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Tetra Tech aquires Piteau Associates

  • Tetra Tech aquires Piteau Associates
    Credit: Tetra Tech Twitter account

About the entity

Tetra Tech
Tetra Tech is a leading provider of consulting and engineering services. The Company supports government and commercial clients by providing innovative solutions focused on water, environment, infrastructure, resource management, energy.


Tetra Tech, a leading provider of high-end consulting and engineering services, has further expanded its sustainable water management practice with the addition of Piteau Associates, based in Vancouver, British Columbia.

Established in 1976 by Dr. Douglas R. Piteau, the firm is a global leader in sustainable natural resource analytics including hydrologic numerical modeling and dewatering system design. Their staff pioneered the development of discrete element numerical models to simulate rock mass behavior for slope design and hydraulic integrity. With the majority of its staff having advanced degrees, the Piteau team solves the natural resource industry’s most complex geotechnical and water-related challenges and has been an important contributor to key industry textbooks, scientific publications, and best practice guidelines involving applied rock mechanics, hydrogeology, hydrology, and geochemistry. Recognized global experts on the Piteau Associates team serve on numerous technical review boards and audit and assurance teams on projects around the world.

“Tetra Tech has a long history of Leading with Science® through the application of advanced analytics to water management,” said Dan Batrack, Tetra Tech Chairman and CEO. “The addition of Piteau Associates further expands our expertise in the specialized analysis of sustainable water management and geotechnics for our commercial resource management clients.”

Mark Hawley, Piteau Associates Chairman and CEO, said, “We are excited to join the Tetra Tech family, and to add our expertise to Tetra Tech’s comprehensive scope of engineering and consulting services. We share Tetra Tech’s strong commitment to providing high quality, sustainable and practical solutions based on sound engineering, and focus on projects and developing long-term client relationships. By joining Tetra Tech, we can collaborate on highly technical multi-disciplinary projects, further our global growth strategy, and provide new opportunities for our team and a broader scope of services to our clients.”

The terms of the acquisition were not disclosed. Piteau Associates is joining Tetra Tech’s Commercial/International Services Group.

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