American Water Operations & Maintenance LLC, Camden, New Jersey, has been awarded a maximum $19,520,592 modification (P00059) to a 50-year contract (SP0600-14-C-8290) with no options periods for the ownership, operation and maintenance of water and wastewater utility systems at Hill Air Force, Utah. This is a fixed-price with economic-price-adjustment contract. Location of performance is Utah, with an Aug. 31, 2064, performance completion date. Using military service is the Air Force. Type of appropriation is fiscal 2023 through 2064 Air Force operations and maintenance funds. The contracting activity is the Defense Logistics Agency Energy, Fort Belvoir, Virginia.