| | Site # | Site Name | Value |
| 90 | YAAK RIVER nr Troy | 63 |
| 91 | YELLOWSTONE at Lake Outlet | 69 |
| 92 | YELLOWSTONE RIVER at | 66 |
| 93 | YELLOWSTONE RIVER at | 71 |
| 94 | YELLOWSTONE RIVER at Miles | 64 |
| 95 | YELLOWSTONE RIVER near | 70 |
| 96 | YELLOWSTONE RIVER nr Sidney | 70 |
| 97 | MUSSELSHELL R NR | 26 |