The Croton Distributing Reservoir occupied the site of the New York Public Library. Filling for the reservoir began in 1842 and the structure was torn down in 1890. Its mammoth granite walls, 25 feet in thickness and soaring 50 feet in height, held 20,00,000 gallons of water.

The reservoir supplied New Yorkers with clean drinking water from Westchester's Croton River. The reserve is considered a precursor to our tap-water system today, which additionally supplies water from the Deleware and Catskill Aqueducts.

Built in service of the New Croton aqueduct, the Jerome Park Reservoir is named for the race track that once occupied its site. It was listed on the National Register of Historic Places in 2000.

The High Service Pumping Station was located near the planned East Basin of the Jerome Park Reservoir in the Bronx. The pumping station provided increased water pressure to new taller buildings. It was listed on the National Register of Historic Places in 1983.

Built between 1837 and 1848, the original stone arch bridge was designed to carry freshwater via the Croton Aqueduct without impeding shipping traffic on the Harlem River below. A pedestrian walkway was added to the bridge in 1864.

The Prospect Hill Water Tower stood adjacent to the Mount Prospect Reservoir, which supplied Brooklyn when it was an independent city. During a water shortage in January of 1893, the water tower was pressed into service to relieve parched residents.

Water from the Mount Prospect Reservoir was sourced in Long Island. Before making its way into Brooklyn, the water was held at the Ridgewood Reservoir.

Contrary to what its name suggests, the Williamsbridge Reservoir was a natural lake located near Van Cortlandt Park in the Bronx. The saucer-shaped lake was 13.1 acres and on average 41 feet deep. The body of water stopped being used as a reservoir in 1919 and the property was turned over to the New York State Office of Parks, Recreation, and Historic Preservation in 1934.

Perhaps the most well-known of New York City's reservoirs, the Central Park Reservoir, now named for Jacqueline Kennedy Onassis, was part of Olmsted and Vaux's 1857 design of Central Park. The reservoir was decommissioned in 1993 but remains an important ecological sanctuary in Central Park.