Region
California
10
Kansas
7
United States
7
Massachusetts
4
Alaska
3
Georgia
3
Idaho
3
New Jersey
3
Texas
3
Arizona
2
Atlantic Coast
2
Beaufort Sea
2
Boston Harbor
2
Great Lakes (North America)
2
Indiana
2
Louisiana
2
North Dakota
2
Sacramento River
2
South Dakota
2
Washington (State)
2
All American Canal
1
Austin
1
Big Blue River Watershed (Neb. and Kan.)
1
British Columbia
1
Carson River Watershed
1
Charles River
1
Cherokee County
1
Clark Fork Watershed (Mont. and Idaho)
1
Clinton Lake
1
Cochiti Reservoir
1
Coeur d'Alene Mining District
1
Coeur d'Alene River
1
Colorado
1
Commencement Bay
1
Cook Inlet
1
Detroit River (Mich. and Ont.)
1
Eagle Harbor (Kitsap County)
1
Eagle Harbor (Kitsap County, Wash.)
1
Englebright Lake
1
Erie, Lake
1
Fall River Lake
1
Florida
1
Fort Gordon
1
Fort Worth
1
Great Salt Lake Watershed
1
Guánica Bay
1
Hanalei
1
Hartwell Lake (S.C. and Ga.)
1
Hawaii
1
Imperial Valley (Calif. and Mexico)
1
more ...