2918 25 STORMWATER 4825 Revised Final

8 municipal, agricultural, and construction waste or runoff, or other residue discharged directly or indirectly to the land, ground waters or surface waters of the State, or to a domestic treatment works. “Pollutant” includes both hazardous and nonhazardous pollutants. “Previously Developed” means those portions of a site covered by pavement, gravel, or dirt driveways, streets, roads and parking areas, gravel, pavement, buildings, impervious surfaces, lawns, or structures. Areas that simply have been (or have once been) cleared or vegetation are not considered previously developed if woody vegetation has been reestablished. Only those portions of a site that have been previously developed are exempt from the groundwater recharge requirements. "Public roadway or railroad" means a pathway for use by motor vehicles or trains that is intended for public use and is constructed by, or on behalf of, a public transportation entity. A public roadway or railroad does not include a roadway or railroad constructed as part of a private development, regardless of whether the roadway or railroad is ultimately to be dedicated to and/or maintained by a governmental entity. “Public transportation entity” means a Federal, State, county, or municipal government, an independent State authority, or a statutorily authorized public-private partnership program pursuant to P.L. 2018, c. 90 (N.J.S.A. 40A:11-52 et seq.), that performs a public roadway or railroad project that includes new construction, expansion, reconstruction, or improvement of a public roadway or railroad. “Recharge” means the amount of water from precipitation that infiltrates into the ground and is not evapotranspired. “Redevelopment” means an activity that results in the creation, addition, or replacement of impervious surface area on an already developed site. Redevelopment includes but is not limited to the expansion of a building footprint; addition or replacement of a structure or a portion of a structure regardless of footprint; and replacement of impervious surface area that is not part of a routine maintenance activity. If a project is a redevelopment project, all new impervious cover, whether created by adding to or replacing impervious cover that was in existence before the redevelopment occurs, shall be considered in calculating the requirements for stormwater management. However, any such new

d by adding to or replacing impervious cover that was in existence before the redevelopment occurs, shall be considered in calculating the requirements for stormwater management. However, any such new impervious cover that will drain into an existing stormwater best management practice that is to remain after the redevelopment and that meets current stormwater management requirements shall be deducted from the total amount of impervious surface that must be treated by new stormwater best management practices. In the case of a redevelopment project, the pre-developed land cover shall be wooded. Note: Routine Maintenance includes but is not limited to parking lot or driveway sealing or milling, roof repairs, replacement of a small number of boards on a deck. Routine Maintenance does not include complete replacement of deck boards or patio material.