DART Smolt Index Columbia Basin "Quick Look"

Smolt Index Queries

stacked plot Smolt Index Yearling Chinook at key locations stacked plot Smolt Index Subyearling Chinook at key locations stacked plot Smolt Index Steelhead at key locations stacked plot Smolt Index Sockeye at key locations stacked plot Smolt Index Coho at key locations stacked plot Collection Counts Lamprey at key locations

Last Update: April 27 2026 08:13:01.

Query Notes

Smolt Index Metadata, FPC (external link)
The DART Smolt Index Columbia Basin "Quick Look" Summary presents current Smolt Index with the ten year averages atat key locations dams. Sampling at Lower Monumental, Rock Island, and John Day ended in 2021. Updated daily.