All development within the FEMA or county flood plains, major drainage channels and other flood-prone areas as designed be the Planning Engineer are subject to the following provisions as applicable.
(A) (1) Whenever a regulatory 100-year flood boundary line is proposed to be relocated due to fill, excavation or errors and discrepancies discovered on the Flood Insurance Rate Maps (FIRM), an application shall be made to the Federal Emergency Management Agency (FEMA), for a Letter of Map Revision (LOMA), through Newberry County.
(2) The applicant is responsible for providing all documents required be FEMA which may include topographic maps, hydraulic and hydrologic data and any applicable review fees to be submitted to Newberry County prior to final plat approval in subdivision developments and prior to final inspection in other types of land development.
(3) The county shall notify adjacent communities and the State Coordinating Office prior to any alteration or relocation of a watercourse and submit copies of such notification to the Federal Insurance Administrator.
(B) Design all culverts, bridges, and other drainage structures in accordance with the specifications and design standards of the Environmental Management Administrator's Office so that a 100-year frequency flow through a major drainage channel will not overtop and roadway.
(C) Applications shall obtain all necessary permits from those governmental agencies from which approval is required by state or federal law.
(D) The Environmental Management Administrator shall review subdivision proposal and other proposed new developments to determine whether such proposals will be reasonable secure from the effects of flooding. If any subdivision proposal or other proposed new development is in a flood-prone area, the Environmental Management Administrator shall require the submission of the base flood elevation data, and any such proposal shall be reviewed to assure that:
(1) All such proposals are consistent with the need to minimize flood damage with the flood prone area.
(2) All public utilities and facilities, such as sewer, gas, electrical, and water systems, are located and constructed to minimize or eliminate flood damage.
(3) Adequate drainage is provided to reduce exposure to flood hazards.
(4) Where a flood study is required by the Environmental Management Administrator, base flood discharges shall be based on full watershed development.
(5) All based flood elevation shall be based on maximum 1.0-foot rise and all floodways within the subdivision shall be dedicated to Newberry County.
(6) All base flood elevations shall be based on the National Geodetic Vertical Datum (NGVD) or the North American Vertical Datum (NAVD).
(E) The applicant shall design new and replacement water and sewer systems within flood prone areas so as to minimize or eliminate infiltration of flood waters into the system. On-site waste disposal systems shall be located to avoid impairment to the system or contamination from the system during flooding.
(F) All new construction and substantial improvements of residential structures shall meet the requirements outlined in the Newberry County Flood Prevention Ordinance.
(Am. Ord. 06-21-05, passed 6-15-2006)