Bear River Basin
Belle Fourche River basin
Cheyenne River Basin
Clarks Fork Basin
Great Divide Basin
Green River Basin
Laramie River Basin
Little Bighorn Basin
Little Missouri River Basin
Little Powder River Basin
Little Snake River Basin
Niobrara River Basin
North Platte River Basin
Powder River Basin
Snake River Basin
South Platte River Basin
Tongue River Basin
Wind-Big Horn Basin
Yellowstone River Basin
