Federal contractor · public award history
TETRA TECH, INC.
Parent: TETRA TECH, INC. Unique Entity Identifier (UEI)LMRMKLLL3LG5
- Awards we know about
- 70
- Typical size
- $239,666
- Middle of their public awards
- Dollars on those awards
- $37.99M
Most of their awards we can see fall roughly between $138,957 and $600,872.
SAM.gov registration
- Status
- Active
- Purpose of registration
- All awards (Z2)
- Registration expires
- Jan 19, 2027
- Activation date
- Jan 21, 2026
- Primary NAICS (SAM)
- Environmental Consulting Services541620
Other NAICS on file
Business types (SAM)
Registration fields from the official SAM.gov public entity extract (monthly bulk). Not a substitute for live SAM checks.
Continue contractor research
Use the verified identifiers and public award record to investigate documented incumbents, compare competitors, or identify possible teaming partners. This is a research starting point, not a capability or partner recommendation.
These official USAspending contract records do not rate capability or past performance and do not tell you whether to team or bid.
Awarding agencies
- Environmental Protection Agency (70)
Industries & product codes
Award history
- Environmental Protection Agency$208,422Sep 9, 2025Procurement Instrument Identifier (PIID)68HERC23F0082Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715General Science And Technology R&D Services; General Science And Technology; Basic ResearchAJ11Contract awardUSAspending ↗
THIS TASK ORDER INCLUDES THE FOLLOWING FIVE TASK AREAS: 1. ESTABLISH COMMUNICATION WITH THE TOCOR; DEVELOP A QAPP 2. WEIGHT OF EVIDENCE 3. STRESSOR IDENTIFICATION 4. DIATOM TAXONOMY HARMONIZATION 5. RESEARCH, ASSESSMENT, AND ASSISTANCE ACTIVITIE
- Environmental Protection Agency$67,650Sep 9, 2025Procurement Instrument Identifier (PIID)68HERC24F0072Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715General Science And Technology R&D Services; General Science And Technology; Basic ResearchAJ11Contract awardUSAspending ↗
THE PURPOSE OF THIS PR IS TO AWARD A NEW ORDER FOR DRINKING WATER SYSTEM OPERATION INFORMATION UNDER CONTRACT 68HERC22D0026 THE REQUIRED DOCUMENTS ARE: A. INDEPENDENT GOVERNMENT ESTIMATE (IGE) B. SOW OR PWS (SERVICES) OR SPECIFICATIONS (PRODUC
- Environmental Protection Agency$458,963Aug 28, 2025Procurement Instrument Identifier (PIID)68HERC21F0042Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
TECHNICAL SUPPORT FOR MODELING EDUCATION
- Environmental Protection Agency$221,965Aug 20, 2025Procurement Instrument Identifier (PIID)68HERC23F0271Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715General Science And Technology R&D Services; General Science And Technology; Basic ResearchAJ11Contract awardUSAspending ↗
THE PURPOSE OF THIS TO IS TO SOURCE TRACK PLASTICS TO UNDERSTAND THE MAJOR CONVEYANCES AND COMPOSITIONS OF PLASTICS ENTERING THE WATERSHED. THESE SPECIFIC MEASURES WILL SUPPORT FULLY DEVELOPED ECOLOGICAL RISK ASSESSMENTS AND BETTER TARGET POTENTIAL M
- Environmental Protection Agency$338,470Aug 18, 2025Procurement Instrument Identifier (PIID)68HERC20F0242Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
THE PURPOSE OF THIS TO IS TO PROVIDE SUPPORT TO EPA FOR ACTIVITIES RELATED TO EPA FRESHWATER FISH CONTAMINATION STUDIES.
- Environmental Protection Agency$69,556Aug 18, 2025Procurement Instrument Identifier (PIID)68HERC22F0415Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
CONTRACT-68HERC20D0016, TO 68HERC22F0415 PROJECT-SUPPORT FOR FURTHER DEVELOPMENT OF THE NATIONAL WATER CHEMISTRY DATABASE AND DEVELOPMENT OF GIS MAP APPLICATIONS.
- Environmental Protection Agency$108,541Aug 12, 2025Procurement Instrument Identifier (PIID)68HERC23F0263Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
THE PURPOSE OF THIS TASK ORDER IS TO OBTAIN SERVICES TO SUPPORT A 3-DAY CWA TRIBAL FORUM ON CWA PROGRAMS AND ISSUES FOR TRIBES, TARGETED TOWARD THE IMPLEMENTATION OF CWA PROGRAMS IN INDIAN COUNTRY.
