A leak detection assembly includes a leak detection sensor mountable on a surface of a component of a water infrastructure system; and a communications device mountable on the component, the leak detection sensor connected to the communications device, the communications device including an antenna, wherein the communications device is a component of an infrastructure monitoring system. A leak detection system includes a component of a water infrastructure system; a leak detection sensor mounted on a surface of the component; and a communications device positioned in proximity to the component and connected to the leak detection sensor, the communications device including an antenna, wherein the communications device is a component of an infrastructure monitoring system.