DETO: SEPTIC SERVICES | Base + 4 Years

The Department of the Interior National Park Service Intermountain Region is seeking a contractor to provide septic tank pumping and disposal services at Devils Tower National Monument in Wyoming. The contractor must furnish all labor, equipment, materials, tools, and transportation necessary to pump, remove, transport, and dispose of liquid, sludge, and solids from multiple septic systems throughout the park on an annual basis. Key requirements include annual pumping and inspection of seven septic tanks (ranging from 1,000 to 12,000 gallons) and fifteen annual pumpings of vault toilets, with all disposal occurring at a licensed wastewater facility. The award will be made to the lowest-priced offeror meeting technical specifications and prior experience requirements based on FAR Part 13 procedures, and offerors must demonstrate capability through a two-page project narrative and provide three examples of similar projects completed within the past five years. Quotations must be submitted by email to Kiara Stewart (kiara_stewart@nps.gov) by March 9, 2026, at 10:00 a.m. Mountain Daylight Time, with the contract performance period beginning May 1, 2026.

This solicitation is a 100% total small business set-aside under NAICS code 562991 (Septic Tank and Related Services) with a $9 million size standard. No current contractor or incumbent is identified in the available documents. The contract structure consists of a base year running from May 1, 2026 through April 30, 2027, plus four option years extending through April 30, 2031. Contractors must maintain liability insurance with minimum coverage of $100,000 per person, $500,000 per occurrence, and $100,000 property damage, and must comply with prevailing wage requirements under Service Contract Labor Standards (Wage Determination 2015-5411 for Crook County, Wyoming applies). Work must be performed Monday through Friday between 7:30 a.m. and 4:00 p.m., with all operations confined to Devils Tower National Monument in Wyoming, where all septic systems and vault toilets requiring service are located throughout the park.