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Cal-Sag Crossing
Project ID: AWSP-07-01
Project Description: Approximately 600 feet of 66" diameter transmission main in rock tunnel
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Project Area: Palos Hills, Palos Park
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Project Status: Design
Bid Advertisement Date: Q2 2026
Construction Start Date: Q3 2026
Construction Completion Date: Q1 2029
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 4/4/25 Design in progress; Access permit for field investigations approved
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