Tetra Tech has decades of experience providing environmental solutions that are both feasible for our clients and sustainable for our future. Tetra Tech is consistently recognized by Environmental Business Journal and Engineering News-Record as one of the top large businesses working in the environmental industry today. Our fully integrated range of environmental and engineering services allows us to quickly and cost-effectively address our public and private clients’ environmental issues.


Engineering News-Record magazine ranks Tetra Tech #1 in Environmental Management and Environmental Science.

Related Projects

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A bat hanging from a branch in the jungle. Bats are a common vector and host of zoonotic diseases.

Strategies to Prevent Spillover of Zoonotic Diseases

Providing technical assistance and support to strengthen capacity to prevent the spread of zoonotic diseases from animals to humans worldwide

Tetra Tech designed a full-river-width rock weir fish passage to replace the aging New Savannah Bluff Lock and Dam.

Savannah Harbor Expansion Project Fish Passage

Designing the largest rock weir fish passage in the U.S. so endangered fish can access critical habitat

Cheyenne Mountain

Cheyenne Mountain Waste Management

Helping the U.S. Air Force optimize its environmental stewardship programs

Tetra Tech's turn-key planning, engineering, constrction, and operations support in Orange County, California.

Engineering Support at the Prima Deshecha Landfill

Providing turn-key planning, engineering, construction, and operations support to a regional metropolitan landfill serving Orange County, California

Turf installation for the landfill capping project at Sunshine Canyon Landfill by Tetra Tech

Sunshine Canyon Landfill Area 1 Capping Project and Phase III Landfill Gas System Installation

Performing capping and landfill gas system installation in Sunshine Canyon Landfill, including geosynthetic liner installation