| Broodstock
capture at Prosser Dam |
| All
Steelhead Assigned |
| Aggregate |
| Total |
| Unassigned |
| Satus |
| Topp |
| Ahtanum |
| Naches |
| Roza |
| Residents |
| Ska |
| Satus |
| 187 |
| 0 |
| 135 |
| 7 |
| 6 |
| 13 |
| 25 |
| 1 |
| 0 |
| Toppenish |
| 193 |
| 0 |
| 5 |
| 168 |
| 4 |
| 6 |
| 9 |
| 0 |
| 1 |
| Ahtanum |
| 144 |
| 0 |
| 4 |
| 4 |
| 105 |
| 6 |
| 25 |
| 0 |
| 0 |
| Naches |
| 180 |
| 0 |
| 15 |
| 6 |
| 5 |
| 102 |
| 49 |
| 1 |
| 2 |
| Roza |
| 476 |
| 0 |
| 25 |
| 8 |
| 20 |
| 22 |
| 388 |
| 6 |
| 7 |
| Residents |
| 6 |
| 0 |
| 0 |
| 0 |
| 0 |
| 2 |
| 4 |
| 0 |
| 0 |
| Skamania |
| 92 |
| 0 |
| 0 |
| 0 |
| 3 |
| 5 |
| 7 |
| 1 |
| 76 |