Walla Walla District Fish Programs - usace adult fish

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usace adult fish - Walla Walla District - Lower Granite Lock and Dam


The adult counts in this report are based on reporting dates for dams recently established (2000). They are presented in the table below. A report with adult salmon counts based on historical dates (prior to 2000) can be found here. The reporting dates table shows that several dams stop counting fish around November 15th each year. The fish counters are currently taking separate counts of adult chinook, jack chinook, clipped steelhead, unclipped steelhead, adult coho, jack coho, sockeye, chum, pink, shad, and lamprey. Fish counts are estimates of the actual numbers of passing fish. The mission of the U.S. Army Corps of Engineers is to deliver vital public and.

Notes on the DART Adult Passage Dataset. USACE Dams Video and Live Counting: From November through March, video tape fish counting occurs at US Army Corps of Engineers dams with fish ladders on the Columbia and Snake Rivers. Fish counting by video tape takes at least a few days to process: the fish counters have to make, collect, and read the tapes, and then submit their fish counts. The Corps commemorated the new Fall Creek Adult Fish Collection Facility on May 23, 2019. Blue River Dam turns 50-years-old, and marks the 50th commemoration of the completion of the entire system of U.S. Army Corps of Engineers’ 13 dams in Oregon’s Willamette Valley, which has been systematically protecting people, infrastructure and a.

USACE Adult Dam Count Queries are available on the FPC website for users to download COE adult count data. There are six adult count group queries including: running sum reports; month by month and monthly sums reports; year-to-date and annual sums reports; ladder split reports, daily ladder counts reports; and twenty four hour ladder count reports. Adult Fish Passage There is one fish ladder for passing migratory fish with entrances on both shores and a fish channel through the dam that connects to the south shore ladder. Modifications to improve adult Pacific Lamprey passage include passage structures and installation of metal plating to assist lamprey upstream.