The Normans Kill is a 45.4-mile-long (73.1 km) creek in New York's Capital District located in Schenectady and Albany counties. It flows southeasterly from its source in the town of Duanesburg near Delanson to its mouth at the Hudson River in the town of Bethlehem. In the town of Guilderland, the stream is dammed to create the Watervliet Reservoir, a drinking water source for the city of Watervliet and the Town of Guilderland.