68HE0923F0078↗
Tetra Tech, Inc. received this contract from Region 9 Contracting Office, Environmental Protection Agency: $287.7K obligated so far for special studies/analysis- environmental assessments. It runs to 2028-04-09.
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
- $287.7K
- Potential value
- $287.7K
- Ends
- 2028-04-09
Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 26, 2026.
Cite this page: SpendQuery, Award 68HE0923F0078, data as of Oct 26, 2026, https://spendquery.com/award?id=CONT_AWD_68HE0923F0078_6800_68HE0923D0002_6800
Tetra Tech, Inc.: all federal awards · Environmental Protection Agency: spending · Region 9 Contracting Office: what it buys · The follow-on: recompete brief
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.
Up for re-bid: ends 2028-04-09. 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
- Coconino, AZ · district AZ-02
Obligations by fiscal year
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
7 actions since 2023-09-18. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2026-06-26 | P00006 | Supplemental agreement (work within scope) | $0 | THE PURPOSE OF THIS NO-COST BILATERAL MODIFICATION P00006 IS TO EXTEND THE PERIOD OF PERFORMANCE. THE CONTRACTOR SHALL PROVIDE SUPPORT NEEDED FOR NTCRA PLANNING AND OVERSIGHT ON BABBITT RANCHES UNDER RAES 2 CONTRACT #68HE0923D0002. |
| 2025-06-25 | P00005 | Supplemental agreement (work within scope) | $0 | THE PURPOSE OF THIS NO-COST BILATERAL MODIFICATION P00005 IS TO EXTEND THE PERIOD OF PERFORMANCE. THE CONTRACTOR SHALL PROVIDE SUPPORT NEEDED FOR NTCRA PLANNING AND OVERSIGHT ON BABBITT RANCHES UNDER RAES 2 CONTRACT #68HE0923D0002. |
| 2024-09-25 | P00004 | Supplemental agreement (work within scope) | $80.4K | THE PURPOSE OF BILATERAL MODIFICATION P00004 IS TO ADD LOE AND FUNDING. THE CONTRACTOR SHALL PROVIDE SUPPORT NEEDED FOR NTCRA PLANNING AND OVERSIGHT ON BABBITT RANCHES UNDER RAES 2 CONTRACT #68HE0923D0002. |
| 2024-08-21 | P00003 | Supplemental agreement (work within scope) | $0 | THE PURPOSE OF UNILATERAL MOD P00003 IS TO EXTEND THE POP. THE CONTRACTOR SHALL PROVIDE SUPPORT NEEDED FOR NTCRA PLANNING AND OVERSIGHT ON BABBITT RANCHES UNDER RAES 2 CONTRACT #68HE0923D0002. |
| 2024-07-12 | P00002 | Supplemental agreement (work within scope) | $42.4K | THE PURPOSE OF THIS BILATERAL MOD IS TO INCORPORATE CHANGES INTO THE SOW AND ADD FUNDING. THE CONTRACTOR SHALL PROVIDE SUPPORT NEEDED FOR NTCRA PLANNING AND OVERSIGHT ON BABBITT RANCHES UNDER RAES 2 CONTRACT #68HE0923D0002. |
| 2024-01-30 | P00001 | Change order | $0 | THE PURPOSE OF THIS BILATERAL MOD IS TO INCORPORATE CHANGES INTO THE SOW. THE CONTRACTOR SHALL PROVIDE SUPPORT NEEDED FOR NTCRA PLANNING AND OVERSIGHT ON BABBITT RANCHES UNDER RAES 2 CONTRACT #68HE0923D0002. |
| 2023-09-18 | 0 | $164.8K | 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. |
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 ↗