Celebrating 50 Years of Excellence

Celebrating 50 Years of Excellence

Tetra Tech has provided consulting and engineering services worldwide since 1966. As part of our 50th Anniversary celebration, our employees discuss how they define Tetra Tech’s DNA and what makes the company unique.

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Geotechnical investigation at fly ash pond

Coal Combustion Residuals Pond Closures at American Electric Power Plant

Providing engineering design and permitting for final closure of fly ash and bottom ash ponds and coal yard at retired power plant

Bioreactor basin at Michelson Water Reclamation Plant

Michelson Water Reclamation Plant Phase II Improvements

Partnering in the design and construction of a water reclamation plant in Irvine, California

Power Africa Transaction and Reforms Program

Power Africa Transaction and Reforms Program

Assisting the U.S. Agency for International Development in the responsible, transparent, and effective development of new and cleaner electricity generation in Africa

Historic Gay Head Light on Martha’s Vineyard in Aquinnah, MA

Environmental Consulting for Move of Iconic Gay Head Light

Managing lead-impacted soil during the move of an endangered historic lighthouse for Aquinnah, Massachusetts

50th Anniversary

Tetra Tech 50th Anniversary

On July 28, 2016, Tetra Tech celebrates 50 years of excellence in providing expert technical and scientific services for clients around the world. Learn more about our history.

Members of the Viola Liuzzo Park Association with Viola’s descendants pose with ceremonial art shovels at the park.

Tetra Tech Joins Groundbreaking Celebration for Detroit, Michigan Park Revitalization Project

Designing three bioretention areas to help bring green infrastructure to Detroit’s Viola Liuzzo Park

USAID Mentor of the Year Award

Tetra Tech Wins the USAID Mentor of the Year Award

Receiving recognition for our USAID mentor-protégé partnership with SSG Advisors

Tetra Tech employees teach high school students

Tetra Tech Employees Teach High School Students about their Local Environment

Promoting science, technology, engineering, and mathematics in our local communities and teaching students about Tetra Tech’s role in the community