Submit construction questions or comments to construction@gpwc-il.org
or by calling 833.815.GPWC (833.815.4792)
Project Notes
Updated 09/17/2026
The pipe is installed in the tunnel. The contractor will begin placing more concrete in tunnel sections. Construction vehicles and concrete trucks will continue to be present on site.
Updated 08/20/2026
The contractor has begun installing pipe and grout in the tunnel. Construction vehicles, concrete trucks and pipe delivery trucks will be present on site.
Updated 07/15/2026
The contractor is continuing with concrete installation in the tunnel. Construction vehicles and concrete trucks will be present on site.
Updated 06/11/2026
The contractor has begun installing concrete in the tunnel. An increase in construction vehicles and concrete trucks can be expected during this phase.
Updated 05/20/2026
Tunnel excavation is complete. The contractor has begun installing concrete in the tunnel. The next community meeting at Durkin Park Elementary School is scheduled for May 21, 2026.
Updated 05/01/2026
Tunnel excavation and rock removal is complete. The contractor will begin preparing for installation of
the pipe into the tunnel. The next community meeting at Durkin Park Elementary School is scheduled for May 21, 2026.
Updated 04/13/2026
Tunnel excavation and rock removal is expected to be completed by late April. Please be aware that as this phase completes and the contractor shifts to the next phase, there will be an increase in large equipment and truck traffic around the site. The next community meeting at Durkin Park Elementary School is scheduled for May 21, 2026.
Updated 03/17/2026
Progress has reached 75% with tunnel excavation. Contractor is moving forward with planning for the next phases of the project.
Updated 02/27/2026
The contractor continues tunnel construction and rock removal from the north side of the site. Progress on the underground excavation has passed the 50% mark for the tunnel. Large equipment and trucks are active in the area while rock is being hauled from the site. Please be aware of lane closures and signage as these have been placed to keep everyone safe.
Updated 01/27/2026
Contractor and Program Team members will participate along with the City of Chicago Department of Water Management and Chicago Park District in the next community meeting at Durkin Park Elementary School on February 26, 2026.
Updated 01/12/2026
The contractor continues tunnel construction and rock removal from the north side of the site. Large equipment and trucks are active in the area while rock is being hauled from the site. Please be aware of lane closures and signage as these have been placed to keep everyone safe.
Updated 12/17/2025
The contractor continues tunnel construction and rock removal from the north side of the site. On the south side of the project, there will be tractor trailers loaded with large equipment coming to and from the site.
The contractor will have attendants in high visibility construction gear in front of the site while critical procedures are taking place. Please also pay attention to lane closures and signage.
Updated 11/14/2025
The contractor continues construction activities on the north and south sides of the South West Pump Station.
Large equipment and trucks are active in the area. For everyone’s safety, the contractor will have attendants present in front of site during critical construction activities.
Updated 11/03/2025
The GPWC and the contractor supported Durkin Park Elementary School's Harvest Festival with refreshments and a Touch-a-Truck event.
The contractor continues rock removal from the North Shaft. Large equipment and trucks are active in the area while rock is being hauled from the site.
Updated 10/6/2025
The contractor continues rock removal from the North Shaft and has begun excavation for Pump Shaft and Wetwell Construction. Large equipment and trucks are active in the area while soil and rock is being hauled from the site.
Updated 09/22/2025
Rock removal from the North Shaft has begun. The contractor has begun bringing equipment and material to the site for Pump Shaft and Wetwell Construction. Large equipment and trucks are active in the area.
Updated 09/05/2025
Excavation of soil at the North Shaft is complete and excavation of tunnel shaft will continue in rock. Large equipment and trucks are active in the area while soil is being hauled from the site.
For everyone’s safety, please stay outside construction boundaries, follow posted signs, and remain alert around construction traffic.
Updated 08/01/2025
The contractor has been working on drilling operations that will relocate to the south end of the construction site in a few weeks. The contractor will participate in the Back-to-School Family Night and the Community Meeting scheduled for August 14, 2025 at Durkin Park Elementary School.
Sidewalk safety measures have been increased. With school starting soon, adults should be aware of closed sidewalks and project boundaries and talk to kids about the importance of respecting the restricted areas so that everyone stays safe.
Updated 07/04/2025
Existing asphalt pavement of former traffic circles have been demolished and removed at the intersections of W 85th St and S Kedvale Ave, and W 84th St and S Komensky Ave. New asphalt pavement has been placed at each location.
The contractor plans to mobilize large construction equipment during the first week of July 2025. Fence installation is complete.
Fencing, barriers, sidewalk closures and signage are in place to keep the public safe.
Pedestrians are requested to respect the Construction Project boundaries for everyone's safety.
Updated 06/10/2025
Groundbreaking ceremony held at Chicago's Southwest Pumping Station on June 2, 2025. Permitting and tree trimming is complete; fencing is being installed and equipment is being mobilized. Work hours expected to be 7am to 5pm with no loud noises before 8am.
Updated 05/02/2025
Contractor permits submitted, awaiting approval.
Once construction begins, contractor will start with tree trimming and removal.
Residential home inspections complete, next community update meeting on May 15, 2025 at Durkin Park Elementary School.
Updated 04/04/2025
Contractor permits submitted, awaiting approval.
Minimal site activity – preconstruction land survey and project site video.
Residential home inspections have begun.
Community update meeting completed at Durkin Elementary School.