The U.S. Coast Guard Base Ketchikan requires a contractor to provide annual inspection, testing, and certification for its potable water system backflow preventers. The work will be performed at 1300 Stedman Street, Ketchikan, AK 99901. The contract includes a base period from July 1, 2026, through September 30, 2026, with four one-year option periods. This procurement is a total small business set-aside under NAICS code 238220. No budget amount is specified in the description.