Regional Transmission Main
(Segment D)
Project ID: AWSP-06-04
Project Description: 5 miles of 30"-48" diameter water transmission main
Project Area: Joliet, Shorewood
Project Status: Design
Bid Advertisement Date: December 2026
Construction Start Date: Q2 2027
Construction Completion Date: Q4 2028
Contractor Name: TBD
Submit construction questions or comments to construction@gpwc-il.org
or by calling 833.815.GPWC (833.815.4792)
Project Notes
Updated 08/20/2026 The design team has completed the 90% design review process and is moving into 100% design.
Updated 07/15/2026 The design team has submitted the 90% design documents for review.
Updated 06/11/2026 The design team is nearing completion of the 90% design documents.
Updated 03/17/2026 Supplemental field investigations planned.
Updated 12/17/2025 90% design work is ongoing.
Updated 10/06/2025 The design team has completed the 60% design review process and is moving into 90% design.
Updated 08/01/2025 The design team has submitted the 60% design documents for review.
Updated 06/10/2025 Design in progress. Field investigations complete.
Updated 04/04/2025 Design in progress. Field investigations ongoing.