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  2. National Pollutant Discharge Elimination System (NPDES)

Stormwater Discharges from Industrial Activities-Previous Versions of EPA's MSGP

Previous versions of EPA's Multi-Sector General Permit (MSGP) are shown below.

YearPermitFact SheetFederal Register NoticesDocket
2015 MSGP 2015 MSGP Permit (pdf) (3.39 MB) 2015 MSGP Fact Sheet (pdf) (790.71 KB) Federal Register NoticesEPA-HQ-OW-2012-0803
2008 MSGP 2008 MSGP Permit (pdf) (4.51 MB) 2008 MSGP Fact Sheet (pdf) (1.21 MB) Federal Register NoticesEPA-HQ-OW-2005-0007
2000 MSGPIncluded in Federal Register NoticeIncluded in Federal Register Notice Federal Register Notice (pdf) (1.31 MB) Not available online
1995 MSGPIncluded in Federal Register NoticeIncluded in Federal Register Notice Federal Register Notice (pdf) (4.59 MB) Not available online
1990 rulemaking that established regulatory requirements for stormwater discharges associated with industrial activity Federal Register Notice (pdf) (71.88 MB) (FRN page 47990 or PDF page 162)Not available online

<< Return to main Stormwater Discharges from Industrial Activities webpage.

National Pollutant Discharge Elimination System (NPDES)

  • About NPDES
    • Permit Basics
    • State Program Information
    • Permit Limits
    • Program Management and Oversight
    • NPDES Regulations
    • Other Federal Laws that Apply to the NPDES Permit Program
  • All NPDES Program Areas
    • Animal Feeding Operations
    • Aquaculture
    • Forest Roads
    • Industrial Wastewater
    • Municipal Wastewater
      • Combined Sewer Overflows (CSOs)
      • Sanitary Sewer Overflows (SSOs)
      • Peak Flows
      • Integrated Planning
    • National Pretreatment Program
      • Standards and Requirements
      • Roles and Responsibilities
      • Events, Training and Webinars, and Publications
    • Pesticide Permitting
    • Stormwater
      • Construction Activities
      • Industrial Activities
      • Municipal Sources
      • Transportation Sources
      • Oil and Gas Permitting
      • Stormwater Planning
      • EPA's Residual Designation Authority
      • Rules and Notices
    • Water Quality Trading
  • NPDES Technical Resources
    • Resources for Permit Writers
    • NPDES Permit Writers' Manual
    • NPDES Training
    • Tools
    • Electronic Notice of Intent (eNOI)
    • NPDES Applications and Forms
Contact Us About NPDES
Contact Us About NPDES to ask a question, provide feedback, or report a problem.
Last updated on July 10, 2025
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