The Department of Defense, through the U.S. Army Corps of Engineers (USACE) Baltimore District, is seeking qualified vendors for an indefinite-delivery indefinite-quantity (IDIQ) contract to supply 19% Aqua Ammonia for the Washington Aqueduct Division in Washington, D.C. This procurement aims to support the water treatment and supply system that serves approximately one million residents in the District of Columbia and Northern Virginia, with strict compliance to ANSI/AWWA Standard B306 and NSF/ANSI Standard 60. Interested vendors must submit a capabilities statement detailing their qualifications and ability to meet the requirements outlined in the draft Statement of Work, with submissions due by 11:00 AM EST on February 11, 2025. For further inquiries, vendors may contact Monique Euter at monique.l.jones@usace.army.mil or Vincent Gier at vincent.j.gier@usace.army.mil.