Supply of Aluminum Sulfate (Alum) for Lake Treatment

The contract involves the supply of high-purity, water treatment-grade aluminum sulfate, commonly known as alum, for use in treating Casey Lake to meet environmental and safety standards. The material must be delivered to the specified location and must conform to exacting quality benchmarks suitable for aquatic ecosystem management. The solicitation is issued as a subcontract under the Department of Natural Resources in Iowa, with the place of performance centered in Des Moines, though delivery is targeted to Casey Lake. The procurement follows industry standards associated with NAICS code 325311, which covers the manufacturing of inorganic chemicals. Responses are due by July 29, 2026, and interested parties must submit their proposals before the deadline to be considered. The posting date was July 11, 2026, and all bids must align with regulatory requirements for environmental applications, ensuring the alum's purity and handling procedures prevent contamination or ecological harm.