Besides widely known Energy and Electricity smart meters, over the last two decades, water smart metering programs have been launched in a number of medium to large cities worldwide to nearly continuously monitor water consumption at the single household level.

Andrea Cominola from Politecnico of Milan (Italy) and his team just released a very interesting paper where they reviewed and classified 134 scientific publications on the topic, exploring in particular  4 crucial phases important for Water Demand Management Strategies: data gathering, water end-uses characterization, user modeling, and design and implementation.