Tetra Tech Wins $33 Million U.S. Army Corps of Engineers Award to Enhance Inland Navigation

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November 14, 2023 – Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services, announced today that the U.S. Army Corps of Engineers (USACE) Rock Island District, Great Lakes and Ohio River Division, selected Tetra Tech for a $33 million task order to provide architectural and engineering (A-E) services to design a new 1,200-foot navigation lock on the Illinois River.

Tetra Tech was awarded the task order through the USACE Great Lakes and Ohio River Division’s Infrastructure Investment and Jobs Act (IIJA) Contract. Tetra Tech scientists, consultants, and engineers will design the new lock chamber to improve efficiency, reliability, and safety for navigation traffic along the river. The new lock will be twice as long as the existing lock system which will reduce wait times by more than seventy percent, accommodate larger vessels, and improve mariner safety. The project is a top priority of the USACE Navigation and Ecosystem Sustainability Program.

“The USACE Rock Island District maintains navigable waterways that are essential to the transportation of goods throughout the Midwest,” said Dan Batrack, Tetra Tech Chairman and CEO. “Tetra Tech looks forward to using our Leading with Science® approach to design systems that improve critical infrastructure, support public safety, and enhance the resilience and reliability of U.S. waterborne transportation supply chains.”

About Tetra Tech

Tetra Tech is a leading provider of high-end consulting and engineering services for projects worldwide. With 27,000 employees working together, Tetra Tech provides clear solutions to complex problems in water, environment, sustainable infrastructure, renewable energy, and international development. We are Leading with Science® to provide sustainable and resilient solutions for our clients. For more information about Tetra Tech, please visit tetratech.com or follow us on LinkedInTwitter, and Facebook.

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