Environmental consulting services for northwestern division.
Active Indefinite Delivery Contract Awarded Last action
- Contract number
- W912EF23D0017
- Awardee
-
Sealaska Remediation Solutions, LLC UEI KJFPJM86BPS4
- Awarding agency
-
ENDIST Walla Walla
US Army Corps of Engineers, Department of Defense
- Task orders
- 9 $1,188,778 obligated
Award facts
- Opportunity
-
- W912EF23R0006 Solicitation number
- Combined order value
- $1,188,778 Current and potential, with all options
- Last date to order 71% complete
- IDV ceiling 6% used
- $20,931,638.15
- Maximum order
- $500,000.00
- Award type
- Single award
- Contracting staff
- Funding agency
- Department of the Army Department of Defense
- NAICS code
- 541620 Environmental Consulting Services
- PSC
- R499 Support- Professional: Other
- 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 Department of the Army awarded an 8(a) sole-source indefinite-delivery contract to Sealaska Remediation Solutions, LLC on April 20, 2023, with a ceiling of $20,931,638.15 and ultimate completion date of April 19, 2028.
Sealaska Remediation Solutions, LLC is an Alaska Native Corporation-owned small business and SBA-certified 8(a) program participant. This is a single-award contract.
The contract provides environmental consulting services for the U.S. Army Corps of Engineers' Northwestern Division, supporting environmental assessments, technical writing, regulatory compliance, and hazardous waste management at military installations throughout the Northwestern region.
Performance occurs at multiple locations including Seattle, Washington and subordinate project sites within the Northwestern Division's geographic area.
Recent delivery orders issued under this contract include a $213,684.66 environmental impact statement report order to the Department of Defense (ENDIST Seattle) with completion on December 31, 2027; a $127,228.00 Chehalis EIS technical writing and editing order through December 31, 2027; a $487,721.35 environmental assessment for the Installation Development Plan at Fairchild Air Force Base, Washington, completed September 20, 2026; a $113,315.55 order for corrective response supplemental environmental impact statement scoping in Seattle, completed July 7, 2025; and a $54,574.67 environmental services order under the Idaho Stream Assessment Method at Walla Walla, Washington, completed February 2, 2026. Additional orders for environmental assessments at Joint Base Lewis-McChord include assessments at McChord Airfield, Gray Army Airfield, and the Wide Area Multilateration system, ranging from $14,489.80 to $15,888.90, all with completion dates in April 2025.
Task orders
Transactions
| Action | Obligated | Date |
|---|---|---|
| Exercise an Option | $0 | |
| Other Administrative Action | $0 | |
| Exercise an Option | $0 | |
| Exercise an Option | $0 | |
| Original award | $0 |
Subawards
| Subcontractor | Amount | Awarded |
|---|---|---|
| Tetra Tech, Inc. | $168,031 | |
| Tetra Tech, Inc. | $132,926 | |
| Ecodata Analytics LLC | $76,760 | |
| Swca, Incorporated | $27,468 |
Quick answers
Who was awarded contract W912EF23D0017?
W912EF23D0017 was awarded to Sealaska Remediation Solutions, LLC by ENDIST Walla Walla (US Army Corps of Engineers) on April 20, 2023.
How much is contract W912EF23D0017 worth?
Orders under W912EF23D0017 have obligated $1,188,778. W912EF23D0017's own ceiling is $20,931,638. A single order can be worth up to $500,000.
How many orders have been placed under contract W912EF23D0017?
9 orders have been placed under W912EF23D0017, the latest on March 25, 2026.
Which agency awarded contract W912EF23D0017?
ENDIST Walla Walla (US Army Corps of Engineers) awarded W912EF23D0017, with funding from Department of the Army (Department of Defense).
Who can order from contract W912EF23D0017?
W912EF23D0017 is a single award indefinite delivery contract.
Was contract W912EF23D0017 competed?
The extent of competition for W912EF23D0017 was not available for competition. The government received 1 offer. It was set aside: 8(a) Sole Source.
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