Juvenile Sampling w/ Life Stages

Data Courtesy of USFWS, Lodi and USFWS, Red Bluff and California Department of Fish & Wildlife via CalFish and Pacific States Marine Fisheries Commission via CalFish

Juvenile Monitoring & Sampling Queries

Select Output Format

Graph and HTML Table with CSV File CSV Only Graph Only [PNG]

Select Brood/Water Year, Species-Run, Location

Year in brackets following the Location indicates earliest data available.
"Chinook, All" is the only valid Chinook Species-Run selection for Mossdale Trawls and Caswell RST.

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Generate Query Result Link Only

Check box and click "Submit Query" button to generate data link for querying results directly from scripts and automated processes.

Query Notes

Juvenile Monitoring and Sampling Metadata

plot Winter-run Chinook Monitoring at Multiple Locations

Latest Monitoring Dates in SacPAS Database

Upper Clear Creek RST: 2026-01-19
Lower Clear Creek RST: 2026-01-19
Upper Battle Creek RST: 2026-01-19
Red Bluff Diversion Dam RST: 2026-01-21
Tisdale Weir RST: 2026-01-25
Knights Landing RST: 2026-01-19
Lower Feather River RST: 2026-01-26
Lower Sacramento River RST: 2026-01-22
Lower American River RST: 2025-06-20
Sacramento Trawls (@ Sherwood Harbor): 2026-01-26
Sacramento Beach Seines: 2026-01-26
Chipps Island Trawls: 2026-01-27
Mossdale Trawls: 2026-01-26
Caswell Memorial State Park RSTs: 2025-06-20
Enhanced Delta Smelt Monitoring: 2026-01-27

SWP & CVP Non-Clipped Older Juvenile Chinook Loss: 2026-01-08
SWP & CVP Non-Clipped Fry/Smolt Chinook Loss: 2026-01-26
SWP & CVP Non-Clipped Steelhead Loss: 2026-01-22
SWP & CVP Clipped Loss: 2026-01-26
SWP & CVP Exports: 2026-01-26