The U.S. Army Corps of Engineers Baltimore District is considering a re-procurement of an indefinite-delivery indefinite-quantity contract for Cationic Polymer at the Washington Aqueduct. The contract would have a five-year ordering period. An Industry Day will be held on December 10, 2025, at the Dalecarlia Water Treatment Facility in Washington, DC. The product must meet ANSI/AWWA Standard B451 and be NSF/ANSI Standard 60 certified. This procurement is set aside for small businesses under NAICS code 325180, which has a size standard of 1,000 employees.