Region
Florida
28
Floridan Aquifer
23
Texas
21
Pennsylvania
17
Maryland, Southern
16
High Plains Aquifer
15
Louisiana
14
New Mexico
14
Chester County
13
Houston Region
13
Kansas
12
Harris-Galveston Coastal Subsidence District (Tex.)
10
California
7
Palm Beach County
7
Albuquerque Region
6
Arkansas
6
Black Hills (S.D. and Wyo.)
6
Delaware
6
New Jersey
6
Wyoming
6
High Plains (U.S.)
5
Long Island
5
New York (State)
5
Wichita
5
Laramie County
4
Ohio
4
Santa Fe Group
4
Virginia
4
Antelope Valley
3
Baton Rouge Region
3
Idaho
3
Martin County
3
Mississippi
3
Mojave River Watershed
3
Morongo Valley
3
Nevada
3
Puerto Rico
3
Rhode Island
3
Saint Lucie County
3
South Florida Water Management District (Fla.)
3
Tennessee
3
Albuquerque
2
Albuquerque Metropolitan Area (N.M.)
2
American Samoa
2
Aquia Formation
2
Bucks County
2
Champaign County
2
Clark County
2
Curry County
2
Darke County
2
more ...