Federal contractor · public award history
TETRA TECH, INC.
DBA TETRA TECH EM INC
Parent: TETRA TECH, INC. Unique Entity Identifier (UEI)LMRMKLLL3LG5
- Awards we know about
- 30
- Typical size
- $539,685
- Middle of their public awards
- Dollars on those awards
- $60.87M
Most of their awards we can see fall roughly between $266,078 and $1.20M.
SAM.gov registration
- Status
- Active
- Purpose of registration
- All awards (Z2)
- Registration expires
- Oct 28, 2026
- Activation date
- Oct 30, 2025
- 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.
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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 (29)
- Department of Transportation (1)
Industries & product codes
Award history
- Environmental Protection Agency$439,775Sep 29, 2025Procurement Instrument Identifier (PIID)68HE0923F0048Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL SUPPORT AGENCY OVERSITE OF REMOVAL SITE EVALUATIONS (RSES), INTERIM REMOVAL ACTIONS, WATER STUDIES, ENGINEERING EVALUATIONS AND COST ANALYSIS (EE/CAS), AND REMOVAL ACTIONS AT THE ABANDONED URANIUM MINES (AUMS) AND MINE AREAS NAME
- Environmental Protection Agency$266,078Sep 19, 2025Procurement Instrument Identifier (PIID)68HE0923F0068Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) WESTERN NUCLEAR. AS THEY PERFORM ENGINEERING EVALUATIONS/COST ANALYSES (EE/CAS) AND REMOVAL ACTIONS (RAS) IN THE MARIANO LAKE AREA OF THE EASTE
- Environmental Protection Agency$3.62MSep 17, 2025Procurement Instrument Identifier (PIID)68HE0923F0073Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
CONTRACTOR SHALL PROVIDE TECHNICAL DESIGN SERVICES FOR PLANNING & CONDUCTING CLEANUP VERIFICATION OF, TCRA, PILOT STUDIES, OR REQUIREMENTS AT TRONOX COVE TRANSFER STATION COMPLETE (CTS), ACCESS ROADS IN NN UNDER THE RAES 2 CONTRACT #68HE0923D0002
- Environmental Protection Agency$457,618Sep 16, 2025Procurement Instrument Identifier (PIID)68HE0923F0042Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
CONTRACTOR WILL ASSIST EPA IN COMMUNITY INVOLVEMENT OUTREACH SUPPORT INCLUDING CALLS, REMOTE MEETINGS AND FACE TO FACE ASSEMBLIES; WORK WILL ALSO INVOLVE RESEARCH FOR EPA.
- Environmental Protection Agency$205,630Sep 16, 2025Procurement Instrument Identifier (PIID)68HE0923F0061Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OPERATING UNMANNED AERIAL VEHICLES & SYSTEMS ON NAVAJO NATION IN ACCORDANCE WITH THE PROVISIONS OF THE EPA POLICY ON UAV/UAS UNDER THE RAES2 CONTRACT #68HE0923D0002 FOR EPA FOR REGIONS 6 &
- Environmental Protection Agency$359,073Sep 11, 2025Procurement Instrument Identifier (PIID)68HE0925F0054Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
TO 29 IS TO TO PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) BNSF RAILWAY COMPANY (BNSF) AS THEY PERFORM A BACKGROUND STUDY, DATA GAPS ANALYSIS AND ENGINEERING EVALUATIONS/COST ANALYSES (EE/CA).
- Environmental Protection Agency$8.39MSep 5, 2025Procurement Instrument Identifier (PIID)68HE0923F0071Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR PROVIDE TECHNICAL SUPPORT AND ASSISTANCE FOR THE USEPA NAVAJO ABANDONED URANIUM MINES (NAUM) PROGRAM AS IT DEVELOPS PROGRAM STANDARDS, TRAININGS AND WORKSHOPS, AND OTHER TECHNICAL SUPPORT WORK NEEDED FOR SITE INVESTIGATION.
- Environmental Protection Agency$74,833Sep 3, 2025Procurement Instrument Identifier (PIID)68HE0924F0001Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL SUPPORT DEVELOPMENT OF THE FEDERAL ACTIONS TO ADDRESS IMPACTS OF URANIUM CONTAMINATION IN THE NAVAJO NATION 2020-2029 (TEN-YEAR PLAN) UNDER THE RAES 2 CONTRACT #68HE0923D0002.
- Environmental Protection Agency$789,474Aug 6, 2025Procurement Instrument Identifier (PIID)68HE0923F0066Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) EL PASO NATURAL GAS (EPNG) UNDER RAES 2 CONTRACT 68HE0923D0002.
