# SAM #140P2026R0107

Rehabilitation and Replacement of Old Faithful Wastewater Treatment Plant at Yellowstone

**Buyer:** NPS DSC Contracting Services Division
**Posted:** September 22, 2026
**Respond By:** October 02, 2026
**Identifier:** 140P2026R0107
**NAICS:** 237110, 237990

The National Park Service Denver Service Center is seeking market research responses for a major rehabilitation and replacement project at the Old Faithful Wastewater Treatment Plant in Yellowstone National Park.
- Government Buyer:
  - United States Department of the Interior
  - National Park Service
  - Denver Service Center Contracting Services
- Scope of Work:
  - Rehabilitation and replacement of the Old Faithful Wastewater Treatment Plant
  - Sewer system repairs, including CCTV inspection and repairs of sewer mains
  - Pipe replacement and manhole rehabilitation
  - Construction of new wastewater treatment plant buildings and facilities
  - Installation of piping, valves, instrumentation, process control systems, and standby generators
  - Underground storage tanks, lift station construction and demolition
  - Associated utilities and controls
- Estimated Contract Value:
  - $50 million to $100 million
- NAICS Code:
  - 237110 (Water and Sewer Line and Related Structures Construction)
  - $45 million size standard
- Unique Requirements:
  - Bonding required
  - Responses requested from both large and small businesses
  - Anticipated competitive Request for Proposals for a Firm-Fixed-Price contract
- No specific OEMs, vendors, product part numbers, or purchase quantities are mentioned
- Technical specifications and detailed requirements will be provided in future solicitation documents

### Description

YELL 318713 Rehabilitate/Replace Old Faithful Wastewater Treatment Plant

[View original listing](https://sam.gov/opp/c318b1e233344bd08fdc74bc062ca731/view)
