Pipeline 5 Relining North Twin Oaks Valley Rd to Crossover


SCH Number
Public Agency
San Diego County Water Authority
Document Title
Pipeline 5 Relining North Twin Oaks Valley Rd to Crossover
Document Type
NOE - Notice of Exemption
Document Description
The project will reline approximately 5,000 feet of existing 96-inch diameter prestressed concrete pipe along Pipeline 5 of the Second Aqueduct. Project work will include excavation of portals along the pipeline to provide access, installation of a steel liner, and rehabilitation/repair of ancillary facilities and structures along the relined pipeline. Project work will be limited to the existing Water Authority’s right-of-way and temporarily impacted areas will be returned to there pre-impact condition following construction.

Contact Information

Sean Paver
Agency Name
San Diego County Water Authority
Job Title
Senior Water Resources Specialist
Contact Types
Lead/Public Agency / Project Applicant


San Diego
Other Location Info
Unincorporated San Diego County, north of the City of San Marcos and the community of Twin Oaks near Twin Oaks Valley Road between Deer Springs Road and Gopher Canyon

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15302
Reasons for Exemption
The work activities consist of repair, maintenance, and replacement, of existing public facilities, involving negligible or no expansion of use beyond that existing at the time this notice was executed. Maintenance and replacement of existing facilities is specifically categorically exempted from CEQA per the Water Authority's Administrative Code implementing CEQA [§8.00.060(a)1(i); §8.00.060(a)2(i)].
County Clerk
San Diego


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