- Environmental Protection Agency$539,685Aug 6, 2025Procurement Instrument Identifier (PIID)68HE0925F0051Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE PURPOSE OF THIS TASK ORDER IS TO PROVIDE TECHNICAL SUPPORT TO EPA REGION 6 IN FULFILLMENT OF ITS RESPONSIBILITIES FOR OVERSIGHT AND ENFORCEMENT OF ARCO'S ONGOING RI/FS UNDER THE ASAOC AND TO ASSIST EPA IN COORDINATION AND COMMUNICATION WITH
- Environmental Protection Agency$261,883Aug 5, 2025Procurement Instrument Identifier (PIID)68HE0923F0062Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) CHEVRON U.S.A. INC. AS THEY FINALIZE AN ENGINEERING EVALUATIONS/COST ANALYSES (EE/CA) FOR THE MARIANO LAKE MINE IN THE EASTERN AGENCY OF THE NA
- Environmental Protection Agency$3.39MAug 5, 2025Procurement Instrument Identifier (PIID)68HE0924F0004Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE SUPPORT FOR REMOVAL SITE EVALUATIONS (RSE) AT THE SKYLINE AUM WHICH ENCOMPASSES SKYLINE MINE AND UTAH NO. 1 LEASE IN OLJATO-MONUMENT VALLEY, UTAH UNDER THE NN-AUM RESPONSE ASSESSMENT AND EVALUATION SERVICES (RAES) II CONT
- Environmental Protection Agency$265,624Aug 4, 2025Procurement Instrument Identifier (PIID)68HE0923F0067Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) HOMESTAKE MINING COMPANY (HOMESTAKE) AS THEY PERFORM AN ENGINEERING EVALUATIONS/COST ANALYSIS (EE/CA) FOR THE MAC & BLACK JACK MINES IN THE
- Environmental Protection Agency$1.07MJul 11, 2025Procurement Instrument Identifier (PIID)68HE0923F0049Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PERFORM TASKS REQUIRED TO PROVIDE TECHNICAL ASSISTANCE TO USEPA FOR DATA AND RECORDS MANAGEMENT RELATED TO THE NAVAJO AUM PROGRAM. THIS IS TASK ORDER 6 FOR THE RAES 2 CONTRACT, #68HE09D0002 FOR USEPA REGIONS 6 & 9.
- Environmental Protection Agency$1.20MJul 1, 2025Procurement Instrument Identifier (PIID)68HE0923F0045Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE SUPPORT NEEDED FOR TIME-CRITICAL REMOVAL ACTION (TCRA) PLANNING AND OVERSIGHT SUPPORT ASSOCIATED WITH THE OLD CHURCH ROCK MINE SITE, AS WELL AS PLANNING AND SCOPING FOR A NON-TIME CRITICAL REMOVAL ACTION (NTCRA) ENGINEERI
- Environmental Protection Agency$161,316Jun 25, 2025Procurement Instrument Identifier (PIID)68HE0923F0077Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE SUPPORT FOR NON TIME-CRITICAL REMOVAL ACTION PLANNING & OVERSIGHT SUPT ASSOCIATED W/ENPRO HOLDINGS ON NAVAJO NATION UNDER THE RESPONSE ASSESSMENT & EVALUATION SERVICES (RAES) II CONTRACT #68HE0923D0002.
- Environmental Protection Agency$287,658Jun 25, 2025Procurement Instrument Identifier (PIID)68HE0923F0078Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE SUPPORT NEEDED FOR NTCRA PLANNING AND OVERSIGHT SUPPORT ASSOCIATED WITH ABANDONED URANIUM MINE (AUM) ON BABBITT RANCHES UNDER RAES 2 CONTRACT #68HE0923D0002.
- Environmental Protection Agency$582,364Jun 24, 2025Procurement Instrument Identifier (PIID)68HE0923F0069Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE TASKS TO SUPPORT AGENCY OVERSIGHT OF REMOVAL SITE EVALUATIONS (RSES), INTERIM REMOVAL ACTIONS, ENGINEERING EVALUATION AND COST ANALYSIS (EE/CA), AND ANY OTHER ACTIVITY AT THE ABANDONED URANIUM MINES (
- Environmental Protection Agency—Jun 6, 2025Procurement Instrument Identifier (PIID)68HE0923D0002Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Indefinite Delivery Vehicle (IDV)USAspending ↗
THE PURPOSE OF THIS IDIQ CONTRACT IS TO PROVIDE TECHNICAL ASSESSMENT SERVICES FOR THE ABANDONED URANIUM MINES ON AND AROUND THE NAVAJO NATION FOR REGIONS 6 & 9.
- Environmental Protection Agency$764,181Jun 5, 2025Procurement Instrument Identifier (PIID)68HE0924F0055Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE TO USEPA FOR TECHNICAL ASSISTANCE TO THE CONTAMINATED STRUCTURES PROGRAM UNDER THE RAES 2 CONTRACT.