- Environmental Protection Agency$307,438Aug 12, 2025Procurement Instrument Identifier (PIID)68HERC24F0115Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
CONTRACT 68HERC20D0016 - TASK ORDER TECHNICAL SUPPORT FOR MODELING EDUCATION.
- Environmental Protection Agency$43,962Aug 7, 2025Procurement Instrument Identifier (PIID)68HERC24F0281Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715General Science And Technology R&D Services; General Science And Technology; Basic ResearchAJ11Contract awardUSAspending ↗
NEW TASK ORDER ON CONTRACT 68HERC22D0026 FOR FRESHWATER EXPLORER DATA LAYERS. IN PARTICULAR, PFAS DATA LAYERS WILL BE CURATED, COMBINED, AND MADE ACCESSIBLE THROUGH THE FRESHWATER EXPLORER INCLUDING EXAMPLES TO ILLUSTRATE POTENTIAL APPLICATIONS. SEE
- Environmental Protection Agency$143,588Jul 29, 2025Procurement Instrument Identifier (PIID)68HERC23F0449Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
SUPPORT FOR FURTHER DEVELOPMENT OF THE METALS AQUATIC LIFE CRITERIA AND CHEMISTRY MAP (METALICC-MAP)
- Environmental Protection Agency$186,011Jul 24, 2025Procurement Instrument Identifier (PIID)68HERC25F0030Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
TASK ORDER AWARD - AUTOMATED DATA ANALYSIS AND ASSESSMENT METHODOLOGY TOOL FOR MT / WY AND REGION 8 TRIBES.
- Environmental Protection Agency$155,000Jul 24, 2025Procurement Instrument Identifier (PIID)68HERC25F0053Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715General Science And Technology R&D Services; General Science And Technology; Basic ResearchAJ11Contract awardUSAspending ↗
NEW TASK ORDER UNDER CONTRACT 68HERC22D0026 TO BE PERFORMED ACCORDING TO THE ATTACHED PERFORMANCE WORK STATEMENT (PWS) TITLED, "PFAS SPATIAL AND RISK ANALYSES"
- Environmental Protection Agency$20.08MJul 24, 2025Procurement Instrument Identifier (PIID)EPC14016Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
IGF::CL::IGF TECHNICAL SUPPORT FOR ASSESSING, MANAGING, AND COMMUNICATING THE ECOLOGICAL AND HUMAN HEALTH RISKS OF CONTAMINANTS IN WATER, FISH AND SEDIMENTS OF MICROBIAL PATHOGENS IN SURFACE WATERS
- Environmental Protection Agency$1.03MJul 23, 2025Procurement Instrument Identifier (PIID)68HERC21F0348Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
SUPPORT FOR FISH STUDY DATA ANALYSIS AND REPORTING, DEVELOPMENT AND DELIVERY OF PRESENTATIONS, AND GENERAL TECHNICAL TASKS
- Environmental Protection Agency$300,625Jul 23, 2025Procurement Instrument Identifier (PIID)68HERC22F0239Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
CONTRACT 68HHERC20D0016, TASK ORDER 68HERC22F0239 PROJECT: SUPPORT FOR NATIONAL LAKES ASSESSMENT FISH SAMPLE COLLECTION. THE PURPOSE OF THIS TASK ORDER IS TO PROVIDE SUPPORT FOR THE FOLLOWING 2022 NATIONAL LAKES ASSESSMENT (NLA) FISH TISSUE STUDY AC
- Environmental Protection Agency$1.20MJul 22, 2025Procurement Instrument Identifier (PIID)68HERC21F0292Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
NEW TASK ORDER UNDER CONTRACT-68HERC20D0016, CONTRACTOR TETRA TECH, PROJECT-FEDERAL WQS AND RULEMAKING SUPPORT. THE CONTRACTOR SHALL SUPPORT EPA RULEMAKINGS PERTAINING TO WATER QUALITY STANDARDS UNDER THE CLEAN WATER ACT. THE CONTRACTOR SHALL SUPPOR
- Environmental Protection Agency$808,851Jul 21, 2025Procurement Instrument Identifier (PIID)68HERC20F0410Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
PROVIDE SUPPORT FOR PREPARING FILLET TISSUE SAMPLES FROM WHOLE FISH SAMPLES COLLECTED FOR HUMAN HEALTH FISH TISSUE STUDIES CONDUCTED BY OFFICE OF SCIENCE AND TECHNOLOGY.
