01 / Contract Profile
W9128F23F0189 Federal Contract Award
Agency code 2100
PHASE I AND II REMEDIAL ACTION, PILOT-STUDY, AND SEMI-ANNUAL GROUNDWATER MONITORING FORMER ATLAS D MISSILE SITE 3
02 / Contract Size and Status
What is the recorded size and timing of this contract?
03 / Spending Trend
W9128F23F0189 contract spending by fiscal year
Annual net obligations across the complete period available for this agency and PIID, from the first recorded fiscal year through the latest contract action.
Latest fiscal year obligations$132.4K
FY 2026Net obligationsComplete recorded range
| Fiscal year | Net obligations | Actions | Change |
|---|---|---|---|
| FY 2023 | $4.86M | 1 | — |
| FY 2024 | $3.76M | 3 | −22.6% |
| FY 2026 | $132.4K | 1 | −96.5% |
04 / Federal Buyer
Which organization manages this contract?
| Department | Contracting agency | Contracting office |
|---|---|---|
| DEPT OF DEFENSE | DEPT OF THE ARMY | W071 ENDIST OMAHA |
05 / Contractor
Who holds this federal contract?
TETRA TECH, INC.
UEI TMT3CAKM2N97 · CAGE 3F9P2
06 / NAICS Industries
Which industries classify this contract?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| 562910 | REMEDIATION SERVICES | $8.75M | 5 | 100.0% |
07 / Products and Services
What products or services were purchased?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| F999 | OTHER ENVIRONMENTAL SERVICES | $8.75M | 5 | 100.0% |
08 / Place of Performance
Where is the work recorded?
FE WARREN AFB, LARAMIE, WYOMING, UNITED STATES
ZIP 820052005
09 / Contract Actions
What modifications and obligations were recorded?
| Signed date | Modification | Obligation | Contracting office | NAICS | PSC |
|---|---|---|---|---|---|
| Apr 30, 2026 | P00004 | $132.4K | W071 ENDIST OMAHAOffice code W9128F | 562910 | F999 |
| Dec 18, 2024 | P00003 | $130.9K | W071 ENDIST OMAHAOffice code W9128F | 562910 | F999 |
| Jul 30, 2024 | P00002 | $3.50M | W071 ENDIST OMAHAOffice code W9128F | 562910 | F999 |
| Jun 7, 2024 | P00001 | $129.4K | W071 ENDIST OMAHAOffice code W9128F | 562910 | F999 |
| Aug 31, 2023 | Base action | $4.86M | W071 ENDIST OMAHAOffice code W9128F | 562910 | F999 |
10 / Reading the Contract
How should this award record be interpreted?
Read the PIID as a transaction history, not as a single purchase price. Net obligations combine the base action with later increases, reductions, corrections, and deobligations recorded under the same contract.
Verify the buyer
Agency and office identify who manages the procurement relationship.
Follow modifications
Each action can change funding, scope, dates, or administrative terms.
Compare the market
Use NAICS, PSC, and the contractor profile to identify related buyers and competitors.