highway use if it is on its wheels or jacking
system, is attached to the site only by quick-disconnect utilities
and security devices and has no permanently attached additions.
