YELL 326108/311537 - Mammoth Wastewater Treatment
Closed Solicitation Posted
This opportunity was awarded. See the award notice from .
- Solicitation number
- 140P2026R0037
- Agency
-
National Office
National Park Service, Department of the Interior
- Responses due
- Set-aside
- 8(a) Sole Source
Opportunity facts
- NAICS code
- 237110 Water and Sewer Line and Related Structures Construction
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The Department of the Interior National Park Service seeks construction of a Supplemental Headworks Building for the Mammoth Wastewater Treatment Plant at Yellowstone National Park, with proposals due February 12, 2026. This is an 8(a) sole-source procurement conducted under the Indian Small Business Economic Enterprise (ISBEE) program set-aside, restricting competition to certified firms.
Place of performance is Yellowstone National Park, with delivery to NPS Design & Construction at 12795 W. Alameda Parkway, Lakewood, Colorado. The scope is construction of sewage and waste facilities (PSC Y1ND). The period of performance runs from April 1, 2026, to March 30, 2027, with the contractor required to begin performance within 10 calendar days of receiving notice to proceed and complete work within 365 calendar days. The estimated contract value falls between $1 million and $5 million. Offerors must provide performance and payment bonds within 7 calendar days of award. The Government requires a 90-calendar-day acceptance period following the offer deadline. All Federal, State, and Local taxes must be included in proposals. Funds are not presently available but are expected to become available; the Government reserves the right to cancel the solicitation at any time with no obligation to reimburse offerors for costs. The NAICS code is 237110, Water and Sewer Line and Related Structures Construction. Contracting Officer Vicki Freese-supler administers the acquisition from the DOI NPS Denver Service Center.
Notice text
YELL 326108/311537 - Mammoth Wastewater Treatment Plant Headworks, Yellowstone National Park
Files
| File | Type | Posted |
|---|---|---|
| Sol_140P2026R0037.pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| Yell 326108 - phase 3 headworks construc | Award Notice | |
| This notice | Solicitation |
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