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Study 

Tetra Tech leads with science to provide clear, efficient solutions in environmental engineering and consulting.

Water Resources

For more than 40 years, we have developed innovative approaches to assess, protect, and restore our water sources, in terms of both water quality and quantity.
 

Groundwater Services

We are the internationally recognized leader in characterizing and remediating groundwater contamination problems.
 

Watershed Management

We have long been recognized as a leader in watershed management, successfully integrating science, policy, technology, and economics.
 

Mining Services

Tetra Tech is a leading provider of specialized mineral resource engineering and technical consulting services.
 

Environmental Management

We provide environmental planning, restoration, and conservation services for a sustainable future.
 

Geotechnical Engineering

Tetra Tech employs more than 600 geotechnical engineers, soils technicians, and drillers to provide recommendations and designs.
 

Information Technology

We deliver best-in-class solutions including life cycle software application development, internet/intranet/extranet, and help desk support.