Alum Applications at Casey Lake (Tama Co.)

The Iowa Department of Natural Resources is soliciting bids for the application of alum at Casey Lake in Tama County to mitigate internal phosphorus loading and enhance water quality. The project is part of a broader effort to restore and protect lake ecosystems through targeted chemical treatment. All bid submissions must be made exclusively through the IMPACS Electronic Procurement System, and no alternative submission methods are accepted. The solicitation, identified as 27CRDLWBMBALM-0001, was posted on July 11, 2026, and responses are due by July 29, 2026, at 4:00 PM Central Time. The contracting agency operates under the state of Iowa, with the primary point of contact for inquiries being Colton Lullmann, reachable via email at procurement@dnr.iowa.gov or phone at 515-361-0743. The office is located in Des Moines, Iowa, but the project work will be conducted entirely at Casey Lake. This solicitation does not specify a set-aside program or NAICS code, and all eligible vendors are encouraged to submit proposals through the official online portal.