HQ - water quality, sonde, TDG, hydrotech
Active Indefinite Delivery Contract Awarded Last action
- Contract number
- W912EF25DA001
- Awardee
-
Sihalla Zakaria UEI FALFSDF7P4J2
- Awarding agency
-
ENDIST Walla Walla
US Army Corps of Engineers, Department of Defense
- Task orders
- 2 $219,804 obligated
Award facts
- Combined order value
- $219,804 Current and potential, with all options
- Last date to order 22% complete
- IDV ceiling 29% used
- $750,000.00
- Maximum order
- $250,000.00
- Award type
- Single award
- Who can order
- Only the awarding agency
- Funding agency
- Department of the Army Department of Defense
- NAICS code
- 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
- Set-aside
- No set-aside
- Competition
- Not Competed under SAP · 1 offer Simplified Acquisition
- Pricing
- Order Dependent (IDV only)
Award details come from SAM.gov/FPDS.
About this IDV
The Department of the Army awarded a single-award indefinite-delivery contract to Sihalla Zakaria, doing business as Hydrotech ZS Consulting, on September 22, 2025, with a ceiling of $750,000 and an ultimate completion date of September 22, 2030. Hydrotech ZS Consulting is a minority-owned, Hispanic American-owned sole proprietorship.
Work is performed in Walla Walla, Washington. The IDIQ addresses headquarters sonde and total dissolved gas monitoring equipment requirements for water resource monitoring in the Pacific Northwest region.
The contract covers supply, maintenance, and repair of hydrologic instrumentation and water quality monitoring equipment, including multiparameter sondes, total dissolved gas monitoring sondes, depth sensors, and related water quality accessories supporting federal surface and groundwater data collection programs.
The period of performance runs five years from the award date through September 22, 2030, with no base period or option structure stated in the source.
Two delivery orders have been issued under this IDIQ. The initial delivery order, valued at $151,873.50 and awarded September 24, 2025, supports headquarters sonde requirements with completion by October 23, 2026. A second delivery order, valued at $67,930 and awarded April 24, 2026, covers total dissolved gas sondes, depth sensors, and accompanying equipment with completion by July 24, 2026. Both orders are firm fixed price and performed in Walla Walla, Washington. Combined obligations to date total $219,803.50 against the $750,000 ceiling.
Task orders
| Task order | Ordering agency | Obligated | Awarded |
|---|---|---|---|
| Total dissolved gas sondes, depth sensors and accompanying equipment | ENDIST Walla Walla (USACE) | $67,930 | |
| HQ - sonde requirements contract - do #1 | ENDIST Walla Walla (USACE) | $151,874 |
Transactions
| Action | Obligated | Date |
|---|---|---|
| Supplemental Agreement for work within scope | $0 | |
| Original award | $0 |
Quick answers
Who was awarded contract W912EF25DA001?
W912EF25DA001 was awarded to Sihalla Zakaria by ENDIST Walla Walla (US Army Corps of Engineers) on September 22, 2025.
How much is contract W912EF25DA001 worth?
Orders under W912EF25DA001 have obligated $219,804. W912EF25DA001's own ceiling is $750,000. A single order can be worth up to $250,000.
How many orders have been placed under contract W912EF25DA001?
2 orders have been placed under W912EF25DA001, the latest on April 24, 2026.
Which agency awarded contract W912EF25DA001?
ENDIST Walla Walla (US Army Corps of Engineers) awarded W912EF25DA001, with funding from Department of the Army (Department of Defense).
Who can order from contract W912EF25DA001?
W912EF25DA001 is a single award indefinite delivery contract. Only the awarding agency can place orders on it.
Was contract W912EF25DA001 competed?
The extent of competition for W912EF25DA001 was not competed under sap. The government received 1 offer.
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