Region
Florida
132
California
121
Colorado
99
New Mexico
95
Nevada
94
Texas
68
Arizona
65
New York (State)
64
United States
59
Wyoming
54
Washington (State)
47
Kansas
46
Utah
44
Hawaii
42
Arkansas
40
Floridan Aquifer
40
Tennessee
38
Pennsylvania
37
North Carolina
34
Mississippi
31
Oregon
31
South Dakota
31
Georgia
30
Minnesota
29
High Plains Aquifer
28
Kentucky
28
New Jersey
27
Idaho
26
Montana
26
North Dakota
26
Ohio
26
Maryland
25
Maryland, Southern
25
Louisiana
24
Alabama
22
Massachusetts
22
Oklahoma
22
Nye County
21
South Carolina
20
Virginia
20
Southern States
19
High Plains (U.S.)
18
Michigan
17
West Virginia
17
Illinois
16
Iowa
16
Nebraska
16
Puerto Rico
16
Columbia Plateau
14
Snake River Plain (Idaho and Or.)
14
more ...