NJ Department of Environmental Protection (NJDEP), Division of Information Technology (DOIT), Bureau of Geographic Information Systems (BGIS)The Bureau of Nonpoint Pollution Control within the Division of Water Quality issues NJPDES general permits authorizing discharges from Tier A and Tier B municipalities, as well as public complexes, and highway agencies that discharge stormwater from Municipal Separate Storm Sewer Systems (MS4s). As a required in Part IV.C.1&2 of the MS4 permit issued in 2017, permittees are required to develop, update, and maintain an inventory and map of, at a minimum, stormwater facilities identified in Part IV.C.1.b and located within the municipality. Tier A Municipalities are required to develop, update, and maintain an outfall pipe map showing the location of the end of all MS4 outfall pipes which discharge to a surface water body.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/eab06330eac746e38fd7c0fa47a5163f_0engNew Jersey Department of Environmental Protection's (NJDEP) Bureau of GISPublicStormwater Management Basins in New Jersey, NJDEP MS4 Inventory and Mapping [New Jersey]Web servicesNew JerseyLast Modified: 2025-09-23