Chum Salmon Spawning Ground Surveys Below Bonneville Dam, 2018-19.
Survey Area Date Lives Dead** Redds*** Visibility Comments
Ives/Pierce Island Complex 17-Sep-18 0 0 0 6 ft.
24-Sep-18 0 0 0 6 ft.
1-Oct-18 0 0 0 5 ft.
4-Oct-18 0 0 0 4.5 ft.
11-Oct-18 0 0 0 5 ft.
18-Oct-18 0 0 0 6.5 ft.
22-Oct-18 60 0 0 6 ft.
25-Oct-18 137 0 0 5.5 ft.
29-Oct-18 0 0 0 5 ft.
1-Nov-18 93 0 0 4.5 ft.
5-Nov-18 40 1 0 4.5 ft. Windy/Rainy
9-Nov-18 NC 0 NC 6 ft. Carcass Count Only.
13-Nov-18 13 0 0 4 ft. Heavy East Wind Chop
15-Nov-18 NC 0 NC 5.5 ft. Carcass Count Only.
20-Nov-18 128 0 9 4.5 ft. Windy 
26-Nov-18 NC 0 NC 6 ft. Carcass Count Only.  East Wind Chop.
27-Nov-18 365 0 37 5 ft.
4-Dec-18 322 53 67 4.5 ft. Very Windy
11-Dec-18 198 42 19 5 ft.
18-Dec-18 26 5 0 3.5 ft. Very Windy
26-Dec-18 5 3 0 5 ft.
2-Jan-19 0 0 0 5 ft.
Horsetail 2-Nov-18 0 0 0 2.5 ft. Muddy
8-Nov-18 0 0 0 5 ft.
15-Nov-18 42 0 0 5.5 ft.
21-Nov-18 7 0 2 4 ft. Windy
28-Nov-18 61 0 16 5 ft.
10-Dec-18 7 0 9 5 ft.
17-Dec-18 1 0 0 5 ft.
26-Dec-18 0 0 0 5 ft.
Marker 85 8-Nov-18 0 0 0 5 ft.
15-Nov-18 5 0 1 5 ft.
21-Nov-18 15 0 0 4.5 ft. Windy
28-Nov-18 5 0 1 5 ft.
10-Dec-18 15 0 4 5 ft.
17-Dec-18 0 0 0 5 ft.
26-Dec-18 0 0 0 5 ft.
Multnomah 2-Nov-18 0 0 0 5 ft.
8-Nov-18 0 0 0 5.5 ft.
15-Nov-18 0 0 1 5.5 ft.
21-Nov-18 75 0 8 4.5 ft. Windy
28-Nov-18 120 2 21 5.5 ft.
10-Dec-18 10 24 0 5 ft.
17-Dec-18 4 5 3 4.5 ft.
26-Dec-18 0 0 0 5 ft.
St. Cloud 2-Nov-18 0 0 0 5 ft.
8-Nov-18 0 0 0 5 ft.
15-Nov-18 1 0 1 5.5 ft.
21-Nov-18 0 0 0 1 ft. Muddy
28-Nov-18 5 0 1 4 ft.
10-Dec-18 12 0 2 4 ft.
17-Dec-18 6 1 0 3.5 ft.
26-Dec-18 0 0 0 4 ft.
**Dead are newly sampled fish only
***Redds are an instantaneous count for the day, not cumulative.
NC = No Count