The U.S. Environmental Protection Agency (EPA) issued the 2021 National Pollutant Discharge Elimination System (NPDES) Multi-Sector General Permit (MSGP) for stormwater discharges from industrial activity on January 15, 2021. This final permit will become effective on March 1, 2021 and
EPA’s Transportation Stormwater Permit (MS4) Compendium
EPA’s Transportation Stormwater Permit (MS4) Compendium Wednesday, February 3rd, 2:00-3:00 PM EST Click here to register Stormwater discharges from roadways, including those within defined urbanized areas, are often covered under the NPDES Municipal Separate Storm Sewer System (MS4) regulations. State