Apr. 23, 2020 Proposed 2020 MSGP

EPA Extends Comment Period

On March 2, 2020, all ten of the Environmental Protection Agency's (EPA) Regions proposed for public comment the 2020 National Pollutant Discharge Elimination System (NPDES) general permit for stormwater discharges associated with industrial activity, also referred to as the “2020 Multi-Sector General Permit (MSGP)” or the “proposed permit.”

As initially published in the Federal Register, comments on the proposed permit were to be submitted to the EPA on or before May 1, 2020 (a 60-day public comment period). Since publication, the EPA received multiple requests for additional time to submit comments. Therefore, the EPA extended the public comment period for 30 days. This proposed permit will be open for public comment from March 2, 2020 to May 31, 2020. Comments can be submitted on for docket ID # EPA-HQ-OW-2019-0372 (

For more information, visit EPA’s Industrial Stormwater website: