Region
New York (State)
82
Arizona
57
Mississippi
44
Florida
43
Louisiana
31
Oswego County
29
High Plains Aquifer
27
New Mexico
24
Arkansas
23
California
23
Colorado
23
Wyoming
18
Kansas
17
Floridan Aquifer
16
Utah
16
Oklahoma
15
Pennsylvania
15
Southern States
15
Chester County
12
Maryland
12
Maryland, Southern
12
Minnesota
12
Nevada
12
North Carolina
12
Kentucky
11
Puerto Rico
10
San Juan Basin (N.M. and Colo.)
10
Texas
10
Idaho
9
Magothy Aquifer
9
Montana
9
Alabama
8
Chesapeake Bay Region (Md. and Va.)
8
Long Island
8
Maricopa County
8
Ozark Mountains Region
8
Coconino County
7
Mississippi River Valley
7
Nebraska
7
Ohio
7
Pima County
7
Steuben County
7
Albuquerque Region
6
Massachusetts
6
Navajo County
6
Oneida County
6
South Carolina
6
Yuma County
6
California, Southern
5
Columbia Plateau
5
more ...