Fish Passage Sediment Flush February 9

Gates #2 and #3 were raised at 9-Feb to flush out sediment along the fish passage (figures 1 & 2). Upstream water depth was increased up to approximately 4.31 ft on the PLC screen. After this sediment flushing, gates #1, #2, #3, and #18 were lowered, and then the water depth set 3.08 ft.

Figure 1 Figure 2

Figure 3 and figure 4 show the fish passage before and after the flushing. Sediment deposited in the fish passage bank was slightly reduced.

Figure 3 (7-Feb) [FP4] Figure 4 (9-Feb) [FP4]