City of Napa Water Main Damaged During Construction

January  30, 2014


Around noon on Thursday, January 30, construction crews excavating at Napa Sanitation District’s wastewater treatment plant damaged a 36 inch water main carrying water from Jameson Canyon Water Treatment Plant to the City of Napa. The pipeline route had been marked prior to construction work, but the pipeline damaged was located 20 feet away from the marked route.

City of Napa temporarily shut down the 36 inch pipe to allow water to be pumped from the excavation in order to assess the extent of damage to the pipe. Water service to the City of Napa will continue through a 24” pipeline.

The excavation is part of a project to construct a new influent pump station at NSD’s treatment plant. City and District staffs are working cooperatively to address the broken water pipeline.

 Napa Sanitation District (NSD) provides wastewater collection, treatment, and disposal services to the residents and businesses in the City of Napa, Silverado Country Club, the Napa County Airport and several adjacent unincorporated areas. NSD also provides recycled water service to portions of southern Napa County. Covering 20 square miles, NSD has been serving the community since November 1945. For further information about the District, please see

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