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City of Joliet authorizes Stantec to perform preliminary design of $600-$800M Alternative Water Source Program

City of Joliet authorizes Stantec to perform preliminary design of $600-$800M Alternative Water Source Program

Project to provide reliable drinking water to a city where, by 2030, current supply will no longer meet maximum demand

Stantec has been selected by the City of Joliet, Illinois to lead the preliminary design phase of its Alternative Water Source Program. Joliet, located 30 miles southwest of Chicago, currently sources much of its water from a deep aquifer that will no longer be able to meet maximum day demands by 2030. To address this challenge, the City undertook a two-phase study to evaluate and identify a new source of water, with options including area groundwater, rivers, and Lake Michigan. Findings were presented to the public and, in January 2020, the Joliet City Council selected Lake Michigan as its preferred source and proceeded to evaluate two options for bringing Lake Michigan water to the region.

In April 2020, Stantec, together with Crawford, Murphy & Tilly and additional subconsultants, was selected to evaluate whether water from Lake Michigan should be purchased from the City of Chicago and conveyed to Joliet through a new water transmission system or obtained through the construction of an entirely new water system supplied by an intake along the Indiana shoreline. This week, Joliet’s City Council voted to proceed with development of the City of Chicago Alternative and authorized the Stantec team to begin preliminary design of the required infrastructure improvements. The $600-$800 million system will include new pumping, storage, and water transmission infrastructure to convey finished water approximately 31 miles to Joliet for distribution throughout the existing system.

“Long-term decline in water levels in the deep sandstone aquifer in northeastern Illinois threatens the sustainability of a number of water systems in the region that rely on groundwater as their source of supply. The City of Joliet has taken a key step forward in its effort to implement a new and reliable, long-term water supply for the community,” said Joe Johnson, Vice President and Project Manager at Stantec. “We are excited to continue our partnership with the City and hit the ground running, leveraging our local and national expertise to drive this important project forward.”

The Stantec team’s scope of work to date has included supporting the City in the final technical and cost evaluations of the two options; application for a Lake Michigan water allocation permit; negotiation of preliminary supply/access agreements; intergovernmental coordination and communications; and public outreach. The team also evaluated regionalization strategies and options for conveyance configurations and routing to deliver Lake Michigan water to the City by 2030. The team is now tasked with completing preliminary design of all components of the new system, including connection, transmission, pumping, storage, and delivery facilities.

Preliminary design will begin immediately, with a construction start for some elements anticipated in late 2024.

Systems to move, treat, and store potable water, stormwater, wastewater, and sanitary sewage are increasingly more complex as our communities grow larger. By viewing water as an integrated system, Stantec is helping to confront global water challenges, and accelerate the pathway to a more sustainable, reliable, and affordable future that provides improved water, energy, and infrastructure solutions. Learn more at stantec.com/water.

About Stantec

Communities are fundamental. Whether around the corner or across the globe, they provide a foundation, a sense of place and of belonging. That’s why at Stantec, we always design with community in mind.

We’re designers, engineers, scientists, and project managers, innovating together at the intersection of community, creativity, and client relationships. Balancing these priorities results in projects that advance the quality of life in communities across the globe.

Stantec trades on the TSX and the NYSE under the symbol STN. Visit us at stantec.com or find us on social media.

For more information about Stantec’s response to COVID-19, visit Responding to COVID-19.