Little Known Facts About Water Quality Program - Riverkeeper.

Facilities [modify] New york city City's water system consists of aqueducts, distribution pipes, tanks, and water tunnels that channel drinking water to citizens and visitors. An extensive raised-relief map of the system is on display at the Queens Museum of Art. Till the early 21st century, some locations in southeastern Queens received their water from regional wells of the former Jamaica Supply of water Business.

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1 billion m3) and supplies over 1. 2 billion US gal (4. 5 million m3) daily of drinking water to more than 8 million city homeowners, and another one million users in 4 upstate counties bordering on the system. Three separate sub-systems, each consisting of aqueducts and tanks, bring water from Upstate New York City to New York City: The New Croton Aqueduct, finished in 1890, brings water from the New Croton Reservoir in Westchester and Putnam counties.

The Delaware Aqueduct, finished in 1945, taps tributaries of the Delaware River in the western Catskill Mountains and offers roughly half of New york city City's supply of water. The latter 2 aqueducts provide 90% of New york city City's drinking water, and the watershed for these aqueducts extends a combined 1 million acres (400,000 ha).

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The remainder of the watershed is personal property that is carefully kept track of for pollutants; advancement upon this land is restricted. The DEP has actually purchased or secured over 130,000 acres (53,000 ha) of private land since 1997 through its Land Acquisition Program. Water from both aqueducts is kept initially in the large Kensico Tank and consequently in the much smaller sized Hillview Tank closer to the city.

A computer system then evaluates the measurements and makes predictions for the water quality. In  Additional Info , the buoys took 1. 9 million measurements of the water in the tanks. Disinfection and filtering [modify] The water in the Kensico Tank streams to the Catskill-Delaware Water Ultraviolet Disinfection Facility, situated in Westchester County.

Queens, NY Water Quality Report

Queens, NY Water Quality Report

Ultraviolet treatment was viewed as the least dangerous method to control such bacteria and prevent higher levels of chlorination, which can result in unintentional health impacts. The UV facility opened on October 8, 2013, and was developed at a cost of $1. 6 billion. The compound is the biggest ultraviolet germicidal irradiation plant in the world; it consists of 56 UV reactors that could treat 2.