01 / Contract Profile
140P5425C0014 Federal Contract Award
Agency code 1443
THE PURPOSE OF THIS MODIFICATION TO THE CONTRACT IS TO ADD FUNDING FROM FWS IN THE AMOUNT OF $40,000 FOR ADDITIONAL WATER QUALITY ANALYSIS. ALL OTHER TERMS AND CONDITIONS REMAIN THE SAME.
02 / Contract Size and Status
What is the recorded size and timing of this contract?
03 / Spending Trend
140P5425C0014 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$40.0K
FY 2026Net obligationsComplete recorded range
| Fiscal year | Net obligations | Actions | Change |
|---|---|---|---|
| FY 2025 | $145.0K | 1 | — |
| FY 2026 | $40.0K | 1 | −72.4% |
04 / Federal Buyer
Which organization manages this contract?
| Department | Contracting agency | Contracting office |
|---|---|---|
| INTERIOR, DEPARTMENT OF THE | NATIONAL PARK SERVICE | SER SOUTH MABO (54000) |
05 / Contractor
Who holds this federal contract?
WILLIAM W WALKER JR
UEI NW83UBCW3CJ5 · CAGE 1YFU8
06 / NAICS Industries
Which industries classify this contract?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| 541620 | ENVIRONMENTAL CONSULTING SERVICES | $185.0K | 2 | 100.0% |
07 / Products and Services
What products or services were purchased?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| B533 | SPECIAL STUDIES/ANALYSIS- WATER QUALITY | $185.0K | 2 | 100.0% |
08 / Place of Performance
Where is the work recorded?
HOMESTEAD, MIAMI-DADE, FLORIDA, UNITED STATES
ZIP 330349593
09 / Contract Actions
What modifications and obligations were recorded?
| Signed date | Modification | Obligation | Contracting office | NAICS | PSC |
|---|---|---|---|---|---|
| May 4, 2026 | P00001 | $40.0K | SER SOUTH MABO (54000)Office code 140P54 | 541620 | B533 |
| Sep 5, 2025 | Base action | $145.0K | SER SOUTH MABO (54000)Office code 140P54 | 541620 | B533 |
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.