Fish Data

Fish Passage Queries

Adult Passage Counts

Adult passage count query for Prosser Dam, Roza Dam, Lyle Falls and Castile Falls

Adult Passage Counts Detail

Detailed adult passage count query for Prosser Dam, Roza Dam, Lyle Falls and Castile Falls 

Adult Passage Graphs

Interactive graphs of annual adult passage for Prosser Dam, Roza Dam, Lyle Falls and Castile Falls

Adult Count vs Flow and Temperature

Yearly Adult Passage vs River Flow and Temperature at Prosser. View instructions and data source.

Juvenile Counts

 
 
 
 

Adult Detections

Juvenile passage reports (Chandler Juvenile Passage Detail, Juvenile Counts/ Daily Detection Updates, Cle Elum Releases, Spring Chinook: Percent Remaining in Acclimation Raceways)

Adult Tag Detection Report

Below is a general summarization of fish count data. Click on the links above for more details.

Note: Lyle Falls trap counts only represent a subsample of the total run. See annual reports for population estimates.