Region
United States
9
Colorado
7
New York (State)
7
California
5
Irondequoit Creek Watershed
5
New Jersey
5
Illinois
4
Montana
4
North Carolina
4
Pennsylvania
4
Texas
4
Colorado River Watershed (Colo.-Mexico)
3
Indiana
3
Kansas
3
Kentucky
3
Nevada
3
Oklahoma
3
Virginia
3
Arkansas
2
Chesapeake Bay (Md. and Va.)
2
Minnesota
2
Raritan River Watershed
2
Santa Clara River Valley
2
South Carolina
2
South Dakota
2
Toms River Watershed (N.J.)
2
Wisconsin
2
Adirondack Mountains
1
Alabama
1
Alamosa River Watershed
1
Alaska
1
Albuquerque
1
Anacostia River (Md. and Washington, D.C.)
1
Arizona
1
B. Everett Jordan Lake (N.C.)
1
Benton County
1
Bonnet Carre Floodway
1
Breckenridge Region
1
Buffalo River
1
Cedar Creek Watershed
1
Cedar Creek Watershed (Washington County and Ozaukee County)
1
Clark Fork (Mont. and Idaho)
1
Cleveland
1
Colorado River (Colo.-Mexico)
1
Colorado Springs Region
1
Columbia River
1
Connecticut
1
Delaware River (N.Y.-Del. and N.J.)
1
Delaware River Watershed (N.Y.-Del. and N.J.)
1
Detroit Lake
1
more ...