Lower granite dam has one fish ladder with entrances on both shores to provide a passage route for upstream migrating fish including adult salmon and steelhead lamprey shad and others.
Lower granite dam fish count.
The fish passage center.
Hwy 194 sw follow signs to almota and boyer park.
From state highway 127 turn east just south of the snake river on lower deadman creek road.
Follow lower granite rd to dam.
Lower granite lock and dam is a concrete gravity run of the river dam in the northwest united states on the lower snake river in southeastern washington it bridges whitman and garfield counties.
The visitor center is open seven days a week from 8 00 a m.
Opened 45 years ago in 1975 the dam is located 22 miles 35 km south of colfax and 35 miles 56 km north of pomeroy.
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.
Wells dam lamprey research 2007 2008.
The lowered reservoir made the regular fish ladder facilities and counting equipment inoperable.
Current counts can be viewed at.
Gcpud was able to make modifications for fish passage at the dam but a count was not taken at the dam.
The lamprey adult passage counts at wells dam are not reflective of actual run size during 2007 2008.
Dart adult passage daily count.
Proceed 35 miles following the directional signs to lower granite dam.
Small group and family tours of the powerhouse and juvenile fish facility may be available upon request throughout.
Fish counts from each fishladder first 2 queries below go back to 1981.
At security gate dial 2210 for crossing escort.
Jacks are not included in the 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.
We would like to show you a description here but the site won t allow us.
Lower granite dam is part of the columbia river basin system of dams built and.
In portland district annual fish passage reports fishladder counts are combined to get the counts for each dam bonneville the dalles john day mcnary ice harbor and lower monumental each have 2 fishladders.
2020 steelhead count from july 1 to december 31 2020 to view winter passage at bonneville dam go to.
