Project Summary
The City of National City is upgrading portions of the community’s sewer system to improve reliability and capacity. The scope of work will remove and replace the existing 6-inch sewer main with new 8-inch and 10-inch SDR PVC pipe along E. 4th Street and Harbison Avenue. Work will include replacement of existing sewer manholes, mainline segments, laterals, and clean outs, as well as associate concrete and roadway pavement improvements.
Timeline
See the project timeline below for P2 Sewer Upsizing Project.
Funding
See the funding sources below for P2 Sewer Upsizing Project.
Project Updates
DATE:
June 15, 2026
UPDATE:
Past 2 Weeks
- Contractor continued installation of sewer laterals and sewer manholes along Harrison Ave and began concrete improvements along E 4th Street.
2 Week Lookahead
- Contractor will continue to replace and install new sewer laterals, and asphalt pavement restoration.
- Contractor will continue with placing new concrete improvements along E 4th Street.
Locations Impacted
- E 4th Street from the Euclid Ave to Harbison Ave will have traffic control measures in place and detour routes will be deployed around the area.
- Harbison Ave will have traffic control measures in place and detour routes will be deployed around the area.
Project Team
Contractor:
Company Name
Contact Name
Address
City, State, Zip
Phone
Email
Project Manager:
Project Professionals Corporation
Josh Johnson, PE
4700 Spring Street, Suite 100
La Mesa, CA 91942
858.634.8180
Administrator:
City of National City
Steve Manganiello, TE
1243 National City Blvd
National City, CA 91950
619.336.4380