The Sacramento River's aquatic environment sustains a wide variety of fish species, both resident and anadromous. The river's physical characteristics vary with location; the river serves primarily as a warm-water fishery downstream and as a cold-water fishery upstream of Colusa. The fishery resources of the Sacramento River have been negatively impacted by man's activities within the Basin. These activities include:...

A map of project levees, maintenance entities, non-project levees, reclamation and levee districts, and channel capacities.