In 1988, the City of Rialto (City) prepared an EIR (SCH# 1987110914) for the construction of three retention basins and a segment of a flood control channel, collectively termed the Upper Cactus Basins. The overall objective of the project is to provide 100-year flood protection to residences, businesses, and public infrastructure adjacent to Cactus Channel and Rialto Channel in the cities in Rialto and Colton, and unincorporated San Bernardino County, California. The City Council of Rialto certified a Final EIR, and adopted mitigation measures and a Statement of Overriding Considerations. It was determined that the principal areas of environmental impact were in the areas of: topographic modification, unavoidable displacement of vegetation and wildlife habitat, and substantial visual changes at the site. In addition, potentially significant construction phase impacts, occurring intermittently, would occur in the areas of air quality, traffic, and noise.
At present, the basins have been excavated as part of a sand and gravel operation as allowed in the 1988 EIR.
Air Quality, Biological Resources, Cultural Resources, Flood Plain/Flooding, Wetland/Riparian
California Department of Conservation (DOC), California Department of Parks and Recreation, California Department of Transportation, District 8 (DOT), California Highway Patrol, Office of Emergency Services, California, Office of Historic Preservation, Resources Agency, State Water Resources Control Board, Division of Water Rights, Department of Water Resources, Department of Fish and Wildlife, Region 6, California Regional Water Quality Control Board, Santa Ana Region 8 (RWQCB), California Native American Heritage Commission (NAHC)
Reviewing Agency Comments
Department of Water Resources, Department of Fish and Wildlife, Region 6, California Regional Water Quality Control Board, Santa Ana Region 8 (RWQCB), California Native American Heritage Commission (NAHC)
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