There are about 1,000 water sampling stations throughout the city. Every day, field scientists visit 50 to check temperature, chlorine and pH levels, as well as the levels of certain chemicals that prevent pipe corrosion. | Viewing NYC

New York Times Explores How New York Gets Its Water for New Column "New York 101"

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There are about 1,000 water sampling stations throughout the city. Every day, field scientists visit 50 to check temperature, chlorine and pH levels, as well as the levels of certain chemicals that prevent pipe corrosion.