ContractSolicitation

Y--YOSE 215363 - Replace Tuolumne Meadows WWTP

INTERIOR, DEPARTMENT OF THE 140P2026R0001
Response Deadline
Jan 17, 2026
Deadline passed
Days Remaining
0
Closed
Set-Aside
Full & Open
Notice Type
Solicitation

Contract Opportunity Analysis

The National Park Service (NPS) is soliciting proposals for the replacement of the Tuolumne Meadows Wastewater Treatment Plant (WWTP) at Yosemite National Park, identified as project YOSE 215363. This project aims to construct a new facility adjacent to the existing 50-year-old plant, which currently serves a 500-site campground and other park facilities, handling up to 60,000 gallons of wastewater per day. The contract encompasses a comprehensive scope of work, including demolition of the old facility, construction of new structures, and installation of advanced systems for wastewater treatment, with a performance period extending from June 3, 2025, to June 30, 2033. Interested contractors must submit their proposals by January 16, 2026, and can direct inquiries to Mark Barber at mark_barber@nps.gov or by phone at 721-621-7310.

Classification Codes

NAICS Code
237990
Other Heavy and Civil Engineering Construction
PSC Code
Y1ND
CONSTRUCTION OF SEWAGE AND WASTE FACILITIES

Solicitation Documents

41 Files

Related Contract Opportunities

Project Timeline

postedOriginal Solicitation PostedOct 1, 2025
amendedAmendment #1Nov 5, 2025
amendedAmendment #2Nov 6, 2025
amendedAmendment #3Dec 5, 2025
amendedAmendment #4Dec 22, 2025
amendedLatest AmendmentJan 8, 2026
deadlineResponse DeadlineJan 17, 2026
expiryArchive DateJan 31, 2026

Agency Information

Department
INTERIOR, DEPARTMENT OF THE
Sub-Tier
NATIONAL PARK SERVICE
Office
DSC CONTRACTING SERVICES DIVISION

Point of Contact

Name
Barber, Mark

Official Sources