$20M environmental consulting services
Active Indefinite Delivery Contract Awarded Last action
- Contract number
- W9128F22D0057
- Awardee
-
Tehama ECS LLC UEI D517NDLLS5Q8 Part of Tepa, LLC
- Awarding agency
-
ENDIST Omaha
US Army Corps of Engineers, Department of Defense
- Task orders
- 7 $7,266,988 obligated
Award facts
- Opportunity
-
- W9128F22R0059 Solicitation number
- Combined order value
-
- $7,266,988 Current, with exercised options
- $11,188,394 Potential, with all options
- Last date to order 85% complete
- IDV ceiling 36% used
- $20,000,000.00
- Maximum order
- $20,000,000.00
- Award type
- Single award
- Who can order
- Only the awarding agency
- Contracting staff
- NAICS code
- 541620 Environmental Consulting Services
- PSC
- F999 Other Environmental 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
Award details come from SAM.gov/FPDS.
About this IDV
The Defense agency ENDIST Omaha awarded a single-award, 8(a) sole-source indefinite-delivery contract to Tehama ECS LLC on August 3, 2022, with a $20 million ceiling for environmental consulting services, running through August 2, 2027. The prime is a tribally owned, 8(a)-certified small disadvantaged business, certified through September 25, 2029, and a subsidiary of Tepa, LLC. The minimum guarantee task order is recorded at $0.00 following de-obligation of the minimum guarantee. A recent modification adds clause RFO 52.222-90, addressing DEI discrimination by federal contractors, per DFARS CD 2026-O0040, Revision 1.
Orders cover environmental consulting, hazardous building materials surveys, National Environmental Policy Act environmental assessments, and PFAS data tracking and program management. Work is performed at Offutt Air Force Base, Nebraska; Ellsworth Air Force Base, South Dakota; Joint Base Andrews, Maryland; Neihart, Montana; and Kansas City, Missouri. All orders are firm fixed price.
Recent orders include an August 22, 2025 hazardous building materials survey at Offutt Air Force Base valued at $49,066.37 (completion November 22, 2025); an August 6, 2025 environmental assessment at Offutt valued at $483,875.18 (completion August 5, 2027); and a June 16, 2025 building materials survey at Ellsworth Air Force Base valued at $39,833.79 (8(a) sole source, completion September 30, 2025). Earlier orders include a September 29, 2023 PFAS data tracking, program management, and technical support order at Joint Base Andrews with an $8.89 million ceiling, completing September 28, 2028, with options of $1,134,758.20 and $734,950.34 exercised; a $314,433.43 environmental consulting order in Neihart, Montana, awarded November 27, 2023; and a $1,414,823.38 PFAS toxicology impact evaluation across 29 Air Force installations for the Air Force Civil Engineer Center, awarded September 28, 2022.
Task orders
Transactions
| Action | Obligated | Date |
|---|---|---|
| Supplemental Agreement for work within scope | $0 | |
| Exercise an Option | $0 | |
| Other Administrative Action | $0 | |
| Supplemental Agreement for work within scope | $0 | |
| Original award | $0 |
Quick answers
Who was awarded contract W9128F22D0057?
W9128F22D0057 was awarded to Tehama ECS LLC by ENDIST Omaha (US Army Corps of Engineers) on August 3, 2022.
How much is contract W9128F22D0057 worth?
Orders under W9128F22D0057 have obligated $7,266,988. Their combined potential value, with all options, is $11,188,394. W9128F22D0057's own ceiling is $20,000,000. A single order can be worth up to $20,000,000.
How many orders have been placed under contract W9128F22D0057?
7 orders have been placed under W9128F22D0057, the latest on August 22, 2025.
Who can order from contract W9128F22D0057?
W9128F22D0057 is a single award indefinite delivery contract. Only the awarding agency can place orders on it.
Was contract W9128F22D0057 competed?
The extent of competition for W9128F22D0057 was not available for competition. The government received 1 offer. It was set aside: 8(a) Sole Source.
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