South
Alabama
There are 26 lakes and reservoirs in Alabama on this site. Almost all of them are reservoirs held back by a dam. The largest is…
Index
States in this guide
Lakes, swimming spots and live water levels grouped by state. We publish a state once it has lakes with verified data.
West
Arizona
Arizona has 14 lakes and reservoirs in this guide. Almost all of them are reservoirs held back by a dam. Lake Powell is the…
South
Arkansas
Arkansas has 18 lakes and reservoirs in this guide. Almost all of them are reservoirs held back by a dam. Bull Shoals Lake is the…
West
California
California swimming splits between the Sierra Nevada and the Central Valley foothills. Lake Tahoe sits at about 6,225 feet and…
West
Colorado
There are 48 lakes and reservoirs in Colorado on this site. Almost all of them are reservoirs held back by a dam. The largest is…
Northeast
Connecticut
This guide covers 8 lakes and reservoirs across Connecticut. 4 of them are reservoirs held back by a dam and 4 are natural lakes.…
South
Florida
Florida's inland swimming is dominated by Lake Okeechobee, the largest freshwater lake in the state and the eighth largest…
South
Georgia
Lake Lanier is the busiest swimming reservoir in Georgia. Buford Dam closed the Chattahoochee River in 1956 and created a lake of…
West
Idaho
Idaho has 26 lakes and reservoirs in this guide. 21 of them are reservoirs held back by a dam and 5 are natural lakes. The…
Midwest
Illinois
Illinois has 10 lakes and reservoirs in this guide. Almost all of them are reservoirs held back by a dam. The largest is Carlyle…
Midwest
Indiana
There are 20 lakes and reservoirs in Indiana on this site. 13 of them are reservoirs held back by a dam and 7 are natural lakes.…
Midwest
Iowa
This guide covers 11 lakes and reservoirs across Iowa. 6 of them are reservoirs held back by a dam and 5 are natural lakes. Lake…
Midwest
Kansas
Kansas has 26 lakes and reservoirs in this guide. Almost all of them are reservoirs held back by a dam. Milford Lake is the…
South
Kentucky
There are 18 lakes and reservoirs in Kentucky on this site. Almost all of them are reservoirs held back by a dam. Kentucky Lake…
South
Louisiana
There are 15 lakes and reservoirs in Louisiana on this site. 10 of them are reservoirs held back by a dam and 5 are natural…
Northeast
Maine
This guide covers 19 lakes and reservoirs across Maine. 5 of them are reservoirs held back by a dam and 14 are natural lakes.…
South
Maryland
This guide covers 3 lakes and reservoirs across Maryland. Almost all of them are reservoirs held back by a dam. The largest is…
Northeast
Massachusetts
Massachusetts has 15 lakes and reservoirs in this guide. 6 of them are reservoirs held back by a dam and 9 are natural lakes. The…
Midwest
Michigan
This guide covers 44 lakes and reservoirs across Michigan. 3 of them are reservoirs held back by a dam and 41 are natural lakes.…
Midwest
Minnesota
This guide covers 37 lakes and reservoirs across Minnesota. 6 of them are reservoirs held back by a dam and 31 are natural lakes.…
South
Mississippi
Mississippi has 11 lakes and reservoirs in this guide. 10 of them are reservoirs held back by a dam and 1 are natural lakes. The…
Midwest
Missouri
Lake of the Ozarks is the swimming destination in central Missouri. Impounding the Osage River created a reservoir of about…
West
Montana
Montana has 22 lakes and reservoirs in this guide. 18 of them are reservoirs held back by a dam and 4 are natural lakes. The…
Midwest
Nebraska
Nebraska has 15 lakes and reservoirs in this guide. Almost all of them are reservoirs held back by a dam. The largest is Lake…
West
Nevada
Nevada's share of Lake Tahoe holds some of the most photographed swimming water in the western United States. The lake straddles…
Northeast
New Hampshire
There are 22 lakes and reservoirs in New Hampshire on this site. 7 of them are reservoirs held back by a dam and 15 are natural…
Northeast
New Jersey
There are 12 lakes and reservoirs in New Jersey on this site. 10 of them are reservoirs held back by a dam and 2 are natural…
West
New Mexico
New Mexico has 16 lakes and reservoirs in this guide. Almost all of them are reservoirs held back by a dam. The largest is…
Northeast
New York
This guide covers 33 lakes and reservoirs across New York. 14 of them are reservoirs held back by a dam and 19 are natural lakes.…
South
North Carolina
North Carolina has 30 lakes and reservoirs in this guide. 27 of them are reservoirs held back by a dam and 3 are natural lakes.…
Midwest
North Dakota
North Dakota has 12 lakes and reservoirs in this guide. 8 of them are reservoirs held back by a dam and 4 are natural lakes. The…
Midwest
Ohio
Ohio has 36 lakes and reservoirs in this guide. 35 of them are reservoirs held back by a dam and 1 are natural lakes. The largest…
South
Oklahoma
This guide covers 42 lakes and reservoirs across Oklahoma. Almost all of them are reservoirs held back by a dam. Grand Lake o'…
West
Oregon
This guide covers 50 lakes and reservoirs across Oregon. 44 of them are reservoirs held back by a dam and 6 are natural lakes.…
Northeast
Pennsylvania
Pennsylvania has 35 lakes and reservoirs in this guide. 34 of them are reservoirs held back by a dam and 1 are natural lakes.…
South
South Carolina
Lake Murray is the centerpiece of swimming in central South Carolina. The reservoir covers about 50,000 acres with roughly 650…
Midwest
South Dakota
South Dakota has 11 lakes and reservoirs in this guide. 9 of them are reservoirs held back by a dam and 2 are natural lakes. The…
South
Tennessee
Tennessee has 25 lakes and reservoirs in this guide. 24 of them are reservoirs held back by a dam and 1 are natural lakes. The…
South
Texas
Texas has more reservoirs with public water data than any other state, and the numbers are unusually easy to check. The Texas…
West
Utah
There are 29 lakes and reservoirs in Utah on this site. 25 of them are reservoirs held back by a dam and 4 are natural lakes. The…
Northeast
Vermont
There are 9 lakes and reservoirs in Vermont on this site. 5 of them are reservoirs held back by a dam and 4 are natural lakes.…
South
Virginia
Virginia's largest lake is John H. Kerr Reservoir, which straddles the border with North Carolina on the Roanoke River. The Army…
West
Washington
This guide covers 45 lakes and reservoirs across Washington. 34 of them are reservoirs held back by a dam and 11 are natural…
South
West Virginia
There are 10 lakes and reservoirs in West Virginia on this site. Almost all of them are reservoirs held back by a dam.…
Midwest
Wisconsin
Wisconsin has 35 lakes and reservoirs in this guide. 11 of them are reservoirs held back by a dam and 24 are natural lakes. Lake…
West
Wyoming
Wyoming has 19 lakes and reservoirs in this guide. 18 of them are reservoirs held back by a dam and 1 are natural lakes. The…