Boswell was responsible for the preparation of a survey grade GIS database of the Passaic Valley Sewerage Commission’s plant and ancillary facilities including all assets along an existing 22-mile main interceptor and 15-miles of branch interceptor. The asset inventory included the location and GIS data creation of over 580 manholes, 46 active CSO regulator chambers, 20 deactivated CSO regulator chambers, 5.5-miles of outfall line w/ three shafts and two pump stations.