Largest lakes & reservoirs in 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 2151 articles we have published for lakes.
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Below are lakes within Compared by water volume. This list does not represent all lakes in , only the 2151 lake articles we have published on the LakeLubbers website.
Lake name  |
Water vol. in ac-ft |
Lake description |
|---|---|---|
| Norway Lake, MN (Central Minnesota, Minnesota, US Midwest Region, USA) |
24,960 ac-ft | Norway Lake is nestled in Kandiyohi County on the southern border of Minnesota’s Central tourism region. It is part of the Wilmar Lakes Area which inc … |
| Lake Freeman, IN (Indiana, US Midwest Region, USA, West Indiana) |
24,752 ac-ft | Nestled in the northern Indiana, Lake Freeman is one of two man-made lakes located just outside of Monticello. With the creation of the Lake Freeman a … |
| Devils Kitchen Lake, IL (Illinois, Southern Illinois, US Midwest Region, USA) |
24,500 ac-ft | (Also known as Crab Orchard National Wildlife Refuge) Devils Kitchen Lake is one of three lakes (the other two are Crab Orchard Lake and Little Grassy Lake) that are part of the Crab Orchard National Wild … |
| Newt Graham Lock and Dam, OK (Green Country, OK, Oklahoma, US Southwest Region, USA) |
24,260 ac-ft | (Also known as Newt Graham Lock and Dam 18, Newt Graham Lake, Newt Graham Reservoir, Newt Graham Pool) Barely 25 miles east of Tulsa, in Oklahoma’s Green Country Region, the Newt Graham Lock and Dam holds delight for the resident and visitor alike. The … |
| Harveys Lake, PA (Northeastern Mountains Region, PA, Pennsylvania, US Mid-Atlantic Region, USA) |
23,835 ac-ft | (Also known as Harvey's Lake) With a surface area of 658 acres, Harveys Lake is Pennsylvania’s largest natural lake by total volume of water. Located in the Northeastern Mountain R … |
| Panguitch Lake, UT (Color Country, UT, US West Region, USA, Utah) |
23,730 ac-ft | Located in the Dixie National Forest of southwestern Utah, visitors of this beautiful state won’t want to miss Panguitch Lake, along the Brian Head-Pa … |
| Atwood Lake, OH (Northeast Ohio, Ohio, US Midwest Region, USA) |
23,600 ac-ft | Atwood Lake is nestled in the rolling farm landscapes of Ohio’s Northeast tourism region. The lake straddles the border of Carroll and Tuscarawas Coun … |
| Great Moose Lake, ME (Kennebec & Moose River Valleys Region, ME, Maine, US New England Region, USA) |
23,520 ac-ft | (Also known as Moose Pond) Vacations are a time to sleep in. She knows that. She just can’t help herself. Mornings are so beautiful at Great Moose Lake she has been waking up ea … |
| Derwentwater (England, England's Northwest Region, United Kingdom) |
23,511 ac-ft | (Also known as Derwent Water, Derwentwater Lake, The Lake District) Cumbria, in northwest England, is home to Lake District National Park, established in 1951. All of the land in England that exceeds an elevation of 3, … |
| Konawa Lake, OK (Arbuckle Country, OK, Oklahoma, US Southwest Region, USA) |
23,000 ac-ft | (Also known as Konawa Reservoir, Lake Konawa) Located in south central Oklahoma’s Arbuckle Country, Konawa Lake is a world class bass fishing lake that is open for fun and enjoyment all year. Cons … |
| Lake Tarpon, FL (Florida, US South Region, USA, West Central Florida) |
22,957 ac-ft | (Also known as Tarpon Lake, formerly Lake Butler) In the West Central Region of Florida, there is no finer lake than Lake Tarpon. The 2529-acre lake, often called the ‘Jewel of Pinellas County’ is onl … |
| Newman Lake, WA (Northeast Washington, US West Region, USA, Washington) |
22,800 ac-ft | Newman Lake is a natural 1,200-acre lake located about 20 miles northeast of Spokane, Washington. Although Newman Lake is relatively small compared to … |