TETRA TECH, INC.: federal contracts won
Federal contracts of $10,000 or more awarded to this company since October 2023 (FY2024), from USAspending.gov. UEI: X38LAAB5HB64
67contracts won
$24,256,654total obligated
$152,902median contract
Feb 01, 2027most recent start
Agencies it works for
| Agency | Contracts | Obligated |
|---|---|---|
| Environmental Protection Agency | 64 | $20,075,333 |
| Department of Defense | 2 | $4,165,888 |
| Department of the Interior | 1 | $15,433 |
Industries (NAICS)
| NAICS | Contracts | Obligated |
|---|---|---|
| 541620 Environmental Consulting Services | 34 | $9,428,543 |
| 541611 Administrative Management and General Management Consulting Services | 2 | $5,393,371 |
| 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 29 | $5,268,852 |
| 541330 Engineering Services | 2 | $4,165,888 |
Where it works
Virginia 44District of Columbia 7Ohio 5Pennsylvania 2Maryland 1New York 1Rhode Island 1Texas 1Alaska 1West Virginia 1Connecticut 1Hawaii 1Illinois 1
Recent contracts
| Contract | Winner | Agency | Obligated | Start |
|---|---|---|---|---|
| R499 - NATIONAL LAKES ASSESSMENT 2027: PLANKTON IDENTIFICATION
68HERW26F0193 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $884,750 Potential value: $1,474,750 |
Feb 01, 2027 Ends: Dec 20, 2028 |
| SANDUSKY BAY HYDRODYNAMIC AND PARTICLE TRANSPORT MODELING SERVICES
140G0226P0294 · NAICS 541620 Environmental Consulting Services · Port Clinton, OH |
— | Department of the Interior U.S. Geological Survey |
$15,433 | Sep 18, 2026 Ends: Mar 21, 2027 |
| SUPPORT FOR THE 2025 NATIONAL COASTAL CONDITION ASSESSMENT (NCCA) FILLET TISSUE STUDY SAMPLE SHIPMENTS, DATA QUALITY REVIEW, AND REPORTING R…
68HERW26F0221 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $125,000 Potential value: $131,800 |
Sep 08, 2026 Ends: Mar 08, 2027 |
| NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM WATER QUALITY TECHNICAL SUPPORT.
68HERW26F0195 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $147,334 Potential value: $779,597 |
Aug 24, 2026 Ends: Aug 23, 2027 |
| R499 - TECHNICAL SUPPORT FOR WATER QUALITY STANDARDS (WQS) RULEMAKINGS, DETERMINATIONS, AND ACTIONS.
68HERW26F0182 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $184,493 Potential value: $1,091,134 |
Aug 19, 2026 Ends: Aug 18, 2027 |
| AJ11: TECHNICAL SUPPORT FOR CONTINUOUS MONITORING AND ASSESSMENT DOCUMENT
68HERF26F0046 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Fairfax, VA |
— | Environmental Protection Agency | $179,979 | Feb 27, 2026 Ends: Feb 29, 2028 |
| B516 - FEDERAL WATER QUALITY STANDARDS AND RULEMAKING SUPPORT.
68HERC25F0203 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $267,686 | Jun 01, 2025 Ends: May 31, 2026 |
| B516 - SUPPORT FOR THE 2025 NATIONAL COASTAL CONDITION ASSESSMENT (NCCA) FILLET TISSUE STUDY SAMPLE PREPARATION.
68HERC25F0230 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $570,139 Potential value: $600,872 |
Jun 01, 2025 Ends: May 31, 2026 |
| AH12 - TASK ORDER - NCCA: EXTERNAL BENTHIC QA
68HERC25F0224 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Fairfax, VA |
— | Environmental Protection Agency | $156,628 Potential value: $269,788 |
May 05, 2025 Ends: Nov 02, 2026 |
| AH12 - TECHNICAL SUPPORT FOR DISTRICT OF COLUMBIA BACTERIA TMDL MODELING AND DEVELOPMENT
68HERC25F0211 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Fairfax, VA |
— | Environmental Protection Agency | $381,320 Potential value: $819,075 |
Apr 23, 2025 Ends: Mar 31, 2028 |
| B516 - TECHNICAL SUPPORT FOR DEVELOPMENT OF HUMAN HEALTH WATER QUALITY CRITERIA
68HERC25F0183 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $72,451 Potential value: $638,425 |
Mar 25, 2025 Ends: Mar 24, 2026 |
| REPORTS, TOOLS, AND DATA VISUALIZATIONS FOR ASSESSING AQUATIC BIOLOGICAL ENDPOINTS
68HERC25F0159 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Fairfax, VA |
— | Environmental Protection Agency | $89,872 | Feb 05, 2025 Ends: Nov 08, 2026 |
| NEW TASK ORDER - "ASSESSMENT OF THE POTENTIAL FOR ENHANCED EFFICIENCY FERTILIZERS (EEFS) IN THE U.S. USING SWAT"
68HERC25F0156 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Fairfax, VA |
— | Environmental Protection Agency | $67,897 Potential value: $87,882 |
Jan 28, 2025 Ends: Jan 31, 2027 |
| TASK ORDER AWARD - AUTOMATED DATA ANALYSIS AND ASSESSMENT METHODOLOGY TOOL FOR MT / WY AND REGION 8 TRIBES.
