Urgent Repair to the San Diego County Water Authority's Pipeline 4


SCH Number
Public Agency
San Diego County Water Authority
Document Title
Urgent Repair to the San Diego County Water Authority's Pipeline 4
Document Type
NOE - Notice of Exemption
Document Description
Water Authority staff discovered Pipeline 4 to have wire breaks in the pre-stressing wire indicating potential destressed pipe requiring replacement. The project will replace approximately 48 linear feet of Pipeline 4, an existing 90 - inch diameter Prestressed Concrete Cylinder Pipe (PCCP) on the Second San Diego Aqueduct. Replacement consists of removing existing PCCP and installing welded steel pipe in excavated access measuring approximately 90 feet long by 50 feet wide. Personnel and equipment access will also be made through structures along the pipeline alignment to support the work. Work will be confined to non-sensitive vegetation communities within the Water Authority’s ROW and temporary construction easements to be used for construction staging and access. Work will occur 24-hours a day for a period of seven days.

Contact Information

Summer Adleberg
Agency Name
San Diego County Water Authority
Job Title
Principal Water Resources Specialist
Contact Types
Lead/Public Agency / Project Applicant


Unincorporated - Bonsall
San Diego
Other Location Info
1,000 feet north of Lilac Rd and west of Interstate 15

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
The work activities consist of repairs to Pipeline 4 and minor alterations of existing public facilities, no expansion of use beyond that existing at the time this notice was executed. Maintenance of existing facilities is specifically categorically exempted from CEQA per the Water Authority's Administrative Code implementing CEQA [§8.00.060(a)1(i)].
County Clerk
San Diego


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