Region
United States
703
Washington (State)
19
California
15
Colorado
14
Hanford
10
Nevada
10
Alaska
9
South Carolina
9
Yucca Mountain
9
Ohio
8
Hanford Site (Wash.)
7
New York (State)
7
Oklahoma
5
Tennessee
5
Colorado River Watershed (Colo.-Mexico)
4
Great Lakes (North America)
4
Idaho
4
Indiana
4
Mexico
4
Rocky Flats
4
Canada
3
East Liverpool
3
Florida
3
Great Lakes
3
Hanford Site
3
Missouri River
3
New Jersey
3
New Mexico
3
Trans-Alaska Pipeline (Alaska)
3
Valdez
3
Wisconsin
3
Aiken Region
2
Arizona
2
Austin
2
Carlsbad Region
2
Clark Fork (Mont. and Idaho)
2
Cleveland
2
Connecticut
2
Delaware Bay (Del. and N.J.)
2
Delaware River (N.Y.-Del. and N.J.)
2
Delta Region
2
Fort Benjamin Harrison
2
Fort Benjamin Harrison (Ind.)
2
Glen Canyon Dam (Ariz.)
2
Hillsboro Beach
2
Hopewell
2
Illinois
2
Kentucky
2
Lake Okeechobee
2
Mexican-American Border Region
2
more ...