California Code of Regulations › Title 23 - Waters › Division 1.5 - General Provisions › Article 1 - General Provisions › Section 201 - Definitions

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
As used in these regulations the terms listed below shall
				  have the meanings noted:
(a)
				(Reserved)
(b) (Reserved)
(c) (Reserved)
(d) Design Flood. "Design Flood" shall mean
				the selected flood against which protection is provided, or eventually will be
				provided, by means of flood protective or control works. When a federal survey
				has been authorized the design flood will be determined by the appropriate
				federal agency, and in all other cases, it will be determined by the
				responsible local agency. It is the basis for design and operation of a
				particular project after full consideration of flood characteristics,
				frequencies, and potentials, and economic and other practical
				considerations.
(e) Designated
				Floodway. "Designated floodway" shall mean the channel of the stream and that
				portion of the adjoining flood plain required to reasonably provide for the
				construction of a project for passage of the design flood, including the lands
				necessary for construction of project levees.
(f) (Reserved)
(g) Flood Plain. "Flood plain" shall mean the
				relatively flat area or lowlands adjoining the channel of a river, stream,
				watercourse, ocean, lake, or other body of standing water, which has been or
				may be covered by floodwater.
(h)
				Adjoining Flood Plain. "Adjoining flood plain" shall mean that portion of the
				flood plain contiguous to a particular river, stream, watercourse, or other
				body of water which might reasonably be expected to flood at depths or
				velocities which could endanger life or where encroachment upon which could
				significantly restrict the carrying capacity of the floodway under conditions
				resulting from a design flood. For streams traversing alluvial cones, the
				"adjoining flood plain" for purposes of these rules and regulations shall be
				construed to refer only to the existing active stream channel area and the
				immediately adjoining active overflow area.
(i) Appropriate Public Agency. "Appropriate
				public agency," as that term is used in Water Code Section
				8411, shall
				mean any city, city and county, county, or other public agency organized,
				existing, and acting pursuant to the laws of this State, which is authorized
				under the laws of this State to exercise the police power to establish flood
				plain regulations within its jurisdiction.
(j) Federal Agency. "Federal agency" shall
				mean any agency of the Federal Government which is responsible under federal
				law for construction of a flood control project.
(k) Completion of a Federal Project Report.
(1) A federal project report is considered
				complete, except for small flood control projects (United States Corps of
				Engineers) and small watershed projects (United States Soil Conservation
				Service), when it is transmitted to the Congress of the United States for
				project authorization.
(2) A report
				on a small flood control project is considered complete when the final project
				report is approved by the Chief of Engineers.
(3) A report on a small watershed project is
				considered complete when the small watershed plan is approved by the State
				Conservationist of the United States Soil Conservation
				Service.