Major Drainage Basins
WorldPhysical EnvironmentThe world's drainage basins: land areas where surface water converges to a single point
A map shows major drainage basins depicted as blue dashed lines. Some of the notable basins include Columbia, Colorado in North America; Amazon, Orinoco in South America; Niger in Africa; Danube in Europe; Indus in Asia; and Murray-Darling in Australia.
Major Drainage Basins | Value | |
|---|---|---|
Yukon | 26.5% | |
Northwest Territories | 44.0% | |
Nunavut | 96.5% | |
Nova Scotia | 94.2% | |
Prince Edward Island | 61.9% | |
Saskatchewan | 46.3% | |
New Brunswick | 40.2% | |
British Columbia | 31.2% | |
Newfoundland and Labrador | 0.795% | |
Alberta | 29.9% | |
Québec | 64.3% | |
Manitoba | 47.7% | |
Ontario | 11.8% | |
Alabama | 13.6% | Trump (R) |
Alaska | 98.0% | Trump (R) |
Arizona | 95.5% | Biden (D) |
Arkansas | 100% | Trump (R) |
California | 2.37% | Biden (D) |
Colorado | 7.14% | Biden (D) |
Connecticut | 1.05% | Biden (D) |
Delaware | 97.0% | Biden (D) |
District of Columbia | 100% | Biden (D) |
Florida | 98.4% | Trump (R) |
Georgia | 2.66% | Biden (D) |
Hawaii | Biden (D) | |
Idaho | 0.316% | Trump (R) |
Illinois | 98.7% | Biden (D) |
Indiana | 89.5% | Trump (R) |
Iowa | 100% | Trump (R) |
Kansas | 100% | Trump (R) |
Kentucky | 100% | Trump (R) |
Louisiana | 91.0% | Trump (R) |
Maine | 23.3% | Biden (D) |
Maryland | 93.5% | Biden (D) |
Massachusetts | 2.45% | Biden (D) |
Michigan | 100% | Biden (D) |
Minnesota | 35.3% | Biden (D) |
Mississippi | 49.8% | Trump (R) |
Missouri | 100% | Trump (R) |
Montana | 0.445% | Trump (R) |
Nebraska | 100% | Trump (R) |
Nevada | 10.9% | Biden (D) |
New Hampshire | 0.302% | Biden (D) |
New Jersey | 97.8% | Biden (D) |
New Mexico | 54.2% | Biden (D) |
New York | 45.5% | Biden (D) |
North Carolina | 12.8% | Trump (R) |
North Dakota | 42.0% | Trump (R) |
Ohio | 71.3% | Trump (R) |
Oklahoma | 100% | Trump (R) |
Oregon | 2.50% | Biden (D) |
Pennsylvania | 64.1% | Biden (D) |
Rhode Island | 92.6% | Biden (D) |
South Carolina | 99.9% | Trump (R) |
South Dakota | 0.773% | Trump (R) |
Tennessee | 99.9% | Trump (R) |
Texas | 18.4% | Trump (R) |
Utah | 47.8% | Trump (R) |
Vermont | 4.27% | Biden (D) |
Virginia | 55.4% | Biden (D) |
Washington | 27.9% | Biden (D) |
West Virginia | 15.3% | Trump (R) |
Wisconsin | 69.3% | Biden (D) |
Wyoming | 21.0% | Trump (R) |
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