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Tetra Tech, Inc. government contracts

$53.9M obligated across 15 federal awards. 14 are still running.

UEI W4NLBJHRP7H3Latest award Sep 2, 2026

Who buys from Tetra Tech, Inc.

AgencyAwardsObligated
Environmental Protection Agency15$53.9M

What Tetra Tech, Inc. sells

Its awards by NAICS code. Codes with live notices link to them.

IndustryAwardsObligated
Environmental Consulting Services

NAICS 541620

15$53.9M

Contracts ending soon

Awards that end in the next 18 months, soonest first. Expiring work is often recompeted.

AwardObligatedStartEnd
SUPERFUND TECHNICAL ASSESSMENT&RESPONSE TEAM (START), REGION 4, PROGRAM AND ADMINISTRATIVE TASKS: CONTRACT TASKS, RESPONSE AND READINESS TASKS.

Environmental Protection Agency · 68HE0519F0053

$3MJul 15, 2019Oct 14, 2026
EMERGENCY RESPONSE ACTIVITIES

Environmental Protection Agency · 68HE0419F0082

$4.1MSep 25, 2019Oct 14, 2026
INITIATE SITE-SPECIFIC TASK ORDER (ASSESSMENT/INSPECTION ACTIVITIES) FOR WESTSIDE LEAD REMEDIAL INVESTIGATION/FEASIBILITY STUDY (RIFS) UNDER START V CONTRACT 68HE0519D0006.

Environmental Protection Agency · 68HE0421F0079

$4.1MSep 15, 2021Oct 14, 2026
REMOVAL SITE EVALUATION START V

Environmental Protection Agency · 68HE0419F0097

$4MSep 27, 2019Oct 14, 2026
INITIATE NEW TASK ORDER UNDER START 5 CONTRACT 68HE0619D0006 (TETRA TECH)FOR WORK ASSOCIATED WITH THE TARGETED BROWNFIELDS ASSESSMENT PROGRAM.

Environmental Protection Agency · 68HE0420F0022

$6.6MJan 23, 2020Oct 14, 2026
INITIATE NEW TIME-CRITICAL REMOVAL ACTIONS BULK FUNDED TASK ORDER UNDER START 5 CONTRACT #68HE0519D0006 (TETRA TECH) TO IMPLEMENT UTILIZING TOLINS. THIS IS SPECIFIC TO SECTION II.A RESPONSE ACTIVITIES AND APPENDIX A (A) SPECIFIC TASK LIST R

Environmental Protection Agency · 68HE0420F0049

$7.4MMay 18, 2020Oct 14, 2026
INITIATION OF NEW TASK ORDER FOR SOUTHSIDE CHATTANOOGA LEAD REMEDIAL ACTION

Environmental Protection Agency · 68HE0420F0040

$9.7MMar 9, 2020Oct 14, 2026
INITIATION OF NEW SITE SPECIFIC TASK ORDER (ASSESSMENT/INSPECTION ACTIVITIES) FOR ALARIC SITE UNDER START V CONTRACT 68HE0529D0006.

Environmental Protection Agency · 68HE0420F0048

$1.3MMay 5, 2020Oct 14, 2026
PREPAREDNESS AND PREVENTION(START V), REGION 4

Environmental Protection Agency · 68HE0419F0096

$2.7MSep 26, 2019Oct 14, 2026

Largest awards

By total obligated value. Each links to its record on USAspending.gov.

AwardObligatedStartEnd
INITIATION OF NEW TASK ORDER FOR SOUTHSIDE CHATTANOOGA LEAD REMEDIAL ACTION

Environmental Protection Agency · 68HE0420F0040

$9.7MMar 9, 2020Oct 14, 2026
INITIATE NEW TIME-CRITICAL REMOVAL ACTIONS BULK FUNDED TASK ORDER UNDER START 5 CONTRACT #68HE0519D0006 (TETRA TECH) TO IMPLEMENT UTILIZING TOLINS. THIS IS SPECIFIC TO SECTION II.A RESPONSE ACTIVITIES AND APPENDIX A (A) SPECIFIC TASK LIST R

Environmental Protection Agency · 68HE0420F0049

$7.4MMay 18, 2020Oct 14, 2026
INITIATE NEW TASK ORDER UNDER START 5 CONTRACT 68HE0619D0006 (TETRA TECH)FOR WORK ASSOCIATED WITH THE TARGETED BROWNFIELDS ASSESSMENT PROGRAM.

