Chinook Salmon Spawning Ground Surveys Below Bonneville Dam, 2018-19.
Survey Area Date Lives* Dead** Redds*** Visibility
Ives/Pierce Island Complex 17-Sep-18 25 0 0 6 ft.
24-Sep-18 7 0 3 6 ft.
1-Oct-18 3 0 2 5 ft.
4-Oct-18 13 0 0 4.5 ft.
11-Oct-18 1 0 1 5 ft.
18-Oct-18 318 0 6 6.5 ft.
22-Oct-18 84 0 6 6 ft.
25-Oct-18 121 1 11 5.5 ft.
29-Oct-18 92 0 35 5 ft.
1-Nov-18 542 0 111 4.5 ft.
5-Nov-18 1130 5 177 4.5 ft.
9-Nov-18 NC 16 NC 6 ft. Carcass Count Only.
13-Nov-18 3330 30 542 4 ft. Heavy East Wind Chop
15-Nov-18 NC 40 NC 5.5 ft. Carcass Count Only. 
20-Nov-18 5649 557 707 4.5 ft. Windy
26-Nov-18 NC 159 NC 6 ft. Carcass Count Only. East Wind Chop.
27-Nov-18 1367 429 227 5 ft.
4-Dec-18 298 61 46 4.5 ft. Very Windy
11-Dec-18 187 103 37 5 ft.
18-Dec-18 20 0 0 3.5 ft. Very Windy
26-Dec-18 8 1 0 5 ft.
2-Jan-19 0 0 0 5 ft.
*Lives may include jacks
**Dead are newly sampled fish only
***Redds are an instantaneous count for the day, not cumulative.
NC = No count