-

Tetra Tech Wins $450 Million EPA Environmental Restoration Contract

PASADENA, Calif.--(BUSINESS WIRE)--Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services, announced today that the U.S. Environmental Protection Agency (EPA) has awarded the Company a $450 million, multiple-award contract to accelerate environmental clean-up of contaminated sediment sites in the Great Lakes region to reduce risk to human health and the environment.

Under this five-year contract, Tetra Tech will provide technical support services to EPA Region 5 and the Great Lakes National Program Office to assess the extent of contamination and support the development, evaluation, and selection of remedial and habitat restoration strategies. Our engineers and scientists will use our Leading with Science® approach to develop site assessments and feasibility studies, collect and analyze data, and design innovative solutions to promote sustainable ecosystems at a watershed scale.

“Tetra Tech has supported EPA’s environmental programs in the Great Lakes for more than 40 years,” said Dan Batrack, Tetra Tech Chairman and CEO. “Our work applying innovative technologies to remediate contaminated sites and restore coastal areas throughout the Great Lakes Basin is part of our commitment to improve 1 billion lives through our projects by 2030.”

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 LinkedIn, Twitter, and Facebook.

Any statements made in this release that are not based on historical fact are forward-looking statements. Any forward-looking statements made in this release represent management’s best judgment as to what may occur in the future. However, Tetra Tech’s actual outcome and results are not guaranteed and are subject to certain risks, uncertainties and assumptions ("Future Factors"), and may differ materially from what is expressed. For a description of Future Factors that could cause actual results to differ materially from such forward-looking statements, see the discussion under the section "Risk Factors" included in the Company’s Form 10-K and Form 10-Q filings with the Securities and Exchange Commission.

Contacts

Jim Wu, Investor Relations
Charlie MacPherson, Media & Public Relations
(626) 470-2844

Tetra Tech, Inc.

NASDAQ:TTEK

Release Versions

Contacts

Jim Wu, Investor Relations
Charlie MacPherson, Media & Public Relations
(626) 470-2844

More News From Tetra Tech, Inc.

Tetra Tech Selected for Resilient Energy Infrastructure Framework

PASADENA, Calif.--(BUSINESS WIRE)--Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that EirGrid plc—Ireland’s national electric grid operator—has selected Tetra Tech to support expansion of the country’s electricity transmission and distribution network infrastructure. Tetra Tech’s energy engineers will design and deliver high-end ground investigations and engineering analy...

Tetra Tech Reports Strong Fourth Quarter and Fiscal 2025 Results

PASADENA, Calif.--(BUSINESS WIRE)--Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment and sustainable infrastructure, today announced results for the fourth quarter and fiscal year ended September 28, 2025. Fourth Quarter 2025 Highlights (Excluding USAID and Dept. of State (DOS)) Revenue increased 6% Y/Y to $1.23 billion Net Revenue1 increased 10% Y/Y to $1.07 billion Adjusted1 Operating Income increased 23% Y/Y to $168 mill...

Tetra Tech Selected to Lead Groundwater Monitoring Services for Major UK Infrastructure Project

PASADENA, Calif.--(BUSINESS WIRE)--Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Tideway has selected Tetra Tech to provide groundwater monitoring services for the next phase of the Thames Tideway Tunnel, which aims to protect the tidal River Thames and significantly reduce sewer overflow pollution. Tetra Tech’s groundwater engineering experts will deliver high-end w...
Back to Newsroom