With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. In addition to conventional facility solutions and designs, our projects include Hydrogen Electrolysis, Ammonia Production Facilities, Renewable Natural Gas Processing, Emissions Reduction Studies, Carbon Capture and Sequestration, wastewater, pharmaceuticals, and much more.