Lowe's helped its customers save about 4 billion gallons of water last year, and Kohler introduced 40 new water-efficient toilet models to the North American market in 2011, earning both companies EPA awards.
Colorado Springs Utilities, American Standard Brands and KB Home also received 2012 WaterSense partners of the year awards for their water conservation efforts.
Since the EPA launched the program in 2006,
WaterSense-labeled products have helped Americans save $4.7 billion from their water and energy bills and 287 billion gallons of water, according to the EPA.
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