Where does New York City water come from?
New York City’s surface water is supplied from a network of 19 reservoirs and three controlled lakes in a 1,972 square-mile watershed that extends 125 miles north and west of New York City. Due to the City’s ongoing efforts to maintain the appropriate volume and high quality of water in the distribution system, there is some rotation in the water sources used by DEP. In 2006, 99% of our water came from the Catskill/Delaware System located in Delaware, Greene, Schoharie, Sullivan, and Ulster counties, west of the Hudson River. The Croton System, the City’s original upstate supply, was offline in 2006, and therefore did not provide drinking water to New York City residents for the entire calendar year. New York City’s Groundwater System in southeastern Queens operated one well which supplied a daily average of 1.3 million gallons of drinking water, less than 1% of the City’s total usage.
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