Region
United States
9
California
2
Sacramento River
2
Apalachicola River Watershed
1
Chattahoochee River Watershed
1
Delta Region
1
Flint River Watershed
1
Florida
1
Georgia
1
Middle Atlantic States
1
Minnesota
1
Mississippi River
1
Otter Tail County
1
Sacramento Valley
1
San Joaquin River
1
Texas
1
Trinity River Watershed
1
Washington (State)
1