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Article 16 — Flood Control Projects

Siskiyou County Municipal Code · 2026-09 edition · updated 2026-09-27 · Siskiyou County

Sec. 10-10.1601. - Flood control projects; general.

In addition to applicable Federal, State and other local permits, a permit for floodplain development is required for construction of flood control projects. The purpose for the permit is to examine the impact on flood hazard areas, floodways, and base flood elevations shown on the FIRM. Unless otherwise authorized by separate regulations, issuance of this permit does not address the sufficiency of the structural elements of the proposed flood control project. Permits for floodplain development and building permits in areas affected by proposed flood control projects shall not be issued based on Conditional Letters of Map Revision issued by FEMA.

(Ord. No. 25-07, § I, 10-21-2025)

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Sec. 10-10.1602. - Flood control projects; applications.

Applications for permits for flood control projects shall include documentation including, but not limited to:

(1)

Site plan or document showing the existing topography and the boundaries of the flood hazard areas, floodway boundaries, and base flood elevations shown on the FIRM.

(2)

Site plan or document showing the proposed topography and the proposed changes to the boundaries of the flood hazard areas, floodway boundaries, and base flood elevations.

(3)

The documentation submitted to FEMA for a Conditional Letter of Map Revision (CLOMR) and, if issued, the Conditional Letter of Map Revision. Submittal requirements and processing fees shall be the responsibility of the applicant. A CLOMR is required when a proposed flood control project alters a designated floodway and would increase BFEs or alters a riverine flood hazard area without a designated floodway (with published BFEs) and would increase BFEs by more than one foot.

(Ord. No. 25-07, § I, 10-21-2025)

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