Place
- New Mexico10
- North Carolina10
- Riverside County (Calif.)10
- Saco Bay (Me.)10
- South Carolina10
- Texas10
- West Virginia10
- Wisconsin10
- Cobscook Bay (Me.)9
- Hawaii9
- Machias Bay (Me.)9
- Narragansett Bay (R.I.)9
- Tennessee9
- Albion River Watershed (Calif.)8
- Block Island Sound (R.I.)8
- Blue Hill Bay (Me.)8
- Ipswich Bay (Mass.)8
- Jasper Ridge Biological Preserve (Calif.)8
- Woodside (Calif.)8
- Inyo County (Calif.)7