Pre-Solicitation Notice for the Purchase of Sodium Hypochlorite

The U.S. Army Corps of Engineers Baltimore District is planning a re-procurement for a single-award, indefinite-delivery indefinite-quantity contract to supply sodium hypochlorite (12.5% Trade Strength) to the Washington Aqueduct Division. This chemical is essential for the water treatment operations at the Dalecarlia and McMillan Water Treatment Plants, which provide potable water to approximately one million residents in the District of Columbia and Northern Virginia. The required sodium hypochlorite must conform to ANSI/AWWA Standard B300 and meet NSF/ANSI Standard 60 certifications. Estimated annual quantities include up to 1,100 tons for the Dalecarlia facility and 900 tons for the McMillan facility, with a total contract capacity not to exceed 10,000 tons over a five-year performance period.

This pre-solicitation notice, identified by solicitation number W912DR26RA028, is classified under NAICS code 325180 for Other Basic Inorganic Chemical Manufacturing and PSC 6810 for Chemicals. The acquisition is designated as an SBA Small Business Administration set-aside. The government is currently exploring the use of a reverse auction as the procurement method for this requirement. Vincent Gier serves as the point of contact for this notice.

The official Request for Proposal is anticipated for release in the Procurement Integrated Enterprise Environment on or around February 23, 2026, which also serves as the current response deadline. The notice was published and last updated on February 9, 2026. While no attachments are currently provided, a draft statement of work is associated with the requirement's planning phases.