S--Vault Toilet and Septic Tank Pumping at Yosemite

SOL #: 140P8526Q0014Award Notice

Overview

Buyer

Interior
National Park Service
PWR SF/SEA MABO(85000)
SAN FRANCISCO, CA, 94104, United States

Place of Performance

El Portal

NAICS

Septic Tank and Related Services (562991)

PSC

Trash/Garbage Collection Services Including Portable Sanitation Services (S205)

Set Aside

Total Small Business Set-Aside (FAR 19.5) (SBA)

Timeline

1
Posted
Feb 20, 2026
2
Last Updated
May 7, 2026

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 (NPS) sought proposals for Vault Toilet and Septic Tank Pumping Services at Yosemite National Park, California. This was a Total Small Business Set-Aside for an Indefinite Delivery Indefinite Quantity (IDIQ) contract with firm-fixed-price task orders. The solicitation closed on March 25, 2026.

Scope of Work

The contract required pumping vault toilets and septic tanks located along Tioga Road, from Crane Flat to Lee Vining, within Yosemite National Park. This encompassed 21 locations with a total of 55 vault toilets and septic tanks. The anticipated service period was approximately 18 weeks annually, typically from June through October, subject to seasonal conditions. Key responsibilities included removing trash from vaults, using suction hoses no larger than 2.5 inches, and disposing of collected sewage at the Yosemite Creek Lift Station (YCLS) during specified hours. Contractors were required to provide pumping logs correlating with metered gallons disposed at YCLS.

Contract Details

This was an Indefinite Delivery Indefinite Quantity (IDIQ) contract with firm-fixed-price task orders. The period of performance included a one-year base period (June 1, 2026, to May 31, 2027) and four one-year option periods, not to exceed five years in total. The maximum contract value was $1,200,000.00, with a minimum guarantee of $150,000.00 for the first task order. The opportunity was a 100% Total Small Business Set-Aside under NAICS Code 562991 (Trash/Garbage Collection Services) with a $9.0 million size standard. The Product/Service Code was S205.

Key Amendments & Clarifications

Amendment 0002 corrected the Service Schedule for Parson's Lodge and extended the solicitation closing date. Amendment 0001 provided answers to bidder questions, clarifying that there was no incumbent, contractors were responsible for hauling fresh water (as the government would not provide it), and the only approved disposal site was the Yosemite Creek Lift Station (YCLS). A U.S. Department of Labor Wage Determination (No. 2015-5661, Rev. 29) for Mariposa County, California, was applicable, outlining minimum wage rates and fringe benefits.

Submission & Evaluation

Offers were due by 1:00 p.m. Pacific time on March 25, 2026, and had to be submitted via email to lisa_henson@nps.gov. Award was to be made based on best value to the government, considering Price, Technical Capability, and Past Performance. Offerors were required to acknowledge all amendments and be registered in the System for Award Management (SAM).

Place of Performance & Logistics

Services were to be performed within Yosemite National Park, El Portal, CA 95318. Attachments provided crucial logistical information, including location maps, detailed service schedules for 54 vault locations and one septic tank, and estimated travel times within and around Yosemite Valley.

Contact Information

The primary point of contact was Lisa Henson (Lisa_Henson@ios.doi.gov, 928-612-0074).

People

Points of Contact

Files

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Versions

Version 4Viewing
Award Notice
Posted: May 7, 2026
Version 3
Combined Synopsis/Solicitation
Posted: Mar 23, 2026
View
Version 2
Combined Synopsis/Solicitation
Posted: Mar 9, 2026
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Version 1
Combined Synopsis/Solicitation
Posted: Feb 20, 2026
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S--Vault Toilet and Septic Tank Pumping at Yosemite | GovScope