- Environmental Protection Agency$1.67MJul 21, 2025Procurement Instrument Identifier (PIID)68HERC21F0184Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
TECHNICAL SUPPORT FOR EPA RULEMAKINGS, DETERMINATIONS AND OTHER WATER QUALITY STANDARDS-RELATED DECISIONS AND ACTIONS
- Environmental Protection Agency$666,754Jul 21, 2025Procurement Instrument Identifier (PIID)68HERC21F0186Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
MAINTENANCE OF WQSITS DATA
- Environmental Protection Agency$293,000Jul 15, 2025Procurement Instrument Identifier (PIID)68HERC21F0187Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
WATER PERMITS DIVISION (WPD) NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) WATER QUALITY (WQ) TECHNICAL SUPPORT
- Environmental Protection Agency$164,502Jul 15, 2025Procurement Instrument Identifier (PIID)68HERC21F0425Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
WATER PERMITS DIVISION (WPD) NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) WATER QUALITY (WQ) TECHNICAL SUPPORT
- Environmental Protection Agency$154,001Jul 9, 2025Procurement Instrument Identifier (PIID)68HERC22F0386Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
NEW TASK ORDER REQUEST FOR TETRA TECH CONTRACT#68HERC20D0016, TO#68HERC22F0386, TITLE OF PROJECT: WATER PERMITS DIVISION (WPD) NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) WATER QUALITY (WQ) TECHNICAL SUPPORT. THE WATER PERMITS DIVISI
- Environmental Protection Agency$278,155Jul 9, 2025Procurement Instrument Identifier (PIID)68HERC23F0546Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
THE CONTRACTOR WILL PROVIDE EXPERT TECHNICAL SUPPORT FOR NPDES WATER QUALITY WHOLE EFFLUENT TOXICITY PROGRAM.
- Environmental Protection Agency$600,872Jul 9, 2025Procurement Instrument Identifier (PIID)68HERC25F0230Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
B516 - SUPPORT FOR THE 2025 NATIONAL COASTAL CONDITION ASSESSMENT (NCCA) FILLET TISSUE STUDY SAMPLE PREPARATION.
- Environmental Protection Agency$109,732Jul 2, 2025Procurement Instrument Identifier (PIID)68HERC23F0422Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
PHASE III: ASSESSMENT METHODOLOGY AND DATA ANALYSIS WORK FOR WYOMING AND MONTANA
- Environmental Protection Agency$638,425Jun 25, 2025Procurement Instrument Identifier (PIID)68HERC25F0183Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
B516 - TECHNICAL SUPPORT FOR DEVELOPMENT OF HUMAN HEALTH WATER QUALITY CRITERIA
- Environmental Protection Agency$123,812Jun 18, 2025Procurement Instrument Identifier (PIID)68HERC25F0078Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715General Science And Technology R&D Services; General Science And Technology; Basic ResearchAJ11Contract awardUSAspending ↗
NEW TASK ORDER - EXPANDING THE USE AND FUNCTIONALITY OF A CAUSAL ASSESSMENT SCREENING TOOL (CASTOOL)
- Environmental Protection Agency—Jun 17, 2025Procurement Instrument Identifier (PIID)68HERC22D0026Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715Support- Professional: OtherR499Indefinite Delivery Vehicle (IDV)USAspending ↗
TECHNICAL SUPPORT FOR EPA ORDS ECOLOGICAL AND GLOBAL CHANGE ASSESSMENT RESEARCH
- Environmental Protection Agency$531,046May 29, 2025Procurement Instrument Identifier (PIID)0002Administrative Management and General Management Consulting Services541611Support- Professional: OtherR499Contract awardUSAspending ↗
IGF::CL::IGF TECHNICAL ASSISTANCE TO EPA REGION III FOR TOXICS TMDL DEVELOPMENT IN THE ANACOSTIA RIVER
- Environmental Protection Agency$98,805May 23, 2025Procurement Instrument Identifier (PIID)68HERC22F0093Administrative Management and General Management Consulting Services541611Support- Professional: OtherR499Contract awardUSAspending ↗
ALASKA DREDGED MATERIAL EVALUATION FRAMEWORK (AKDMEF)
- Environmental Protection Agency$267,686May 19, 2025Procurement Instrument Identifier (PIID)68HERC25F0203Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
B516 - FEDERAL WATER QUALITY STANDARDS AND RULEMAKING SUPPORT.
