Region
Florida
88
Nevada
83
New York (State)
76
California
68
Texas
65
New Mexico
52
Arizona
50
Washington (State)
49
Pennsylvania
46
Tennessee
42
Georgia
37
New Hampshire
36
Floridan Aquifer
34
Minnesota
33
Virginia
33
Colorado
32
Utah
31
New Jersey
30
North Carolina
29
Hawaii
26
Alabama
25
Edwards Aquifer (Tex.)
25
Massachusetts
25
Illinois
24
Michigan
23
Montana
22
Idaho
21
Kansas
21
Maryland
21
Oklahoma
21
Oregon
21
Missouri
20
Ohio
20
South Dakota
20
Wyoming
20
Yucca Mountain
20
United States
19
Kentucky
18
Nebraska
17
Connecticut
16
Indiana
16
Puerto Rico
16
Wisconsin
15
Alaska
14
Arkansas
13
Nye County
13
San Juan Basin (N.M. and Colo.)
13
South Carolina
13
Louisiana
12
Aberdeen Proving Ground
11
more ...