Los Alamitos Flood Control Channel Maintenance Project
MND - Mitigated Negative Declaration
The County is proposing this project to improve the existing flood control channel and prevent further channel bank/slope erosion within the northern and southern project areas. Construction activities in the northern improvement area would excavate ~4,700 cy of earthen material from the side slopes and bottom of this portion of the channel and replace with ~14,000 tons of 24 inch riprap along the side slopes and bottom for ~2,534 ft. In the southern portion of the project area, project activities include excavating ~13,300 cy of earthen material from the side slopes and bottom of the channel and replacing with ~28,560 tons of 24 inch riprap along the side slopes and bottom for ~3,630 linear feet of the channel between I-405 and College Park Drive.
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Noise, Recreation, Transportation, Vegetation, Wetland/Riparian, Wildlife
California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Parks and Recreation, California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, Santa Ana Region 8 (RWQCB), Department of Water Resources, Office of Historic Preservation, Resources Agency, Department of Toxic Substances Control, California Department of Transportation, District 12 (DOT)
Reviewing Agency Comments
Department of Toxic Substances Control, California Department of Transportation, District 12 (DOT)
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