TETRA TECH, INC.
Federal contract awards won by TETRA TECH, INC. (UEI J8CNBANBZ6U8), 2018–2025 — public record from USAspending.
Showing awards of $250K+ active within the last 5 years. Need older history or smaller awards? Tell us what you need — we expand by request.
44
awards
$239,811,261
total value
2
agencies
Agencies buying from TETRA TECH, INC.
What TETRA TECH, INC. sells
Awards
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 · $539,685 · Aug 6, 2025
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 · $359,073 · Jul 1, 2025
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 · $685,955 · Jun 2, 2025
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 · $385,687 · Jul 23, 2024
THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE TO USEPA FOR TECHNICAL ASSISTANCE TO THE CONTAMINATED STRUCTURES PROGRAM UNDER THE RAES 2 CONTRACT.
Environmental Protection Agency · $764,181 · Jun 26, 2024
THE CONTRACTOR SHALL PROVIDE TECHNICAL SUPPORT TO USEPA, REGION 6, IN FULFILLMENT OF ITS RESPONSIBILITIES FOR OVERSIGHT & ENFORCEMENT OF A GROUNDWATER RI/FS BEING PERFORMED BY PRPS AT THE SAN MATEO CREEK BASIN LEGACY URANIUM SITES UNDER THE RAES
Environmental Protection Agency · $947,887 · May 13, 2024
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 · $2,008,650 · Nov 22, 2023
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 · $4,454,760 · Sep 29, 2023
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 · $1,388,116 · Sep 18, 2023
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 · $355,622 · Sep 13, 2023
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 · $1,447,893 · Sep 12, 2023
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
Environmental Protection Agency · $1,396,776 · Aug 16, 2023
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 · $582,364 · Aug 15, 2023
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 · $266,078 · Aug 11, 2023
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 · $265,624 · Aug 10, 2023
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 · $789,474 · Aug 9, 2023
ALAMEDA SISWC
Department of Defense · $1,768,525 · Aug 2, 2023
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 · $4,871,054 · Jul 20, 2023
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 · $261,883 · Jul 17, 2023
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 · $320,220 · Jul 12, 2023
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 · $348,121 · Jun 7, 2023
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 · $787,071 · Jun 5, 2023
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.
Environmental Protection Agency · $3,401,762 · Jun 1, 2023
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 · $65,000,000 · Apr 7, 2023
THE PURPOSE OF THE NAVAJO AREA URANIUM MINES RESPONSE ASSESSMENT AND EVALUATION SERVICES (RAES) CONTRACT IS TO PROVIDE NATIONALLY CONSISTENT SERVICES TO THE U.S. ENVIRONMENTAL PROTECTION AGENCY (EPA)IN REGIONS 6 & 9.
Environmental Protection Agency · $65,000,000 · Oct 11, 2022
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