The area of Swift Reservoir is 18.696 square kilometers.
The Swift River is in western Massachusetts, and it feeds the Quabbin Reservoir. The Quabbin is a main supply of water for the metropolitan Boston area. There may be other rivers with the same name.
The area of Chatfield Reservoir is 6,070,284.6336 square meters.
The area of Geist Reservoir is 7,648,558.638336 square meters.
The area of McIndoes Reservoir is 2,205,536.750208 square meters.
The area of Rondout Reservoir is 8,304,149.378764801 square meters.
The area of Parr Reservoir is 17.806 square kilometers.
The area of Falls Reservoir is 825,558.7101696001 square meters.
The area of Gladhouse Reservoir is 1,861,553.9543040001 square meters.
The area of Pontook Reservoir is 1,133,119.7982720002 square meters.
The area of Llanishen Reservoir is 238,000.0 square meters.
The area of Wickiup Reservoir is 45.325 square kilometers.
The area of Aurora Reservoir is 3,237,485.13792 square meters.