YELL 326108/311537 - Mammoth Wastewater Treatment

SOL #: 140P2026R0037SolicitationSole Source

Overview

Buyer

Interior
National Park Service
DSC CONTRACTING SERVICES DIVISION
Denver, CO, 80225, United States

Place of Performance

Place of performance not available

NAICS

Water and Sewer Line and Related Structures Construction (237110)

PSC

Construction Of Sewage And Waste Facilities (Y1ND)

Set Aside

8(a) Sole Source (FAR 19.8) (8AN)

Timeline

1
Posted
May 14, 2026
2
Submission Deadline
Feb 12, 2026, 9:00 PM

Qualification Details

Fit reasons
  • NAICS alignment with historical contract wins in similar service areas.
  • Scope strongly matches core technical capabilities and delivery model.
Risks
  • Past performance thresholds may require one additional teaming partner.
  • Potential clarification needed on staffing minimums before bid/no-bid.
Next steps

Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.

Quick Summary

The NATIONAL PARK SERVICE, under the Department of the Interior, has issued a Solicitation for the construction of the Mammoth Wastewater Treatment Plant Headworks at Yellowstone National Park. This acquisition is designated as an 8(a) Sole Source (FAR 19.8) and is being conducted via the Indian Small Business Economic Enterprise (ISBEE) program. Proposals are due by February 12, 2026.

Scope of Work

This opportunity involves the construction of the Mammoth Wastewater Treatment Plant Headworks. The product/service code is Y1ND, indicating construction of sewage and waste facilities.

Contract & Timeline

  • Contract Type: Solicitation
  • Magnitude of Construction: Between $1,000,000 and $5,000,000.00
  • Period of Performance: April 1, 2026, to March 30, 2027 (365 calendar days)
  • Response Date: February 12, 2026, at 1400 local time
  • Published Date: May 14, 2026
  • Bonds: Performance Bond and Payment Bond are required.

Submission & Evaluation

  • Offers must be submitted by the stated due date. Proposals and questions should follow the instructions in Section "L" of the solicitation.
  • All Federal, State, and Local taxes must be included in the proposal, as this project is not tax-exempt.
  • Offers providing less than 90 calendar days for Government acceptance will be rejected.

Eligibility / Set-Aside

This is an 8(a) Sole Source (FAR 19.8) acquisition, specifically conducted through the Indian Small Business Economic Enterprise (ISBEE) program.

Additional Notes

  • Funds are not presently available, but there is a high expectation of availability. The Government reserves the right to cancel this solicitation.
  • A pre-proposal site visit is mentioned in Section "L" of the solicitation.
  • The delivery location is NPS, DSC-Design & Construction, 12795 W. ALAMEDA PKWY, LAKEWOOD CO 80228 US.
  • The primary contact for this opportunity is Vicki Freese-supler (vicki_freese-supler@ios.doi.gov, 720-402-8467).

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Solicitation
Posted: May 14, 2026
YELL 326108/311537 - Mammoth Wastewater Treatment | GovScope