01 / Contract Profile
W912BV22F0158 Federal Contract Award
Agency code 2100
PHASE I REMEDIAL INVESTIGATION OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT JBSA LACKLAND - MODIFICATION NO. P00004 IS NEEDED TO ADD FUNDS UNDER CLIN 0002 CONSULTING SERVICES.
02 / Contract Size and Status
What is the recorded size and timing of this contract?
03 / Spending Trend
W912BV22F0158 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$0
FY 2026Net obligationsComplete recorded range
| Fiscal year | Net obligations | Actions | Change |
|---|---|---|---|
| FY 2022 | $6.23M | 1 | — |
| FY 2023 | -$2.10M | 1 | −133.6% |
| FY 2025 | $0 | 1 | +100.0% |
| FY 2026 | $0 | 2 | — |
04 / Federal Buyer
Which organization manages this contract?
| Department | Contracting agency | Contracting office |
|---|---|---|
| DEPT OF DEFENSE | DEPT OF THE ARMY | W076 ENDIST TULSA |
05 / Contractor
Who holds this federal contract?
HALFF ASSOCIATES, INC.
UEI PM6KMNBLWEY6 · CAGE 0PPK6
06 / NAICS Industries
Which industries classify this contract?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| 541330 | ENGINEERING SERVICES | $4.14M | 5 | 100.0% |
07 / Products and Services
What products or services were purchased?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| C1JZ | ARCHITECT AND ENGINEERING- CONSTRUCTION: MISCELLANEOUS BUILDINGS | $4.14M | 5 | 100.0% |
08 / Place of Performance
Where is the work recorded?
LACKLAND AFB, BEXAR, TEXAS, UNITED STATES
ZIP 782365272
09 / Contract Actions
What modifications and obligations were recorded?
| Signed date | Modification | Obligation | Contracting office | NAICS | PSC |
|---|---|---|---|---|---|
| May 15, 2026 | P00004 | $79.1K | W076 ENDIST TULSAOffice code W912BV | 541330 | C1JZ |
| May 15, 2026 | P00003 | -$79.1K | W076 ENDIST TULSAOffice code W912BV | 541330 | C1JZ |
| Sep 9, 2025 | P00002 | $0 | W076 ENDIST TULSAOffice code W912BV | 541330 | C1JZ |
| Nov 27, 2023 | P00001 | -$2.10M | W076 ENDIST TULSAOffice code W912BV | 541330 | C1JZ |
| Sep 24, 2022 | Base action | $6.23M | W076 ENDIST TULSAOffice code W912BV | 541330 | C1JZ |
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.