Green Infrastructure 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.水质司下设的非点源污染控制局核发新泽西州污染物排放消除系统（NJPDES）通用许可，授权A级、B级市镇、公共综合体以及公路管理机构通过城市独立雨水排水系统（Municipal Separate Storm Sewer Systems，MS4s）排放雨水。根据2017年核发的MS4许可第四部分C小节第1、2条的规定，被许可方需编制、更新并维护一份清单与地图，至少涵盖第四部分C小节1.b中规定的、位于该市政辖区内的雨水设施。A级市镇需编制、更新并维护一份排放口管道地图，标注所有接入地表水体的MS4排放口管道末端位置。