The contractor the City of Fort Lupton has hired toimplement and oversee this program is Aqua Backflow. A National Firm specializing only in Cross Connection Control Management. Aqua Backflow can be reached toll-free at 866-777-2124 with any questions. You may also contact the City of Fort Lupton's Public Works department at 303-857-6694 with any questions. Certified Colorado Cross Connection Control Technicians who are also licensed with the City of Fort Lupton can can register and log-on to Track My Backflow and input results from backflow prevention testing.