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Water Resources Vulnerability

WorldPhysical EnvironmentSocial / HealthEconomic

Measure of projected water stress in the year 2020; water stress is the ratio of total annual water withdrawals to total available annual renewable supply.

World Resources Institute

A world map shows water resources vulnerability.

Areas shaded in light yellow represent regions with arid and low water use, predominantly found in parts of Australia (central regions), Egypt, Saudi Arabia, Libya, Mauritania, and Yemen. Regions with low vulnerability, less than 10 percent, are shown in light orange and are primarily located in most parts of Africa, South America, Canada, Russia, most of Asia. Areas with low-medium vulnerability, ranging from 10 to 20 percent, are depicted in orange and are scattered throughout some parts of Japan and U S A, some parts of Asia and Europe. Medium-high vulnerability areas, between 20 to 40 percent, are shown in light red and are mainly found in South Africa, China, and many more. High vulnerability regions, ranging from 40 to 80 percent, are shaded in red and are located in parts of U S A, Europe, and Asia. Areas with extremely high vulnerability, over 80 percent, are shown in dark red and include most of U S A and Asia. Some areas such as Greenland and South Pole are marked with a gray shade, indicating no data available for those regions.

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Water Resources Vulnerability

Ethnic Diversity

Rice Production (U.S.)

Ecological Regions: Level 2 Labels

No data

Arid and low water use

Low (<10%)

Low-medium (10-20%)

Medium-high (20-40%)

High (40-80%)

Extremely high (>80%)

Not available

Least ethnically diverse

Moderately ethnically diverse

More ethnically diverse

Rice Production (U.S.)

Rice Production (U.S.)

Rice Production (U.S.)

Rice Production (U.S.)

Rice Production (U.S.)

Rice Production (U.S.)

Rice Production (U.S.)

ALASKA BOREAL INTERIOR

ALASKA TUNDRA

ARCTIC CORDILLERA

ATLANTIC HIGHLANDS

BOREAL CORDILLERA

BOREAL PLAIN

BROOKS RANGE TUNDRA

CENTRAL USA PLAINS

COLD DESERTS

EVERGLADES

HUDSON PLAIN

MARINE WEST COAST FOREST

MEDITERRANEAN CALIFORNIA

MISSISSIPPI ALLUVIAL AND SOUTHEAST USA COASTAL PLAINS

MIXED WOOD PLAINS

MIXED WOOD SHIELD

NORTHERN ARCTIC

OZARK/OUACHITA-APPALACHIAN FORESTS

SOFTWOOD SHIELD

SOUTH CENTRAL SEMIARID PRAIRIES

SOUTHEASTERN USA PLAINS

SOUTHERN ARCTIC

TAIGA CORDILLERA

TAIGA PLAIN

TAIGA SHIELD

TEMPERATE PRAIRIES

TEXAS-LOUISIANA COASTAL PLAIN

UPPER GILA MOUNTAINS

WARM DESERTS

WEST-CENTRAL SEMIARID PRAIRIES

WESTERN CORDILLERA

WESTERN SIERRA MADRE PIEDMONT

Manitoba
0.656%83.1%11.7%2.04%1.39%100%
District of Columbia
100%100%
Idaho
0.772%13.8%28.4%8.83%44.9%100%
New Hampshire
17.2%33.7%40.5%8.46%100%
Vermont
7.27%88.3%4.41%99.7%0.257%
Kentucky
76.6%17.7%5.68%100%
Virginia
11.9%0.775%16.4%1.64%99.9%
Missouri
45.5%14.9%0.131%5.37%100%
Louisiana
54.5%20.6%5.75%99.9%
Hawaii
7.82%4.35%2.55%92.1%
Kansas
0.176%1.82%13.8%68.4%100%
South Carolina
0.748%24.6%36.2%99.9%
Connecticut
0.460%29.6%24.9%23.8%1.35%99.9%
Georgia
8.71%47.0%37.9%100%
Maryland
0.151%4.45%64.3%1.05%8.49%99.3%
Oklahoma
11.4%5.60%4.28%17.9%30.0%100%
Tennessee
90.1%5.50%100%
Ohio
3.42%0.721%29.0%100%
Alaska
0.132%87.9%0.193%0.154%1.32%99.9%281516
Arizona
3.34%9.37%6.97%0.448%4.52%100%211
Utah
20.8%13.7%0.313%0.420%49.5%100%11
Yukon
0.923%99.0%100%1
Northwest Territories
0.342%3.62%99.9%3111
Florida
10.4%12.0%0.279%0.266%0.590%99.8%11
Rhode Island
0.183%86.5%6.09%99.3%1
Washington
72.6%3.37%5.42%0.287%6.53%99.9%12
Wyoming
21.7%0.541%70.3%100%11
Nunavut
0.979%18.2%99.7%8204
Montana
28.7%2.60%14.6%5.24%35.2%100%13
Maine
94.9%2.65%0.228%0.817%99.8%1
North Dakota
7.38%3.22%4.45%0.249%9.67%36.7%100%1
Nova Scotia
0.182%80.1%99.5%2
Delaware
0.105%37.7%61.1%99.2%1
Prince Edward Island
98.5%98.5%1
Saskatchewan
4.25%59.9%2.62%2.54%2.67%0.868%100%1
Mississippi
74.5%1.57%23.9%100%1
West Virginia
63.6%17.6%14.6%100%1
Nebraska
0.605%3.54%22.3%73.5%100%1
Texas
4.07%3.41%2.84%1.94%22.5%2.71%99.9%211
North Carolina
0.116%12.2%54.7%3.14%0.982%99.9%11
Oregon
14.3%48.2%11.8%4.82%0.772%0.847%100%1
New Brunswick
99.5%99.8%1
Alabama
92.6%5.45%0.987%100%1
New Mexico
30.3%0.128%7.32%21.7%100%4
Wisconsin
5.67%25.0%40.8%9.68%100%1
British Columbia
92.0%1.55%0.285%2.52%97.4%1111
Newfoundland and Labrador
74.5%99.7%1
New Jersey
0.162%3.07%94.0%1.76%99.8%1
Michigan
56.0%3.00%4.63%9.70%100%111
Alberta
3.52%56.8%0.267%4.01%3.67%11.4%100%11
Pennsylvania
1.42%27.8%49.9%3.96%100%1
Colorado
0.795%9.40%85.2%100%1
Nevada
8.21%0.731%1.40%0.413%2.80%24.0%100%1
Massachusetts
0.206%0.166%33.6%8.30%30.7%0.206%99.5%1
New York
25.4%5.89%56.3%5.19%0.401%100%21
Québec
99.1%0.240%99.9%111211
Ontario
97.2%1.67%1.13%100%111
California
0.688%12.5%0.232%17.8%2.26%1.00%99.9%211
Arkansas
12.6%46.8%33.2%6.01%100%11
South Dakota
32.7%3.47%37.3%22.0%100%1
Indiana
0.434%1.19%8.61%4.78%100%1
Minnesota
21.0%3.81%13.1%23.4%22.0%100%1
Iowa
26.6%12.5%44.0%16.3%0.628%100%1
Illinois
30.9%0.187%44.1%9.75%100%1
0.16.0