Region
Colorado
Alamosa River Watershed
8
Piceance Creek Watershed
4
Rio Grande County
4
Arkansas River
3
Animas River Watershed (Colo. and N.M.)
2
Clear Creek (Clear Creek County)
2
Georgetown Region
2
Leadville Region
2
San Juan County
2
San Juan County (Colo.)
2
Hayden Region
1
Leadville
1
Piceance Creek Basin
1
United States
1