Doty North Canal Siphon #1 Replacement Project

Nevada Irrigation District’s Doty North Canal Siphon #1 Replacement Project involves the replacement of an existing raw water transmission siphon that is in poor condition and has reached the end of its useful life.  As part of the Project, the existing 24-inch raw water siphon crossing over Doty Ravine and Sailors Ravine would be removed and replaced with a new 350-foot long, 36-inch-diameter welded steel inverted siphon pipe.  The new pipe would convey Doty Ravine North Canal raw water across Doty and Sailors Ravine consistent with the District’s approved masterplan design flow rate of 34 cubic feet per second (cfs).

System demands and operational constraints limit when the existing Siphon can be taken off line for replacement.  This requires that construction occur after the irrigation season.  As such, construction is currently planned to begin on or about October 15, 2020 and should take approximately 6 weeks to construct.  The Project is located in southern Placer County.

The draft IS/MND is currently available for public review and public comment will close on March 21, 2020.  The draft document is available on the NID website and a hard copy is available for review at the District’s main office located at 1036 W. Main Street in Grass Valley.