- Environmental Protection Agency$10.66MJun 2, 2025Procurement Instrument Identifier (PIID)68HE0923F0074Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE THE SUPPORT NEEDED FOR TECHNICAL DESIGN SERVICES,& PLANNING AND CONDUCTING CLEANUP VERIFICATION OF TCRAS, PILOT STUDIES, OR OTHER INTERIM ACTIONS AT TRONOX AUMS UNDER THE RAES II CONTRACT #68HE0923D0002 FOR EPA FOR RE
- Environmental Protection Agency$685,955Jun 2, 2025Procurement Instrument Identifier (PIID)68HE0925F0048Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE PURPOSE OF THIS TASK ORDER IS ESTABLISH A TASK ORDER 27 TO PROVIDE TECHNICAL SUPPORT TO REGION 6 FOR OVERSIGHT OF AN ONGOING PRP RI/FS AND GOVERNMENT RI/FS AT THE HOMESTAKE MINING COMPANY UNDER THE RAES 2 CONTRACT.
- Environmental Protection Agency$6.10MMay 22, 2025Procurement Instrument Identifier (PIID)68HE0923F0072Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL SUPPORT REQUIREMENTS FOR DEVELOPING A CONCEPTUAL SITE MODEL (CSM), A REMEDIAL INVESTIGATION (RI), A RISK ASSESSMENT (RA), AND A FEASIBILITY STUDY (FS), COLLECTIVELY REFERRED TO AS AN RI/FS, AT THE LUKACHUKAI MOUNTAINS MINING DIST
- Department of Transportation$169,064Apr 28, 2025Procurement Instrument Identifier (PIID)697DCK25C00133Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715Environ Sys Protect- Development Of Environ Impact Stmts/Assessments, Tech Analysis/Environ AuditsF110Contract awardUSAspending ↗
ENVIRONMENTAL ASSESSMENT REPLACEMENT OF THE AIR ROUTE SURVEILLANCE RADAR (ARSR) ON MT. KA`ALA, OAHU, HAWAII
- Environmental Protection Agency$96,818Apr 23, 2025Procurement Instrument Identifier (PIID)68HE0925F0047Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PERFORM OVERSITE AND TECHNICAL REVIEW FOR REMOVAL SITE EVALUATIONS (RSE) AND RISK ASSESSMENT DOCUMENTS FOR WELLS CARGO ABANDONED URANIUM MINES (AUMS) UNDER THE RAES 2 CONTRACT 68HE0923D0002.
- Environmental Protection Agency$14.28MApr 2, 2025Procurement Instrument Identifier (PIID)68HE0923F0051Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PERFORM REQUIRED TO CONDUCT THE ENGINEERING EVALUATION/COST ANALYSIS (EE/CA) AND RELATED TASKS AT THE FOLLOWING TRONOX ABANDONED URANIUM MINES LOCATED IN NAVAJO NATION'S NORTHERN AGENCY. THIS IS A TASK ORDER UNDER RAES 2 CON
- Environmental Protection Agency$529,309Mar 13, 2025Procurement Instrument Identifier (PIID)68HE0923F0070Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE EVALUATIONS FOR THE REMAINING KNOWN 278 UNFUNDED AUMS AND MINE AREAS ON THE NAVAJO NATION UNDER THE NN-AUM RESPONSE ASSESSMENT AND EVALUATION SERVICES (RAES) II CONTRACT FOR EPA FOR REGIONS 6 & 9.
- Environmental Protection Agency$385,687Feb 19, 2025Procurement Instrument Identifier (PIID)68HE0924F0051Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THE CONTRACTOR SHALL PROVIDE SUPPORT REQUIRED FOR AGENCY OVERSIGHT OF THE UNITED NUCLEAR CORPORATION/GENERAL ELECTRIC (UNC/GE) WORK AT THE NORTHEAST CHURCH ROCK (NECR) MINE SITE UNDER RAES 2 CONTRACT.
- Environmental Protection Agency$787,071Nov 19, 2024Procurement Instrument Identifier (PIID)68HE0923F0044Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
CONTRACTOR WILL PERFORM ENGINEERING EVALUATION/COST ANALYSIS (EE/CA) AND RELATED TASKS AT THE SECTION 32/33 MINES FOR THE NAVAJO NATION AUM RESPONSE ASSESSMENT AND EVALUATION SERVICES (RAES) II CONTRACT FOR EPA FOR REGIONS 6 & 9.
- Environmental Protection Agency$4.67MNov 18, 2024Procurement Instrument Identifier (PIID)68HE0923F0041Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
CONTRACTOR WILL PERFORM ENGINEERING EVALUATION/COST ANALYSIS (EE/CA) AND RELATED TASKS AT THE QUIVIRA MINE FOR THE RESPONSE ASSESSMENT AND EVALUATION SERVICES (RAES) II CONTRACT FOR EPA FOR REGIONS 6 & 9.
For research only. This is not legal advice, a past-performance review, or a recommendation to team or bid. Check USAspending and SAM.gov.