Region
United States
108
Alaska
40
Washington (State)
36
Idaho
29
Colorado
20
Montana
16
California
14
Oregon
13
New York (State)
12
Utah
12
Denali National Park and Preserve (Alaska)
10
Maine
10
North Carolina
10
Wisconsin
10
Northwest, Pacific
9
Virginia
9
Kentucky
8
Columbia River
7
Connecticut
7
Denali National Park and Preserve
7
Illinois
7
West (U.S.)
7
American Falls Reservoir
6
Arkansas
6
West Virginia
6
Wyoming
6
Alabama
5
Michigan
5
New Jersey
5
Ohio
5
Snake River (Wyo.-Wash.)
5
Cannonsville Reservoir
4
Hawaii
4
Jennings Randolph Lake (Md. and W. Va.)
4
Pennsylvania
4
Swan Lake (Ketchikan Gateway Borough)
4
American River
3
Arrowrock Dam (Idaho)
3
China
3
Colorado River Watershed (Colo.-Mexico)
3
Columbia River Watershed
3
Grand Coulee Dam (Wash.)
3
Hoover Dam (Ariz. and Nev.)
3
John W. Flannagan Reservoir
3
Kantishna Hills
3
Little Wood River
3
Mekong River Watershed
3
Mount Hope
3
Nebraska
3
Penobscot River Watershed
3
more ...