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Pipeline Relining Project Underway in Fallbrook

Improving the reliability of the water delivery system is the central goal of the Water Authority’s Pipeline 5 Relining Project.  The project involves rehabilitating approximately 2.3 miles of pipeline in 8 separate segments along a 9.5-mile stretch of pipeline traversing the Fallbrook community.

The 25.3 million-dollar project will start in September and conclude in summer 2019.  It is part of the Water Authority's multi-decade program to rehabilitate prestressed concrete cylinder pipeline (PCCP) within the agency's conveyance system with steel liners. (see images below)

The liners will extend the pipeline's service life and ensure continued system reliability.  When this project is complete, the Water Authority will have rehabilitated approximately 47 miles of PCCP and passed the halfway point of achieving its goal of relining all 82 miles of this type of pipeline in the agency's system.

To learn more about the Water Authority's long-term pipeline replacement program to maintain the integrity and reliability of its system go to  To learn more about the Pipeline 5 Relining project and view the project map, go to

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