Environmental remediation services with emphasis on PFAS
Active Indefinite Delivery Contract Awarded Last action
- Contract number
- W9123824D0001
- Awardee
-
Tehama Technical Services, LLC UEI KC4ACZE5GEX5 Part of Tepa, LLC
- Awarding agency
-
ENDIST Sacramento
US Army Corps of Engineers, Department of Defense
- Task orders
- 6 $51,254,521 obligated
Award facts
- Opportunity
-
- W9123823R0059 Solicitation number
- Combined order value
-
- $51,254,521 Current, with exercised options
- $58,998,420 Potential, with all options
- Last date to order 58% complete
- IDV ceiling 35% used
- $147,900,000.00
- Maximum order
- $49,900,000.00
- Award type
- Single award
- Who can order
- Only the awarding agency
- Contracting staff
- NAICS code
- 562910 Remediation Services
- Set-aside
- 8(a) Sole Source
- Competition
- Not Available for Competition · 1 offer Only One Source
- Pricing
- Firm Fixed Price
- Legislative mandates
-
- Service Contract Act FAR subpart 22.10
- Davis-Bacon Act FAR subpart 22.4
Award details come from SAM.gov/FPDS.
About this IDV
The U.S. Army Corps of Engineers Engineering District Sacramento awarded an 8(a) sole-source Indefinite Delivery Contract to Tehama Technical Services, LLC on November 30, 2023, with a ceiling of $147.9 million and ultimate completion date of November 29, 2028.
Tehama Technical Services is a tribally-owned Alaska Native Corporation and SBA-certified 8(a) Program participant. The IDV procures environmental remediation services with emphasis on per- and polyfluoroalkyl substances (PFAS) contamination at military installations and federal sites across the western United States. A modification issued after award increased capacity by $98 million while maintaining original scope.
Place of performance includes military installations and federal sites across the western United States.
Six delivery orders have been issued under this IDV since award, generating approximately $59 million in combined potential value. Recent task orders include environmental remediation at seven sites at Hawthorne Army Depot, Nevada (awarded September 30, 2025, $7.32 million, firm fixed-price through September 29, 2030); lysimeter well repair in Sacramento, California (awarded September 19, 2025, $180,537.86, firm fixed-price); remedial action scoping support at the Carson River Mercury Superfund Site in Carson City, Nevada (awarded September 5, 2024, $2.18 million, firm fixed-price through September 4, 2029); Sacramento Army Depot CAMU repair in Sacramento, California (awarded July 31, 2024, $423,476.49, firm fixed-price through July 30, 2029); and Sacramento Army Depot task order exercising option year 2 (awarded December 18, 2023, $1.32 million, firm fixed-price through December 17, 2028). The U.S. Environmental Protection Agency Region 9 issued a substantial delivery order valued at $47.6 million on March 11, 2026, for environmental remediation services at the Lava Cap Mine in Grass Valley, California, firm fixed-price through March 10, 2028.
Primary PSC coding reflects Environmental Systems Protection work. The contract is a single-award vehicle.
Task orders
Transactions
| Action | Obligated | Date |
|---|---|---|
| Supplemental Agreement for work within scope | $0 | |
| Original award | $0 |
Quick answers
Who was awarded contract W9123824D0001?
W9123824D0001 was awarded to Tehama Technical Services, LLC by ENDIST Sacramento (US Army Corps of Engineers) on November 30, 2023.
How much is contract W9123824D0001 worth?
Orders under W9123824D0001 have obligated $51,254,521. Their combined potential value, with all options, is $58,998,420. W9123824D0001's own ceiling is $147,900,000. A single order can be worth up to $49,900,000.
How many orders have been placed under contract W9123824D0001?
6 orders have been placed under W9123824D0001, the latest on March 11, 2026.
Who can order from contract W9123824D0001?
W9123824D0001 is a single award indefinite delivery contract. Only the awarding agency can place orders on it.
Was contract W9123824D0001 competed?
The extent of competition for W9123824D0001 was not available for competition. The government received 1 offer. It was set aside: 8(a) Sole Source.
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