68HE0924F0004↗

Tetra Tech, Inc. received this contract from Region 9 Contracting Office, Environmental Protection Agency: $3.39M obligated so far for special studies/analysis- environmental assessments. It runs to 2026-12-31.

Key facts · data as of Oct 26, 2026

Recipient
Tetra Tech, Inc.
Awarding agency
Environmental Protection Agency
Contracting office
Region 9 Contracting Office (68HE09)
Obligated to date
$3.39M
Potential value
$3.39M
Ends
2026-12-31

Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 26, 2026.

Cite this page: SpendQuery, Award 68HE0924F0004, data as of Oct 26, 2026, https://spendquery.com/award?id=CONT_AWD_68HE0924F0004_6800_68HE0923D0002_6800

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

Delivery Order · Environmental Protection Agency · to Tetra Tech, Inc. (UEI J8CNBANBZ6U8) · data as of 2026-10-26

Obligated to date$3.39M7 actions
Current value$3.39Mwith options exercised
Period2023-11-22 → 2026-12-31current end date
Passed on$587.6Kto 4 subcontractors

Up for re-bid: ends 2026-12-31. Recompete brief → · F--EPA WATER RFP ↗

What it is

Product or service
Special Studies/Analysis- Environmental Assessments (PSC B510)
Industry
Environmental Consulting Services (NAICS 541620)
Contracting office
Region 9 Contracting Office (68HE09)
Competition
Full and open competition
Pricing
Time and materials
How it was bought
Single-award IDIQ · under 68HE0923D0002
Where the work is
San Juan, UT · district UT-03

Obligations by fiscal year

FY2024$2.01M
FY2025$1.38M
FY2026$0

SpendQuery holds FY2023 on; earlier years are on USAspending.gov.

Subcontractors: where the money went next

6 subawards totaling $587.6K (17.4% of what was obligated), as Tetra Tech, Inc. reported them. Primes report subawards of $30,000 or more; smaller ones and unreported ones aren't here.

SubcontractorAmountSubawardsWhereFirstLast
Sundance Consultants, LLC$229.5K2ID2024-05-302025-07-10
Gel Laboratories LLC$177.1K1SC2025-04-212025-04-21
Environmental Data Services, Limited$101.8K1PA2025-04-172025-04-17
Validata Chemical Services, Inc.$79.2K2GA2023-11-302024-02-27
The largest single subawards
DateToAmountFor
2025-04-21Gel Laboratories LLC$177.1KLAB ANALYTICAL SERVICES. MOD 1 ISSUED TO INCREASE FUNDING TO COVER ADDITIONAL SAMPLES SENT FOR ANALYSES
2024-05-30Sundance Consultants, LLC$165.5KMONITORING AND CULTURAL RESOURCE SURVEY
2025-04-17Environmental Data Services, Limited$101.8KTHIRD PARTY DATA VALIDATION SERVICES
2025-07-10Sundance Consultants, LLC$63.9KCULTURAL RESOURCE SERVICES REPORTING, MOD TO INCREASE FUNDING TO COVER ADDITIONAL MONITORING DAYS
2023-11-30Validata Chemical Services, Inc.$43.5KDATA VALIDATION SERVICES
2024-02-27Validata Chemical Services, Inc.$35.7KDATA VALIDATION SERVICES

Every action

7 actions since 2023-11-22. Each is a modification or amendment with the money it added or took back.

DateModificationKindAmountWhat the agency wrote
2025-12-29P00006Supplemental agreement (work within scope)$0THE PURPOSE OF MODIFICATION P00006 IS TO EXTEND THE PERIOD OF PERFORMANCE (POP) AND ADD AN ADDITIONAL ALTERNATE TOCOR (ATOCOR) FOR THE RSE AT THE SKYLINE AUM UNDER THE RAES II CONTRACT FOR EPA FOR REGIONS 6 & 9.
2025-08-05P00005Supplemental agreement (work within scope)$1.38MTHE PURPOSE OF MODIFICATION P00005 IS TO ADD NEW TASKS AND ADD ADDITIONAL FUNDING FOR THE RSE AT THE SKYLINE AUM UNDER THE RAES II CONTRACT FOR EPA FOR REGIONS 6 & 9.
2024-09-11P00004Supplemental agreement (work within scope)$0THE PURPOSE OF MODIFICATION P00003 IS TO CORRECT TOCOR IN EAS FOR THE RSE AT THE SKYLINE AUM UNDER THE RAES II CONTRACT FOR EPA FOR REGIONS 6 & 9.
2024-08-22P00003Administrative change$0THE PURPOSE OF MODIFICATION P00003 IS TO CORRECT TOCOR IN EAS FOR THE RSE AT THE SKYLINE AUM UNDER THE RAES II CONTRACT FOR EPA FOR REGIONS 6 & 9.
2024-08-22P00002Option exercised$1.33MTHE PURPOSE OF MODIFICATION P00002 EXERCISE OPTION 0003, ADD FUNDING, AND CHANGE THE TOCOR FOR THE RSE AT THE SKYLINE AUM UNDER THE RAES II CONTRACT FOR EPA FOR REGIONS 6 & 9.
2024-04-09P00001Change order$320.0KTHE PURPOSE OF THIS MODIFICATION IS TO ADD SCOPE AND FUNDING FOR THE RSE AT THE SKYLINE AUM UNDER THE RAES II CONTRACT FOR EPA FOR REGIONS 6 & 9.
2023-11-220$358.9KTHE 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

Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-26). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