68HE0923F0067↗

Tetra Tech, Inc. received this contract from Region 9 Contracting Office, Environmental Protection Agency: $100.0K obligated so far for special studies/analysis- environmental assessments. It runs to 2027-08-09.

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
$100.0K
Potential value
$265.6K
Ends
2027-08-09

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

Cite this page: SpendQuery, Award 68HE0923F0067, data as of Oct 26, 2026, https://spendquery.com/award?id=CONT_AWD_68HE0923F0067_6800_68HE0923D0002_6800

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

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

Obligated to date$100.0K4 actions
Current value$265.6Kwith options exercised
Period2023-08-10 → 2027-08-09current end date

Up for re-bid: ends 2027-08-09. 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
Mckinley, NM · district NM-03

Obligations by fiscal year

FY2023$50.0K
FY2025$50.0K
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

4 actions since 2023-08-10. Each is a modification or amendment with the money it added or took back.

DateModificationKindAmountWhat the agency wrote
2025-12-08P00003Administrative change$0THE PURPOSE OF THIS NO-COST UNILATERAL MODIFICATION P00003 IS TO CORRECT CLIN 0001 PERIOD OF PERFORMANCE (POP) DATES.
2025-08-04P00002Supplemental agreement (work within scope)$0THE PURPOSE OF THIS NO-COST BILATERAL MODIFICATION IS TO EXTEND THE PERIOD OF PERFORMANCE (POP).
2025-01-27P00001Funding only$50.0KTHE PURPOSE OF THIS UNILATERAL MOD IS TO ADD INCREMENTAL FUNDING. THE CONTRACTOR SHALL PROVIDE TECH ASSIST, FOR OVERSIGHT OF PRP AS THEY PERFORM AN EE/CA FOR THE MAC & BLACKJACK MINES FOR CONTRACT 68HE0923D0002, THE (RAES)II FOR EPA FOR RGNS 6 AN
2023-08-100$50.0KTHE 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

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 ↗