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Areas of Heavy Groundwater Extraction

WorldPhysical EnvironmentAgriculture

Locations where groundwater systems experience levels of extraction exceeding recharge rates over a limited period of time

Die Bundesanstalt für Geowissenschaften und Rohstoffe

A map shows areas of heavy groundwater extraction worldwide, marked with blue shaded dots. Highest extraction areas include the United States, Mexico, China, and India.

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Areas of Heavy Groundwater Extraction

Distribution of Calcium Carbonate in Modern Surface Sediments

Insolation

Average Distribution of Dew Point Temperatures, July

Areas of Heavy Groundwater Extraction

Denver Basin

0 - 20

20 - 40

40 - 60

60 - 80

80 - 100

240–259

220–239

200–219

180–199

160–179

140–159

120–139

100–119

80–99

Less than 80

20–29°F

30–39°F

40–49°F

50–54°F

55–59°F

60–64°F

65–70°F

More than 70°F

Alaska
0.671%28.4%69.2%2.23%
Yukon
100%
Northwest Territories
2.63%82.4%14.9%
Nunavut
1.36%33.1%65.5%
Nova Scotia
3.14%52.4%47.6%
Prince Edward Island
19.7%100%
Saskatchewan
42.7%57.2%
Hawaii
2.48%13.2%3.56%1.64%2.67%97.3%
New Brunswick
0.602%47.2%52.8%
British Columbia
0.699%21.7%31.5%46.8%
Newfoundland and Labrador
1.91%29.5%69.1%1.36%
Alberta
29.7%53.1%17.2%
Québec
10.4%38.5%41.0%10.1%
Manitoba
26.0%66.7%7.35%
Ontario
30.4%56.0%13.7%
Arizona
144.2%33.7%22.1%3.28%52.5%1.52%4.55%1.19%
Utah
70.0%8.89%2.63%4.62%12.3%1.60%1.99%
District of Columbia
100%100%
Florida
0.637%0.865%32.7%67.3%15.7%50.5%
Idaho
78.1%21.9%41.4%1.00%
New Hampshire
100%51.0%48.6%
Rhode Island
4.44%100%40.8%3.92%
Vermont
100%67.8%5.13%
Washington
1.05%1.22%98.8%1.69%1.65%13.3%
Wyoming
12.4%87.6%6.20%1.64%53.8%3.89%
Montana
14.7%85.3%12.5%64.6%1.73%
Maine
0.825%99.8%0.153%1.90%1.80%
North Dakota
100%7.69%68.5%22.9%
Kentucky
46.4%53.6%74.1%25.9%
Virginia
0.818%2.49%97.5%5.66%52.3%20.9%1.66%
Delaware
2.57%100%70.5%28.7%
Mississippi
82.1%17.9%72.7%26.9%
West Virginia
99.2%0.827%18.6%7.46%
Nebraska
9.53%90.5%1.70%23.3%39.4%35.0%
Texas
25.26%58.9%35.9%7.25%23.2%29.8%25.4%11.4%
Missouri
66.4%33.6%79.9%3.80%
Louisiana
26.8%73.2%31.8%67.8%
North Carolina
11.08%73.0%27.0%1.46%1.28%68.8%
Oregon
0.120%96.3%3.75%3.51%53.1%4.57%
Alabama
66.2%33.8%94.8%3.85%
New Mexico
15.5%33.9%49.1%1.12%55.1%17.6%5.37%
Kansas
5.90%91.6%2.46%1.72%30.3%60.6%7.43%
Wisconsin
100%4.55%71.2%1.80%
New Jersey
1.77%51.6%48.4%35.4%64.3%
South Carolina
1100%1.35%88.9%5.34%
Michigan
100%3.53%60.8%2.65%
Connecticut
100%74.5%20.0%
Pennsylvania
19.4%80.6%4.44%3.41%11.0%
Colorado
148.1%51.6%0.332%1.05%16.7%24.1%
Nevada
1.58%63.4%31.2%3.86%8.38%55.6%2.02%
Massachusetts
5.64%0.220%0.220%99.8%3.88%49.9%35.1%
Georgia
0.250%48.3%51.7%9.84%70.8%17.4%
New York
3.00%100%1.78%9.58%8.48%1.26%
Maryland
2.92%100%12.3%72.0%14.7%
Oklahoma
182.2%17.8%2.09%6.06%3.01%9.12%
Tennessee
100%3.53%55.1%
California
10.408%0.184%2.69%22.7%49.4%19.9%5.25%2.22%24.7%1.17%2.39%
Arkansas
150.1%49.9%7.28%3.52%1.05%
South Dakota
50.1%49.9%2.29%26.1%60.0%10.8%
Ohio
51.6%48.4%36.5%1.25%
Indiana
0.561%79.2%20.2%8.52%84.6%5.00%
Minnesota
99.9%16.6%59.4%18.8%
Iowa
77.7%22.3%3.40%95.4%
Illinois
111.8%73.8%14.4%1.77%78.7%18.0%
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