North Bay Aqueduct

[1] The aqueduct is 27.4 miles (44.1 km) long all in pipelines and serves Napa and Solano counties, California.

Initial North Bay Aqueduct water service went to Benicia and Vallejo.

The North Bay Aqueduct is an underground pipeline that runs from Barker Slough in the Sacramento-San Joaquin River Delta to Cordelia Forebay, just outside Vallejo.

The NBA is operated remotely by the State Department of Water Resources (DWR) at the Delta Field Division office near Tracy.

[4] The North Bay Aqueduct has been used to meet with salinity objectives in the western Suisun Marsh by pumping water at Barker Slough and releasing it into Green Valley Creek, and the flow is effective in lowering salinity.

Restoration efforts are conducted in order to protect endangered fish species.

The major State Water Project facilities that deliver water to the North Bay Aqueduct include: The beginning of the North Bay Aqueduct starts at Barker Slough Pumping Plan, which is located at the northwest end of the Sacramento-San Joaquin Delta.

The plant has three separate discharge pipelines that delivers water from Barker Slough to Napa County, Vallejo, and Benicia.

[3] Levels of turbidity is influenced by the run-off from Baker Slough and is highest at the end of winter seasons.

Water sheds and storage that they oversee are North Bay Aqueduct, Solano Project, and Putah Creek.