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21.1 F: FLOOD HAZARD AREAS

21.1.1 Purpose. The purpose of these regulations is to minimize public and private losses due to flood and tsunami conditions in specific areas of the County. (Former Section CZ#A314-59(A))

21.1.2 Applicability. These regulations shall apply to all areas designated “F” on the Zoning Maps and to all lands situated within the areas of special flood hazard as identified on the Federal Insurance Administration’s Federal Insurance Rate Maps (FIRM) for Humboldt County. As applicable, these regulations also apply to all lands located below the level of the 100-year tsunami run-up elevations described in Tsunami Predictions for the West Coast of the Continental United States (Technical Report H-78-26 by the Army Corps of Engineers). (Former Section CZ#A314-59(B))

21.1.3 Modifications Imposed by Flood Hazard Regulations. These regulations shall be in addition to the requirements imposed by the principal zones, development regulations, and other Special Area Combining Zone regulations. Wherever the provisions of these regulations conflict with or are inconsistent in application with any other regulations the most restrictive regulation shall apply. (Former Section CZ#A314-59(C))

21.1.4 Prohibited New Development within the 100-Year Floodway and Flood Plain. New development within the 100-year floodway and flood plain shall be restricted as follows: (Former Section CZ#A314-59(D))

21.1.4.1Within designated floodways the following is prohibited: (Former Section CZ#A314-59(D)(1))

21.1.4.1.1Residential Use Type:

Manufactured Home Parks

21.1.4.1.2Within both designated floodways and flood plains the following use types are prohibited: (Former Section CZ#A314-59(D)(2))

21.1.4.2.1Civic Use Types:

Essential Services

Health Care Services

Extensive Impact Civic Use

Solid Waste Disposal

21.1.4.2.2Industrial Use Type:

Hazardous Industrial

21.1.5 Permitted Development in Tsunami Run-up Areas. New development below the level of the 100-year tsunami run-up elevation shall be limited to public access, boating, and public recreation facilities, agriculture, wildlife management, habitat restoration, ocean outtakes and infalls, pipelines, and dredge spoils disposal. (Former Section CZ#A314-59(E))

Note: Any development must also conform with the County flood hazard regulations in Title III, Division 3, Chapter 5 of the Humboldt County Code.313-22