Dan Colby, project resource manager for the San Gabriel Basin Water Quality Authority, says on Wednesday, July 20, 2016 that the VOC treatment at the well site in La Puente, owned by San Gabriel Valley Water Company, will be shut down after a new comprehensive water treatment plant is built by Northrop Grumman on a former redevelopment site in Industry. Northrop Grumman is building a comprehensive water treatment plant at this former redevelopment site in Industry.