Environmental Protection Agency · 68HE0420F0022

$6.6MJan 23, 2020Oct 14, 2026
INITIATION OF A SITE-SPECIFIC TASK ORDER (ASSESSMENT/INSPECTION ACTIVITIES) FOR WOOLFOLK CHEMICAL CORPORATION UNDER START V CONTRACT 68HE0519D0006.

Environmental Protection Agency · 68HE0423F0043

$5.7MApr 18, 2023Jan 14, 2026
EMERGENCY RESPONSE ACTIVITIES

Environmental Protection Agency · 68HE0419F0082

$4.1MSep 25, 2019Oct 14, 2026
INITIATE SITE-SPECIFIC TASK ORDER (ASSESSMENT/INSPECTION ACTIVITIES) FOR WESTSIDE LEAD REMEDIAL INVESTIGATION/FEASIBILITY STUDY (RIFS) UNDER START V CONTRACT 68HE0519D0006.

Environmental Protection Agency · 68HE0421F0079

$4.1MSep 15, 2021Oct 14, 2026
REMOVAL SITE EVALUATION START V

Environmental Protection Agency · 68HE0419F0097

$4MSep 27, 2019Oct 14, 2026
SUPERFUND TECHNICAL ASSESSMENT&RESPONSE TEAM (START), REGION 4, PROGRAM AND ADMINISTRATIVE TASKS: CONTRACT TASKS, RESPONSE AND READINESS TASKS.

Environmental Protection Agency · 68HE0519F0053

$3MJul 15, 2019Oct 14, 2026
PREPAREDNESS AND PREVENTION(START V), REGION 4

Environmental Protection Agency · 68HE0419F0096

$2.7MSep 26, 2019Oct 14, 2026
R4 START VI WESTSIDE LEAD TASK ORDER

Environmental Protection Agency · 68HE0426F0093

$1.4MJul 31, 2026Jul 14, 2031
INITIATION OF NEW SITE SPECIFIC TASK ORDER (ASSESSMENT/INSPECTION ACTIVITIES) FOR ALARIC SITE UNDER START V CONTRACT 68HE0529D0006.

Environmental Protection Agency · 68HE0420F0048

$1.3MMay 5, 2020Oct 14, 2026
R4 START VI EMERGENCY RESPONSE CERCLA ACTIONS

Environmental Protection Agency · 68HE0426F0095

$1MAug 12, 2026Jul 14, 2031

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Companies winning under the same main NAICS code.

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Tetra Tech, Inc.

UEI E3QKBMJ7H9K7

22$144M

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Questions people ask

What is Tetra Tech, Inc.'s UEI?

W4NLBJHRP7H3. The Unique Entity ID is the 12-character number SAM.gov assigns to every company that registers to do business with the federal government. It replaced the DUNS number in 2022.

How much has Tetra Tech, Inc. won in federal contracts?

$53.9M obligated across 15 awards in Captivaq's records, most of it from Environmental Protection Agency. That covers contracts of $1M or more active since October 2023, so the full history is larger.

Which Tetra Tech, Inc. contracts end soon?

9 awards end in the next 18 months, listed on this page. Expiring contracts are often recompeted, which is the opening for a competitor or a teaming partner.

Figures come from federal award records published on USAspending.gov: contracts of $1M or more active since October 2023, plus smaller awards tied to open opportunities. They are not a complete contract history; each award above links to its official record.

Captivaq is an independent service from Logesta Labs LLC and is not affiliated with or endorsed by the U.S. government or SAM.gov. The notice on the official source portal is the record that governs; confirm deadlines and amendments there.