21st Street Ditch Project

4 Documents in Project


SCH Number
Lead Agency
City of Del Mar
Document Title
21st Street Ditch Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
General Plan: Rail, Zoning: Rail, Public park (PP)
Document Description
The 0.22-acre project site includes a 203-foot segment of an unnamed, unlined drainage ditch that is approximately 5 feet in diameter. Water flows from west to east through the ditch; flows are intermittent/ perennial and are typically from urban runoff and storm events. The proposed project would permanently place a 36-inch solid storm drain pipe (connecting at both culvert outlets) and fill materials within the 203-foot portion of the unnamed drainage feature. The proposed project would also involve rehabilitation grading of the existing drainage channel to approximately match the existing surface elevations of the street and tennis facility located south of 21st Street. The purpose of the proposed project is to improve floodwater conveyance, maintain flow rate efficiency, and remove localized nuisance water.

Contact Information

Tim Thiele, City Engineer
Agency Name
City of Del Mar
Contact Types
Lead/Public Agency


Del Mar
San Diego
Cross Streets
Jimmy Durante and Camino Del Mar
Total Acres
Parcel #
State Highways
Interstate 5
SD Northern Railway
San Dieguito River

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
Cal Fire, California Coastal Commission (CCC), 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 Public Utilities Commission (CPUC), California Regional Water Quality Control Board, San Diego Region 9 (RWQCB), California State Lands Commission (SLC), Department of Water Resources, Resources Agency, State Water Resources Control Board, Division of Water Rights, California Native American Heritage Commission (NAHC)
State Reviewing Agency Comments
California Native American Heritage Commission (NAHC)
Development Types
Other (Drainage ditch rehabilitation)
Local Actions
Coastal Permit, FDP
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Coastal Zone, Cultural Resources, Drainage/Absorption, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Sewer Capacity, Solid Waste, Transportation, Vegetation, Wetland/Riparian, Wildfire

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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