The fish counters have to make collect and read the tapes and then submit their fish counts.
Lower granite fish counts.
Due to changes in how agencies share fish count data to the public online critfc no longer displays them on our website.
Fish trapping season is underway and our crew is working hard with other agencies at lower granite dam to collect information on adult and juvenile salmon and steelhead.
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.
Jacks are not included in the count.
Small group and family tours of the powerhouse and juvenile fish facility may be available upon request throughout.
Fish counts are estimates of the actual numbers of passing fish.
Dart adult passage daily count.
Corps of engineers fish reporting site dam date of count daily count total to date in 2020 total to date in 2019 5 year average total count to date bonneville oct 1 446 104 286 66 091 132 844 lower granite oct 1 1 623 28 838 12 500 33 485 counts include wild and hatchery origin fish.
Lower granite lock and dam also has a visitor center that offers movies inter active displays brochures guided tours and a friendly and helpful staff.
The visitor center is open seven days a week from 8 00 a m.
2020 adult chinook salmon count from august 1 to december 15 2020 dam date of count daily adult count total to date in 2020 total to date in 2019 5 year average total count to date bonneville oct 1 2 321 362 520 249 906 400 704 lower granite oct 1 154 22 703 13 335 26 210 counts include both hatchery and wild origin adults.
Fish counting by video tape takes at least a few days to process.
The fish passage center.
Notes on the dart adult passage dataset.
Fish counts from each fishladder first 2 queries below go back to 1981.
Passage routes operated for downstream migrating fish are the spillway a spillway weir and a juvenile bypass system.
Current counts can be viewed at.
We would like to show you a description here but the site won t allow us.
Lower monumental little goose and lower granite on the snake river.
2020 steelhead count from july 1 to december 31 2020 to view winter passage at bonneville dam go to.
Usace dams video and live counting.
