Tetra Tech has been ranked #1 in Water by Engineering News-Record magazine for 15 years in a row. Tetra Tech helps provide access to safe, abundant water supplies; effective treatment of stormwater and wastewater; flood control and restoration tools; and innovative watershed protection approaches to assess, protect, and restore our water bodies. Our potable water services help protect public health and improve quality of life. Tetra Tech is involved in all phases of the water cycle, combining state-of-the-art techniques and demonstrated best practices.

Related Projects

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Tetra Tech’s master plan included a new sewer interceptor and treatment ponds in in Lusaka, Zambia

Lusaka Water and Sanitation Project, Zambia

Developing and optimizing sanitation, water, and drainage improvements to expand economic development

High tide flooding at Honoapi'ilani Highway, Olowalu, Maui

Hawaiʻi Sea Level Rise Vulnerability and Adaptation Report

Assessing sea level rise vulnerability statewide and recommending changes to reduce exposure and increase capacity to adapt

Basic Education Quality and Access in Lao PDR

Basic Education Quality and Access in Lao PDR

Delivering quality and accessible primary education to disadvantaged girls and boys

Aboriginal Riverkeeper team with ELA project manager, who is holding the coolamon and digging stick that the team gifted

Aboriginal Riverkeeper Team, Georges River, Sydney Australia

Celebrating successful environmental conservation work-based traineeships for Aboriginal Australians

Train running down Meacham Creek valley in Eastern Oregon where Tetra Tech removed levees and spur dikes.

Meacham Creek Floodplain Restoration and In-stream Enhancement

Restoring traditional fishing habitat on Meacham Creek for the Confederated Tribes of the Umatilla Indian Reservation in Oregon