Old Croton Aqueduct, Northern Waste Weir, Snowden Avenue & Van Wick Street, Ossining, Westchester County, NY
Significance: The Old Croton Aqueduct is an outstanding example of 19th century civil engineering and was New York City's first municipal water project. The waste weir formed an integral part of the aqueduct system, by stopping or diverting water in the system. It also served as a ventilator.
Unprocessed Field note material exists for this structure: FN-29
Survey number: HAER NY-109
Building/structure dates: ca. 1840 Initial Construction
National Register of Historic Places NRIS Number: 74001324