Collection System Renovation Projects
Project-specific information such as descriptions, maps, and contacts can be found here.
LAFAYETTE SEWER RENOVATION PROJECT, PHASE 15
Project Description The Lafayette Sewer Renovation Project will replace approximately 1.8 miles of sewers at various locations around Lafayette.
Project Status In Construction
Construction Schedule March 2025 – November 2025
Point of Contact Chris Carpenter, (925) 229-7200 For construction impacts & general project information. (Contractors/bidders visit the Business Construction page for project information.)
PLEASANT HILL SEWER RENOVATION PROJECT, PHASE 3
Project Description The Pleasant Hill Sewer Renovation, Phase 3, will replace approximately 1.8 miles of sewers, primarily in the Gregory Gardens neighborhood.
Project Status In Construction
Construction Schedule March 2025 – January 2026
Point of Contact Chris Carpenter, (925) 229-7200 For construction impacts & general project information. (Contractors/bidders visit the Business Construction page for project information.)
39-INCH MAIN TRUNK NO. 1 RENOVATION
Project Description This Project will install approximately 4000 LF of sewers in Pacheco, which will allow future abandonment/removal of the portion of Main Trunk No. 1 from Buchanan Golf Course to Central San’s wastewater treatment plant.
Project Status Pre-Construction
Construction Schedule June 2025 – December 2025