Region
New Mexico
27
Florida
24
Floridan Aquifer
22
California
20
High Plains Aquifer
18
Kansas
18
Maryland, Southern
16
Pennsylvania
16
Arkansas
15
Colorado
15
Chester County
14
New York (State)
13
Long Island
11
Louisiana
11
High Plains (U.S.)
10
Nevada
10
Wyoming
9
New Jersey
8
Albuquerque Basin
7
Albuquerque Region
7
Arizona
7
Mojave River Watershed
7
Palm Beach County
7
Wichita
7
Michigan
6
Morongo Valley
6
Oregon
6
San Bernardino County
6
Albuquerque Basin (N.M.)
5
Bernalillo County
5
Ohio
5
Texas
5
Wichita Region
5
Alaska
4
Georgia
4
Illinois
4
Iowa
4
Kentucky
4
Laramie County
4
Rhode Island
4
Santa Fe Group
4
Virginia
4
Wisconsin
4
Albuquerque
3
Baton Rouge Region
3
Columbia Plateau
3
Delaware
3
Denver Basin
3
Idaho
3
Indiana
3
more ...