River Conditions Inventory: SacPAS Sacramento Prediction and Assessment of Salmon and other fishes

On Saturday, October 18, 2025, the website will be unavailable for several hours for system maintenance.

River Conditions Inventory

Sacramento R at Colusa
Basin: SACRAMENTO RIVER
Site Code: COL
Primary Source: CDEC
Operator: USGS/DWR
Elevation: 50
Inventory of all Parameters in SacPAS
Location	Parameter	Year Range	View
COL	River Discharge Flow	1984-2025	Year Details	All Locations
COL	River Stage	1984-2025	Year Details	All Locations