Region
Louisiana
2
American Samoa
1
California
1
Colorado
1
El Paso County
1
Fort Polk
1
Fort Polk Region
1
Fort Rock Basin (Or.)
1
Kittitas County
1
Lake County
1
Oregon
1
Santa Barbara
1
Santa Barbara Region
1
Sparta Aquifer (Ark. and La.)
1
Tutuila Island
1
Tutuila Island (American Samoa)
1
Washington (State)
1
Yakima River Watershed
1