The City of Escondido owns and operates a Municipal Separate Storm Sewer System (MS4) infrastructure that includes various storm water facilities associated with flood control and drainage in Escondido. The City has ongoing needs to effectively perform routine Operations and Maintenance (O&M) activities for flood control and the management of sediment deposition at 63 maintenance sites within MS4 facilities (constructed and natural) throughout Escondido. The 63 maintenance sites are associated with MS4 facilities that include outlet structures, channel structures, inlets, a culvert structure, and a basin, all of which occur at locations characterized by concrete/earthen, earthen, and/or concrete bottoms. Together, the proposed O&M activities at these locations would impact approximately 76 acres. Of these 76 acres, 73 acres are concrete facilities, 2 acres are earthen bottom, and 1 acre is combined concrete and earthen bottom facilities. O&M activities for facility maintenance in the City would include repairs and improvements such as the removal of silt and vegetation including: concrete and earthen channel-dredging; basin dredging; culvert, inlet, and outlet clean-out; vegetation clearing and trimming; and access road clearing. Dredging for flood control purposes is proposed at 60 of the 63 maintenance sites. The draft MND addresses the proposed routine maintenance at the 63 sites associated with this project.
Other (Operations and Maintenance of storm drainage facilities)
Cultural Resources, Hydrology/Water Quality, Vegetation, Wetland/Riparian, Wildlife
State Reviewing Agencies
California Department of Conservation (DOC), California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Parks and Recreation, California Department of Transportation, District 11 (DOT), California Highway Patrol, California Regional Water Quality Control Board, San Diego Region 9 (RWQCB), Caltrans, Division of Aeronautics, Department of Water Resources, Resources Agency, State Water Resources Control Board, Divison of Financial Assistance, California Native American Heritage Commission (NAHC)
Reviewing Agency Comments
California Native American Heritage Commission (NAHC)
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