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Minnesota Stormwater Manual
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  • Regulatory Information
    • Water Governance in Minnesota
    • Construction Stormwater Program
    • MS4 Program
    • Industrial Stormwater Program
    • Total Maximum Daily Load (TMDL) guidance for permittees
    • Minimal Impact Design Standards (MIDS)
  • About Stormwater
    • Basic stormwater concepts
    • Stormwater pollutants and sources
    • Stormwater pollutant transport and treatment mechanisms
    • Snowmelt and winter runoff
  • Stormwater Management
    • Stormwater management concepts and concerns
    • Stormwater Best Management Practices (BMPs)
    • Comprehensive approaches to stormwater management
    • Design and maintenance for winter runoff management
  • Hydrology, Soils, and Vegetation
    • Soil health, assessment, and management
    • Guidance on vegetation for stormwater management
    • Stormwater models & modeling guidance
    • Precipitation and climate
  • Design, Assessment, Maintenance
    • Design Guidance for Stormwater BMPs
    • Assessing the performance of stormwater BMPs
    • Credits for stormwater volume and pollutant reductions
    • Stormwater monitoring objectives and methods
    • Operation and maintenance of stormwater BMPs
  1. Guidance for MS4 Permittees

MS4 General Permit, Technical Assistance and Resources

MPCA MS4 Technical Assistance

  • 2017 MS4 Technical Assistance and Outreach Needs Survey Results
  • Green Communities A guidebook for developing clean water projects with Homeowners’ Associations - Washington Conservation District
  • MS4 Case Studies
  • MS4 Webinars and Videos
  • MPCA MS4 Staff Contact Information
  • MS4 Staff Site Plan Review Guidance
  • MPCA MS4 Website

Other Resources and Documents

  • Acknowledgements to Contributors
  • MS4 Outreach Photo Library
  • Pond, Lake, and Wetland Inventory
  • Stormwater and Wetlands - Planning and Evaluation Guidelines
  • Untreated Stormwater Runoff to Lakes, Streams, and Wetlands

Guidance for MS4 Permittees

  • 2020 MS4 General Permit
  • Minimum Control Measures
  • MS4 Annual Report
  • MS4 individual and past permits
  • MS4 audit guidance
  • Technical assistance and resources for MS4s
    • MS4 case studies
    • MS4 fact sheets
  • MS4 staff contacts
  • Acknowledgements
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