Chum Salmon Spawning Ground Surveys Below Bonneville Dam, 2017-18.
Survey Area Date Lives Dead** Redds*** Visibility (ft.)
Ives/Pierce Island Complex 19-Sep-17 0 0 0 6 Windy
21-Sep-17 0 0 0 5
25-Sep-17 0 0 0 6
28-Sep-17 0 0 0 7
2-Oct-17 0 0 0 6 Windy
5-Oct-17 0 0 0 7
12-Oct-17 0 0 0 6
16-Oct-17 0 0 0 7
19-Oct-17 0 0 0 3
23-Oct-17 0 0 0 1.5 Muddy
26-Oct-17 0 0 0 1 Windy
30-Oct-17 0 0 0 5 Windy
2-Nov-17 4 0 0 4.5 Windy
6-Nov-17 8 0 2 7 Windy
9-Nov-17 19 0 4 3.5
14-Nov-17 72 0 18 7
17-Nov-17 NC 2 NC 6
21-Nov-17 83 1 26 2.5 Windy
28-Nov-17 100 1 49 2.5 Poor visibility
1-Dec-17 NC 3 NC 4
week of 12/5 NC NC NC No survey due to high wind conditions
Horsetail 6-Nov-17 0 0 0 7 Windy
13-Nov-17 2 0 1 1 Windy
20-Nov-17 0 0 0 4.5
27-Nov-17 18 0 6 4
4-Dec-17 8 0 6 5
Marker 85 6-Nov-17 0 0 0 7 Windy
13-Nov-17 0 0 0 1 Windy
20-Nov-17 0 0 NC 4.5
27-Nov-17 3 0 0 4
4-Dec-17 0 0 0 5
Multnomah 6-Nov-17 0 0 0 7 Windy
13-Nov-17 5 0 0 1 Windy
20-Nov-17 13 0 5 4.5
27-Nov-17 7 0 3 4
4-Dec-17 13 0 4 5
St. Cloud 6-Nov-17 2 0 1 7 Windy
13-Nov-17 1 0 0 1 Windy
20-Nov-17 0 0 NC 4.5
27-Nov-17 17 0 0 2.5
4-Dec-17 0 0 0 5
**Dead are newly sampled fish only
***Redds are an instantaneous count 
for the day, not cumulative.
NC = No count