Base Utilities Inc.,* Minot Air Force Base, North Dakota, has been awarded a maximum $10,704,550 modification (P00018) to a 50-year utilities contract (SP0600-18-C-8322) with no option periods for two water and two wastewater systems at Grand Forks Air Force Base and Cavalier Space Force Station, North Dakota. This is a fixed-price with economic-price-adjustment contract. Location of performance is North Dakota, with a Jan. 31, 2069, performance completion date. Using military service is Air Force. Type of appropriation is fiscal 2022 through 2069 Air Force operations and maintenance funds. The contracting activity is the Defense Logistics Agency Energy, Fort Belvoir, Virginia.