Largest lakes & reservoirs in Capital Region, MD by water volume
The estimated volume of water that a lake contains is measured at the lake’s normal elevation. By this measure, the world’s largest freshwater lake is Siberia’s Lake Baikal.Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet. 1 acre-foot is equal to 325,851 US gallons. Siberia’s Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater – nearly 1 million gallons for every living person on earth.
The other – and more widely used – measure of a lake’s size is the lake’s surface acreage. By that measure, the world’s largest freshwater lake is North America’s Lake Superior.
Note: In the United States, an acre foot is a unit of volume used to refer to large-scale bodies of water. It is defined by the volume of water needed to cover 1 acre of surface area to a depth of 1 foot.
You can find many of the the world’s largest lakes (by water volume) on LakeLubbers. Note: For some lakes, the water volume data is unknown or does not apply, so you may see fewer lakes than the total 2 articles we have published for Capital Region, MD lakes.
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Below are lakes within USA > US Mid-Atlantic Region > Maryland > Capital Region, MD > Compared by water volume. This list does not represent all lakes in Capital Region, MD, only the 2 Capital Region, MD lake articles we have published on the LakeLubbers website.
Lake name  |
Water vol. in ac-ft |
Lake description |
|---|---|---|
| Little Seneca Lake, MD (Capital Region, MD, Maryland, US Mid-Atlantic Region, USA) |
13,402 ac-ft | Little Seneca Lake, located near Boyds, Maryland, is the focal point of the Black Hill Regional Park and covers nearly 1/3 of its acreage. It lies in… |
| Lake Needwood & Lake Frank (Capital Region, MD, Maryland, US Mid-Atlantic Region, USA) |
649 ac-ft | (Also known as Needwood Reservoir, Lake Bernard Frank, Bernard Frank Reservoir) Lake Needwood and its little neighbor, Lake Bernard Frank, offer a quiet respite from the busy, noisy metropolitan Washington DC landscape. The little… |