- Environmental Protection Agency$1.07MMay 13, 2025Procurement Instrument Identifier (PIID)68HERC24F0315Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
CONTRACT 68HERC20D0016, TO 68HERC24F0315- 2025 NCCA PLANNING, SAMPLE COLLECTION, REPORTING RESULTS OF COMPLETED STUDIES
- Environmental Protection Agency$235,852May 13, 2025Procurement Instrument Identifier (PIID)68HERC24F0390Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
CONTRACT 68HERC20D0016, TASK ORDER 68HERC24F0390 FOR MAINTENANCE OF WATER QUALITY STANDARDS INFORMATION AND TRACKING SYSTEM (WQSITS) DATA IN ACCORDANCE WITH ATTACHED PWS.
- Environmental Protection Agency$208,724May 13, 2025Procurement Instrument Identifier (PIID)68HERC24F0396Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
CONTRACT 68HERC20D0016, TASK ORDER 68HERC24F0396 - TECHNICAL SUPPORT FOR EPA RULEMAKINGS, DETERMINATIONS AND OTHER WATER QUALITY STANDARDS (WQS) RELATED DECISIONS AND ACTIONS.
- Environmental Protection Agency$544,573May 12, 2025Procurement Instrument Identifier (PIID)68HERC24F0461Environmental Consulting Services541620Special Studies/Analysis- Animal/FisheriesB516Contract awardUSAspending ↗
CONTRACT 68HERC20D0016, TASK ORDER 68HERC24F0461 - FEDERAL WATER QUALITY STANDARDS (WQS) AND RULEMAKING SUPPORT.
- Environmental Protection Agency$2.40MMay 7, 2025Procurement Instrument Identifier (PIID)0001Administrative Management and General Management Consulting Services541611Support- Professional: OtherR499Contract awardUSAspending ↗
IGF::CL::IGF GENERAL TMDL SUPPORT FOR ALASKA, IDAHO, OREGON AND WASHINGTON WATERS
- Environmental Protection Agency$486,888May 6, 2025Procurement Instrument Identifier (PIID)68HERC19F0004Administrative Management and General Management Consulting Services541611Support- Professional: OtherR499Contract awardUSAspending ↗
TECHNICAL SUPPORT FOR TMDL - PHASE II OF THE APPLICATION OF TECHNICAL APPROACH FOR ESTABLISHING NITROGEN ENDPOINTS AND ALLOWABLE LOADS FOR THREE LIS WATERSHED GROUPINGS IN ACCORDANCE WITH ATTACHED PWS
- Environmental Protection Agency$131,788May 5, 2025Procurement Instrument Identifier (PIID)68HERC25F0224Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715Natural Resources And Environment R&D Services; Water Resources; Applied ResearchAH12Contract awardUSAspending ↗
AH12 - TASK ORDER - NCCA: EXTERNAL BENTHIC QA
- Environmental Protection Agency$440,216May 1, 2025Procurement Instrument Identifier (PIID)68HERC23F0225Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715General Science And Technology R&D Services; General Science And Technology; Basic ResearchAJ11Contract awardUSAspending ↗
THE WORK DESCRIBED IN THIS TASK ORDER (TO) SUPPORTS THE ENVIRONMENTAL PROTECTION AGENCY (EPA) OFFICE OF RESEARCH AND DEVELOPMENT, CENTER FOR PUBLIC HEALTH & ENVIRONMENTAL ASSESSMENT, HEALTH AND ENVIRONMENTAL EFFECTS ASSESSMENT DIVISION (HEEAD).
- Environmental Protection Agency$196,042Apr 23, 2025Procurement Instrument Identifier (PIID)68HERC25F0211Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715Natural Resources And Environment R&D Services; Water Resources; Applied ResearchAH12Contract awardUSAspending ↗
AH12 - TECHNICAL SUPPORT FOR DISTRICT OF COLUMBIA BACTERIA TMDL MODELING AND DEVELOPMENT
For research only. This is not legal advice, a past-performance review, or a recommendation to team or bid. Check USAspending and SAM.gov.