68HERC25F0030 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $146,099 Potential value: $186,011 |
Jan 15, 2025 Ends: Jan 14, 2026 |
| NEW TASK ORDER - EXPANDING THE USE AND FUNCTIONALITY OF A CAUSAL ASSESSMENT SCREENING TOOL (CASTOOL)
68HERC25F0078 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Fairfax, VA |
— | Environmental Protection Agency | $123,812 | Nov 21, 2024 Ends: May 31, 2026 |
| NEW TASK ORDER UNDER CONTRACT 68HERC22D0026 TO BE PERFORMED ACCORDING TO THE ATTACHED PERFORMANCE WORK STATEMENT (PWS) TITLED, "PFAS SPATIAL…
68HERC25F0053 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Fairfax, VA |
— | Environmental Protection Agency | $155,000 | Nov 04, 2024 Ends: Oct 31, 2025 |
| CONTRACT 68HERC20D0016, TO 68HERC24F0476 - WATER PERMITS DIVISION (WPD) NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) WATER QUALIT…
68HERC24F0476 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $98,369 Potential value: $100,891 |
Sep 20, 2024 Ends: Sep 19, 2025 |
| THIS NEW TASK ORDER TITLED "COMPOST VALUE" INCLUDES THE FOLLOWING TASKS: TASK 1: ESTABLISH COMMUNICATION AND QAPP TASK 2: RESPOND TO EXTERN…
68HERC24F0472 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Fairfax, VA |
— | Environmental Protection Agency | $93,020 | Aug 19, 2024 Ends: Apr 11, 2025 |
| CONTRACT 68HERC20D0016, TASK ORDER 68HERC24F0461 - FEDERAL WATER QUALITY STANDARDS (WQS) AND RULEMAKING SUPPORT.
68HERC24F0461 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $75,065 Potential value: $544,573 |
Aug 06, 2024 Ends: May 31, 2025 |
| CONTRACT 68HERC20D0016, TASK ORDER 68HERC24F0390 FOR MAINTENANCE OF WATER QUALITY STANDARDS INFORMATION AND TRACKING SYSTEM (WQSITS) DATA IN…
68HERC24F0390 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $156,968 Potential value: $235,852 |
Jun 20, 2024 Ends: Oct 31, 2025 |
| CONTRACT 68HERC20D0016, TASK ORDER 68HERC24F0396 - TECHNICAL SUPPORT FOR EPA RULEMAKINGS, DETERMINATIONS AND OTHER WATER QUALITY STANDARDS (…
68HERC24F0396 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $81,820 Potential value: $208,724 |
Jun 20, 2024 Ends: Oct 31, 2025 |
| CONTRACT 68HERC20D0016, TO 68HERC24F0315- 2025 NCCA PLANNING, SAMPLE COLLECTION, REPORTING RESULTS OF COMPLETED STUDIES
68HERC24F0315 · NAICS 541620 Environmental Consulting Services · Fairfax, VA |
— | Environmental Protection Agency | $579,367 Potential value: $1,069,996 |
Jun 03, 2024 Ends: Nov 30, 2025 |
| NEW TASK ORDER ON CONTRACT 68HERC22D0026 FOR FRESHWATER EXPLORER DATA LAYERS. IN PARTICULAR, PFAS DATA LAYERS WILL BE CURATED, COMBINED, AND…
68HERC24F0281 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Bridgeport, CT |
— | Environmental Protection Agency | $43,962 | Apr 10, 2024 Ends: Apr 09, 2025 |
| THE PRIMARY OBJECTIVE OF THE PROPOSED WORK IS TO BEGIN THE PROCESS OF DEFINING WHICH ALASKA PWSS ARE VULNERABLE TO CYANOBACTERIAL BLOOMS.
68HERC24F0230 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · Anchorage, AK |
— | Environmental Protection Agency | $92,936 | Mar 11, 2024 Ends: Apr 01, 2026 |
| THE GOAL OF THIS TASK ORDER IS TO IDENTIFY WHICH PUBLIC WATER SYSTEMS (PWS) HAVE AND WHICH DO NOT HAVE THE ABILITY TO TREAT, CHANGE SOURCES,…
68HERC24F0182 · NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) · New York, NY |
— | Environmental Protection Agency | $243,826 Potential value: $373,277 |
Jan 30, 2024 Ends: Jan 31, 2026 |
Source: USAspending.gov (prime contract awards of $10,000 or more). Values are amounts obligated to date. Recent months can still change as agencies report late.