Tetra Tech has been ranked #1 in Water by Engineering News-Record magazine for 17 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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Children use the mini-system designed by Tetra Tech in Voinjama

Planning and Design, Liberia Municipal Water Project I

Planning and designing effective water delivery systems to reduce waterborne diseases, improve public health, and stabilize access to clean water

Tetra Tech trains kiosk operators to dispense and monitor water sales throughout the Liberian communities.

Quality Assurance and Institutional Reform, Liberia Municipal Water Project II

Overseeing construction, capacity building, and institutional reform efforts for three water utilities that include treatment, storage, and distribution facilities in Liberia

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 Laos

Delivering quality and accessible basic education to more girls and boys in Laos