The Department of the Interior, specifically the Bureau of Reclamation's Great Plains Regional Office, is conducting a Sources Sought notice for the Heart Butte Dam Safety of Dams Modification project located near Elgin, North Dakota. The project aims to enhance the safety, stability, and performance of the dam through a comprehensive suite of civil, geotechnical, and structural construction activities, including dewatering systems, cofferdam works, foundation remediation, and outlet works rehabilitation. This initiative is critical for addressing dam safety concerns and ensuring compliance with modern safety standards. Interested parties, including large businesses and various small business classifications, are encouraged to submit capability statements and past performance information to Contracting Officer Mitchell Frost at mfrost@usbr.gov by 1700 EST on January 4, 2026, as the government anticipates awarding a Firm Fixed Price contract with a performance period from December 31, 2026, to June 30, 2030.