The National Park Service requires a contractor to replace existing water meters at Fort Cronkhite, Fort Baker, and Fort Barry in Marin County, California, with lead-free ultrasonic meters and two-way mobile reading endpoints. The base bid covers 84 meters at Fort Baker and Fort Barry, and 36 meters at Fort Cronkhite, including some Crissy box replacements. The contractor must provide all labor, equipment, and supplies, and obtain all necessary permits. This is a total small business set-aside under NAICS 238220, with a firm-fixed-price contract to be awarded based on best value. The solicitation will be available electronically on/about June 24, 2026, with proposals due 30 days after issuance.