Coordinates: 40°49′30″N 73°57′25″W / 40.825°N 73.957°W
The waste treatment plant and park as seen from across the river
Under construction, 1973
Riverbank State Park is a 28-acre (11 ha) park built on the top of a sewage treatment facility on the Hudson River, in the New York City borough of Manhattan.
The park includes an Olympic-size swimming pool (home to the Riverbank Redtails swim team), a covered skating rink for roller skating in the summer and ice-skating in the winter, an 800-seat cultural theater, a 2,500-seat athletic complex with fitness room, and a 150-seat restaurant. Bicycling is strictly forbidden in the park but the Hudson River Greenway passes at water level. A popular work is the Totally Kid Carousel created by Maria Reidelbach and Milo Mottola.
The park is 69 feet (21 m) above the Hudson. It is located on the West Side Highway from 137th Street to 145th Street in Upper Manhattan. The one of only two state parks within Manhattan, along with Hudson River Park, it is built over the North River Wastewater Treatment Plant, which processes 125 million US gallons (470,000 m3) of wastewater every day during dry weather, and it is designed to handle up to 340 million US gallons (1,300,000 m3) a day when the weather is wet. The plant claims that its state-of-the-art facility emits no odors, though frequent visitors to the park would disagree. The plant sits on 2,300 caissons pinned into bedrock up to 230 feet (70 m) beneath the river. The plant was completed in two phases between 1986 and 1991.
The park was designed by Dattner Architects and Abel Bainnson Butz Landscape Architects, and opened in 1993. It has become one of the most heavily used State Parks in NY. The 28-acre (11 ha) site includes synthetic sport surfaces as well as several acres of "green roofs"--varying depths of soil supporting plantings and trees up to 35 feet (11 m) high. This is the largest "green" roof in NYC.