Manufactured Treatment Devices (MTDs) in New Jersey, NJDEP MS4 Inventory and Mapping

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.水质司下属的面源污染控制局核发新泽西州污染物排放消除系统 (New Jersey Pollutant Discharge Elimination System) 通用许可，准许A级、B级市政当局、公共综合设施，以及通过市政独立雨水排水系统（Municipal Separate Storm Sewer Systems，MS4s）排放雨水的公路管理机构开展雨水排放活动。根据2017年核发的MS4许可中第四部分C.1与C.2项的强制要求，被许可方需制定、更新并维护至少包含第四部分C.1.b条所划定、且位于其辖区内的雨水设施的清单与地图。A级市政当局还需制定、更新并维护一张排污口管线地图，标注所有排入地表水体的MS4排污口管线末端的具体位置。