68HE0923F0069↗

Tetra Tech, Inc. received this contract from Region 9 Contracting Office, Environmental Protection Agency: $582.4K obligated so far for special studies/analysis- environmental assessments. It runs to 2027-08-14.

Key facts · data as of Oct 28, 2026

Recipient
Tetra Tech, Inc.
Awarding agency
Environmental Protection Agency
Contracting office
Region 9 Contracting Office (68HE09)
Obligated to date
$582.4K
Potential value
$582.4K
Ends
2027-08-14

Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 28, 2026.

Cite this page: SpendQuery, Award 68HE0923F0069, data as of Oct 28, 2026, https://spendquery.com/award?id=CONT_AWD_68HE0923F0069_6800_68HE0923D0002_6800

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 (

Delivery Order · Environmental Protection Agency · to Tetra Tech, Inc. (UEI J8CNBANBZ6U8) · data as of 2026-10-28

Obligated to date$582.4K6 actions
Current value$582.4Kwith options exercised
Period2023-08-15 → 2027-08-14current end date

Up for re-bid: ends 2027-08-14. Recompete brief →

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

FY2023$582.4K
FY2024$0
FY2025$0
FY2026$0

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

Subcontractors: where the money went next

No subawards reported for this award. Primes report subawards of $30,000 or more; many awards have none.

Every action

6 actions since 2023-08-15. Each is a modification or amendment with the money it added or took back.

DateModificationKindAmountWhat the agency wrote
2026-08-07P00005Supplemental agreement (work within scope)$0THE PURPOSE OF THIS NO-COST BILATERAL MODIFICATION IS TO EXTEND THE PERIOD OF PERFORMANCE FOR THIS TO UNDER THE RAES 2 CONTRACT # 68HE0923D0002.
2025-06-24P00004Administrative change$0THE PURPOSE OF THIS UNILATERAL MODIFICATION IS TO ADD AN ATOCOR FOR THIS TO UNDER THE RAES 2 CONTRACT # 68HE0923D0002.
2025-06-03P00003Administrative change$0THE PURPOSE OF THIS UNILATERAL MODIFICATION IS TO REMOVE AN ATOCOR FOR THIS TO UNDER THE RAES 2 CONTRACT # 68HE0923D0002.
2025-01-31P00002Administrative change$0THE PURPOSE OF THIS UNILATERAL MODIFICATION IS TO ADD ATOCOR FOR THIS TO FOR THE REMOVAL SITE EVALUATIONS (RSES) AT THE ABANDONED URANIUM MINES (AUMS) AND MINE AREAS NAMED IN THE CYPRUS AMAX MINERALS COMPANY UNDER THE RAES 2 CONTRACT # 68HE0923D0002.
2024-05-31P00001Administrative change$0THE PURPOSE OF THIS UNILATERAL MODIFICATION IS TO ADD A PTOCOR AND ATOCOR FOR THIS TO FOR THE REMOVAL SITE EVALUATIONS (RSES) AT THE ABANDONED URANIUM MINES (AUMS) AND MINE AREAS NAMED IN THE CYPRUS AMAX MINERALS COMPANY UNDER THE RAES 2 CONTRACT # 6
2023-08-150$582.4KTHE 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 (

Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-28). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