In order to save water resources, New York City Mayor Michael Bloomberg announced the city in 2011 to install 826,000 wireless water meters, in accordance with current practice, water is collected by the Environmental Protection Department (Department of Environmental Protection, DEP) estimates the user The water consumption charge once every three months, while this wireless water meter system, every six hours the data will be transmitted to the receiver on the roof, DEP will be charged to the user so the monthly water, (but also with the the network to send the bill is enough green bar!) is expected to set the wireless meter system will cost U.S. dollars 250 million yuan, now in Brooklyn, Manhattan and Queens, began to be installed (free installation costs), once expanded to the city, New York, will be using wireless water meter is the world's largest cities, but according to The New York Times (New York Times) estimates, the system will be reduced by 5% ~ 10% of the water each year to save up to USD 9,000 million.
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