Mission Gorge Emergency Sewer Work


SCH Number
Public Agency
City of San Diego
Document Title
Mission Gorge Emergency Sewer Work
Document Type
NOE - Notice of Exemption
Document Description
Emergency redirection of a portion of the San Diego River back into the main channel to prevent river waters from potentially impacting MH No. 74 of the East Mission Gorge Trunk Sewer pipeline. The San Diego River was diverted due to adjacent landslide from rock quarry. Approximately 20 cubic yards of on-site rock was placed around the manhole and across the secondary river channel. A temporary access route of approximately 0.5 mile was needed to access the work site.

Contact Information

Cathy Cibit
Agency Name
City of San Diego
Contact Types
Lead/Public Agency


San Diego
San Diego
Cross Streets
North of Jackson Drive

Notice of Exemption

Exempt Status
Emergency Project
Type, Section or Code
Section 15269(b) & (c)
Reasons for Exemption
Adjacent rock quarry blasting caused landslide into the narrow canyon further constricting river flow and redirecting flow into a secondary channel towards a manhole. In significant rain event this could have caused damage and a potential for a sewer spill. Emergency work was needed to redirect river into main channel and protect manhole.

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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