Region
United States
18
New Jersey
3
California
2
Florida
2
Lake County
2
Maine
2
New Mexico
2
Ohio
2
Albuquerque
1
Boston
1
Camp Lejeune
1
Caroline
1
Colorado
1
Connecticut
1
Dayton Region
1
Illinois
1
Indiana
1
Massachusetts
1
New York (State)
1
North Carolina
1
Potomac River Watershed
1
Rhode Island
1
San Gabriel River Valley
1
Scioto River
1
Woburn
1