Santiago Canyon Road Storm Drain Repair Project


SCH Number
Lead Agency
Orange County
Document Title
Santiago Canyon Road Storm Drain Repair Project
Document Type
MND - Mitigated Negative Declaration
Document Description
The proposed project includes removal of a failed 24in. corrugated metal pipe (CMP) cross culvert, a failed 40 lineal feet of 18in. CMP over-side drain, and reconstruction of 200 lineal feet of the westerly roadway fill slope. The proposed project would reconstruct the roadway fill slope by benching new fill; construct 190 lineal feet of 36in. reinforced concrete pipe (RCP); install slope collector sub-drains; provide pavement replacement and resurfacing; and construct asphalt concrete curbs, as necessary.

Contact Information

Lisa Cibellis
Agency Name
Orange County Public Works
Contact Types
Lead/Public Agency


Cross Streets
Santiago Canyon Rd. and Gertner Estate Rd.
Total Acres
State Highways
Other Location Info
City/Nearest Community: Silverado

Notice of Completion

Review Period Start
Review Period End
Development Types
Other (Storm Drain Repair)
Local Actions
Project Issues
Aesthetics, 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, Wildfire, Wildlife
Reviewing Agencies
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), California State Lands Commission (SLC), Department of Water Resources, Resources Agency, California Department of Transportation, District 12 (DOT)
Reviewing Agency Comments
California Department of Transportation, District 12 (DOT)

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 or via phone at (916) 445-0613.

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