5.1 DF: DESIGN FLOODWAY ZONE

The Design Floodway or DF Zone is intended to be applied to areas which lie in a designated floodway, as defined in Section 8402 of the Water Code of the State of California, and such Design Floodway or DF Zone is intended to comply with Section 8410 of said Code. The Design Floodway or DF Zone is intended to prohibit such structures in the zone as might endanger life or significantly restrict the carrying capacity of the designated floodway. (Former Section INL#314-55; Ord. 542, Sections 9-12, 2/8/66)

The Humboldt County Code is current through Ordinance 2784, passed March 10, 2026.

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Title III Land Use and Development | Humboldt County Code

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314-5.1 DF: DESIGN FLOODWAY
Principal Permitted Uses
General agriculture, nurseries, animal sales and feed yards except as provided in the following subsection,
Uses Permitted With a Use Permit.
Recreational uses not requiring permanent structures.
Uses Permitted With a Use Permit
Permanent structures appurtenant to any Principal Permitted use in this Section. Principal Permitted Uses,
which do not endanger life or significantly restrict the carrying capacity of the designated floodway.
Commercial and industrial uses not requiring permanent buildings which are compatible with permitted
uses or with contiguous zones.
Any use not specifically enumerated in this division, if it is similar to and compatible with the uses
permitted in the DF Zone.
Other Regulations
Minimum Lot Area Five acres (5a). (From Section INL#314-52(c)(3))
Minimum Lot Width 300 feet. (From Section INL#314-52(c)(3))
Minimum Yard Setbacks*
Front Twenty feet (20'). (From Section INL#314-52(c)(3))
Rear Twenty feet (20'). (From Section INL#314-52(c)(3))
Side Ten feet (10'). (From Section INL#314-52(c)(3))
Maximum Ground Coverage (None specified.)
Maximum Building Height (None specified.)
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----- Start of picture text -----
314-5.1 DF: DESIGN FLOODWAY
Principal Permitted Uses
General agriculture, nurseries, animal sales and feed yards except as provided in the following subsection,
Uses Permitted With a Use Permit.
Recreational uses not requiring permanent structures.
Uses Permitted With a Use Permit
Permanent structures appurtenant to any Principal Permitted use in this Section. Principal Permitted Uses,
which do not endanger life or significantly restrict the carrying capacity of the designated floodway.
Commercial and industrial uses not requiring permanent buildings which are compatible with permitted
uses or with contiguous zones.
Any use not specifically enumerated in this division, if it is similar to and compatible with the uses
permitted in the DF Zone.
Other Regulations
Minimum Lot Area Five acres (5a). (From Section INL#314-52(c)(3))
Minimum Lot Width 300 feet. (From Section INL#314-52(c)(3))
Minimum Yard Setbacks*
Front Twenty feet (20'). (From Section INL#314-52(c)(3))
Rear Twenty feet (20'). (From Section INL#314-52(c)(3))
Side Ten feet (10'). (From Section INL#314-52(c)(3))
Maximum Ground Coverage (None specified.)
Maximum Building Height (None specified.)
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*** Note:** Setbacks may be modified by other provisions of this Code or State law. For example, see Section 314-22.1, Alquist-Priolo Fault Hazard” and the “Fire Safe” Regulations at Title III, Division 11.

Note: Any development must also conform with the County flood hazard regulations in Title III, Division 3, Chapter 5.

(Former Section INL#314-55(a)(1-2); INL#314-55(b)(1-2); INL#314-55(c); Ord. 1086, Sections 14 and 15, 7/13/76)