Richmond Tunnel
The Richmond Tunnel is a 5-mile-long (8.0 km) water supply tunnel that runs below Upper New York Bay between Red Hook, Brooklyn, and Tompkinsville, Staten Island. Completed in 1970, the tunnel is part of the New York City water supply system and provides Staten Island with water from upstate reservoirs via a connection to City Water Tunnel No. 2 in Brooklyn. The Richmond Tunnel was constructed in conjunction with water storage tanks located below Silver Lake Park on Staten Island and a supply line that connects a distribution chamber in Tompkinsville to the underground storage tanks. The 10-foot-diameter (3.0 m) Richmond Tunnel, which is located approximately 900 feet (270 m) below sea level, was built to increase the supply of water to Staten Island and accommodate growth in the island's population following the opening of the Verrazzano-Narrows Bridge in 1964. Before the new tunnel was completed, Staten Island received its water from two siphons under the Narrows that connected to trunk water mains in Brooklyn. The Richmond Tunnel can carry 300 million US gallons (1,100,000 m3) of water per day, which is ten times the amount that could be carried by the siphons. The two siphons, which were kept as a backup to the Richmond Tunnel after it opened, were abandoned in 2016 after they were replaced by a deeper siphon, which allowed the shipping channel to be dredged and accommodate larger vessels.
Excerpt from the Wikipedia article Richmond Tunnel (License: CC BY-SA 3.0, Authors).Richmond Tunnel
Bay Street, New York
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Geographical coordinates (GPS)
| Latitude | Longitude |
|---|---|
| N 40.635555555556 ° | E -74.074166666667 ° |
Address
Bay Street 263
10301 New York
New York, United States
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