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 aqua ammonia for the Washington Aqueduct Division in Washington, D.C. The procurement aims to secure a reliable source of 19% aqua ammonia, which is essential for the treatment of potable water supplied to 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 certification. Interested vendors must submit a capabilities statement detailing their qualifications and ability to meet the requirements outlined in the draft statement of work, including safety and delivery protocols, by 11:00 AM EST on February 13, 2025. For further inquiries, vendors can contact Monique Euter at monique.l.jones@usace.army.mil or Vincent Gier at vincent.j.gier@usace.army.mil.