For several years, Bartlett & West Engineers Inc. has asked North American communities if they have a geographic information system (GIS) and how they use it.
The U.S. EPA’s WaterSense label, which has typically been used for bathroom appliances, is for the first time being used to certify outdoor water-use products: weather-based irrigation controllers.
Pumping is the second-largest expense, after labor, for most treatment plants, representing in some cases almost half the facility's annual operating costs.
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