Company Overview

For more than 50 years, Tetra Tech has been providing innovative solutions to complex environmental problems for public and private sector clients. Tetra Tech’s size and presence offers distinct advantages, with over 20,000 staff and a network of more than 450 offices worldwide.  Tetra Tech's staff provides expertise in more than 65 scientific and engineering disciplines allowing a team of specialists to be available to clients for any type of environmental or engineering need.

Environment, Health, and Safety Management

Tetra Tech works closely with our industrial and commercial clients to address emerging issues in environment, health, and safety (EHS) management. Our environmental specialists help track, maintain, audit, and improve clients’ EHS management systems. Our services include impact assessment, due diligence, feasibility studies, site selections, and mergers and acquisitions support. We prepare risk management plans, develop plans for responding to natural and man-made disasters, and audit internal EHS performance.

Air Quality

Tetra Tech’s deep knowledge of current and changing air quality issues helps our clients meet air quality requirements. Our full-service air practice includes deep expertise in strategic compliance planning, emissions inventory development, control technology review, permit development, air dispersion modeling, and designing and installing pollution control systems. Our customized compliance programs include computerized databases and reporting software to efficiently and effectively meet compliance obligations.

Water and Wastewater

Our regulatory knowledge and technical expertise help clients comply with environmental laws related to drinking water, stormwater, and industrial wastewater. We perform water quality modeling, wastewater characterization, treatment technology evaluation, treatability studies, conceptual design, detailed engineering design, construction management, system optimization, and water and wastewater plant operation.

Why Tetra Tech Inc.?

Tetra Tech recognizes the challenges industries face in managing environmental liabilities and implementing environmental solutions. Our in-depth understanding of the regulatory framework enables us to formulate best-value solutions that optimize business performance for the industries we support. Tetra Tech supports industrial clients across major market sectors including oil and gas, manufacturing, power, and mining.  Our services encompass all aspects of environmental compliance, including developing permit applications and compliance evaluations, designing and building capital projects, and implementing environmental management systems.