§ 152.016 ANNEXATIONS.

   The Flood Insurance Rate Map panels adopted by reference into § 152.011 above may include flood plain areas that lie outside of the corporate boundaries of the City of Mora at the time of adoption of this chapter. If any of these flood plain land areas are annexed into the City of Mora after the date of adoption of this chapter, the newly annexed flood plain lands will be subject to the provisions of this chapter immediately upon the date of annexation.

(Ord. 481, passed 2-16-2021)

ESTABLISHMENT OF FLOOD PLAIN DISTRICTS ESTABLISHMENT OF ZONING DISTRICTS

§ 152.020 DISTRICTS.

   (A)   Floodway District. The Floodway District includes those areas within Zones A10, A11 delineated within floodway areas as shown on the Flood Insurance Rate Maps and Flood Boundary and Floodway Maps adopted in § 152.011. For lakes, wetlands and other basins, the Floodway District also includes those areas that are at or below the ordinary high water level as defined in M.S. § 103G.005, Subd. 14.

   (B)   Flood Fringe District. The Flood Fringe District includes areas within Zones A10, A11 on the Flood Insurance Rate Map and Flood Boundary and Floodway Maps adopted in § 152.011, but located outside of the floodway. For lakes, wetlands and other basins, the Flood Fringe District also includes areas mapped in Zones A or A10, which are below the one percent (1%) annual chance (100-year) flood elevation but above the ordinary high water level as defined in M.S. § 103G.005, Subd. 14.

   (C)   General Flood Plain District. The General Flood Plain District includes those areas within Zone A that do not have a floodway delineated as shown on the Flood Insurance Rate Map adopted in § 152.011.

   (D)   Flood Prone District. The Flood Prone District includes those areas that are outside of Zones A, A10, and A11 as shown on the Flood Insurance Rate Maps and Flood Boundary and Floodway Maps, but are identified as Flood Prone on the City of Mora Flood Prone Areas Map adopted in § 152.011. Only that portion of property identified on the map as being flood prone shall be designated as such and shall be subject to § 152.070; and, any portion of the same property which is not identified as being flood prone shall not be subject to § 152.070.

(Ord. 481, passed 2-16-2021)

§ 152.021 APPLICABILITY.

   Where Floodway and Flood Fringe Districts are delineated on the flood plain maps, the standards in §§ 152.040 et seq. will apply, depending on the location of a property. Locations where Floodway and Flood Fringe Districts are not delineated on the flood plain maps are considered to fall within the General Flood Plain District. Within the General Flood Plain District, the Floodway District standards in §§ 152.040-152.043 apply unless the floodway boundary is determined, according to the process outlined in § 152.061. In no cases shall flood plain development adversely affect the efficiency or unduly restrict or reduce the capacity of the channels of floodways of any tributaries to the main stream, drainage ditches, or any other drainage facilities or systems.

(Ord. 481, passed 2-16-2021)

REQUIREMENTS FOR ALL FLOOD PLAIN DISTRICTS

§ 152.030 MINIMUM DEVELOPMENT STANDARDS.

   All new construction and substantial improvements must be:

   (A)   Designed (or modified) and adequately anchored to prevent floatation, collapse, or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including the effects of buoyancy;

   (B)   Constructed with materials and utility equipment resistant to flood damage;

   (C)   Constructed by methods and practices that minimize flood damage; and

   (D)   Constructed with electrical, heating, ventilation, ductwork, plumbing, and air conditioning equipment and other service facilities that are designed and/or located so as to prevent water from entering or accumulating within the components during conditions of flooding.

(Ord. 481, passed 2-16-2021)

§ 152.031 FLOOD CAPACITY.

   Flood plain developments must not adversely affect the hydraulic capacity of the channel and adjoining flood plain of any tributary watercourse or drainage system.

(Ord. 481, passed 2-16-2021)

§ 152.032 STORAGE AND PROCESSING OF MATERIALS.

   The storage or processing of materials that are, in time of flooding, flammable, explosive, or potentially injurious to human, animal, or plant life is prohibited.

(Ord. 481, passed 2-16-2021)

§ 152.033 CRITICAL FACILITIES.

   Critical facilities, as defined in § 152.015, are to be located, so that the lowest floor is not less than two (2) feet above the regional flood elevation, or the five hundred (500)-year flood elevation, whichever is higher.

(Ord. 481, passed 2-16-2021)