This opportunity involves providing septic tank, lift station, and vault toilet pumping and maintenance services for Saguaro National Park’s two districts in Tucson, Arizona. The contract supports nearly one million annual visitors and park facilities, with a base period from June 15, 2026, to June 14, 2027, plus four optional years. It is a 100% Total Small Business Set-Aside. Site visits are scheduled for May 19 and May 20, 2026, at the respective district visitor centers. No specific budget amount is mentioned.