Perhaps they could also check if there was an unusual amount of water used like say, in the middle of the night.
Bentonville Police Use Smart Water Meters As Evidence In Murder Investigation | 5newsonline.com
Court documents show investigators believe
James Bates cleaned up the murder scenebecause of the amount of water he used in a two-hour window. Police said they got that data from the smart water meter at his home, which, according to the city utilities department, takes a measurement every hour of how much water is used.
5NEWS spoke with Heath Ward, the executive director of Springdale Water Utilities, which uses meters similar to those used in Bentonville. Ward said Springdale’s meters can read data continuously or do a spot reading and then send back that information to a central server.
"If a customer has a problem, a specific problem, and suspect they have a leak, we do have more technology that actually monitors and takes a reading 24-hours a day for 30 days and you can see the habits, the water habits of the house," he explained.