Tetra Tech, Inc. Federal Contracts
Tetra Tech, Inc. of Fairfax, Virginia won $1.5 million in federal contracts from Oct 19, 2025 to Oct 19, 2026, mostly from the Environmental Protection Agency, for environmental consulting services and research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology).
| Unique Entity ID (UEI) | X38LAAB5HB64 |
|---|---|
| Location | Fairfax, Virginia |
| Parent company | Tetra Tech, Inc. |
| Business types | Other than small business |
Agencies that paid Tetra Tech, Inc.
- Environmental Protection Agency: $1.4 million
- U.S. Geological Survey: $15,433
- Department of the Army: $0
- Centers for Disease Control and Prevention: $0
What Tetra Tech, Inc. sells to the government
- Environmental Consulting Services (NAICS 541620): $1.2 million
- Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (NAICS 541715): $280,901
- Engineering Services (NAICS 541330): $0
- Other Scientific and Technical Consulting Services (NAICS 541690): $0
- Administrative Management and General Management Consulting Services (NAICS 541611): $-30,613
Tetra Tech, Inc.'s largest contracts with recent activity
- $4.8 million, Environmental Protection Agency, from Mar 29, 2018: Chesapeake bay tmdl watershed implementation plan and modeling support (0003)
- $2.8 million, Department of the Army, from Sep 19, 2021: Eis for air force maui optical and super (W9127821F0371)
- $2.5 million, Environmental Protection Agency, from Mar 26, 2019: Epa region 4 oceanographic surveying (68HERC19F0074)
- $884,750, Environmental Protection Agency, from Feb 1, 2027: R499 - national lakes assessment 2027: plankton identification (68HERW26F0193)
- $604,952, Environmental Protection Agency, from Mar 25, 2023: Shpd tetra tech contract no. 68herc20d0016, task order 68herc23f0186, titled technical support for development of human health water quality criteria ambient water quality criteria, developed by epa… (68HERC23F0186)
- $584,730, Environmental Protection Agency, from Jul 18, 2022: Nutrient-scientific technical exchange partnership support (n-steps) (68HERC22F0367)
Amounts are each contract's total value; the contracts had spending in the last 12 months.
Open bids in Tetra Tech, Inc.'s trades
432 open federal notices today are in the trades Tetra Tech, Inc. sells most. The newest:
Award figures: contract obligations reported to USAspending.gov, read Oct 19, 2026.
Questions about Tetra Tech, Inc.
How much does Tetra Tech, Inc. get in federal contracts?
$1.5 million in contract obligations from Oct 19, 2025 to Oct 19, 2026, the most from the Environmental Protection Agency ($1.4 million).
Which agencies does Tetra Tech, Inc. work for?
Environmental Protection Agency ($1.4 million), U.S. Geological Survey ($15,433), Department of the Army ($0) and Centers for Disease Control and Prevention ($0).
What does Tetra Tech, Inc. sell to the federal government?
environmental consulting services, research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology) and engineering services.