Lower Northwest Interceptor-West Sacramento Force Main

The West Sacramento Force Main (WSFM) crosses the northern portion of the City of West Sacramento and consists of two 60-inch diameter pipes. The WSFM connects the Northern Sacramento River Crossing to the West Sacramento Transition Structure located near Linden Road. Photo courtesy EPC Consultants Inc. and Sacramento Regional County Sanitation District LNWI Program.

The Lower Northwest Interceptor route begins in Natomas and continues through the City of West Sacramento, through rural Yolo County and ends in Sacramento County at the Sacramento Regional Wastewater Treatment Plant (SRWTP) in Elk Grove.