USALCO LLC, Baltimore, Maryland, was awarded a $18,946,760 firm-fixed-price contract to furnish all of the Washington Aqueduct’s aluminum sulfate and polyaluminum chloride polyaluminum hydroxchlorosulfate in accordance with documented specifications. Bids were solicited via the internet with one received. Work locations and funding will be determined with each order, with an estimated completion date of Sept. 30, 2026. U.S Army Corps of Engineers, Baltimore, Maryland, is the contracting activity (W912DR-21-D-0018).