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Lake County, Illinois

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Lake County Stormwater Management Commission

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  5. NPDES Phase II
  6. Lake County NPDES MS4 Program

Lake County NPDES MS4 Program

  • Lake County Stormwater Management Program Plan (PDF)
  • Notice of Intent for Years 1-5 (PDF)
  • Notice of Intent for Years 6-10 (PDF)
  • Notice of Intent for Years 11-15 (PDF)
  • Year 1 Annual Facilities Inspection Report (PDF)
  • Year 2 Annual Facilities Inspection Report (PDF)
  • Year 3 Annual Facilities Inspection Report (PDF)
  • Year 4 Annual Facilities Inspection Report (PDF) 
  • Year 5 Annual Facilities Inspection Report (PDF)
  • Year 6 Annual Facilities Inspection Report (PDF)
  • Year 7 Annual Facilities Inspection Report (PDF)
  • Year 8 Annual Facilities Inspection Report (PDF)
  • Year 9 Annual Facilities Inspection Report (PDF)
  • Year 10 Annual Facilities Inspection Report (PDF)
  • Year 11 Annual Facilities Inspection Report (PDF)
  • Year 12 Annual Facilities Inspection Report (PDF)
  • Year 13 Annual Facilities Inspection Report (PDF)
  • Year 14 Annual Facilities Inspection Report (PDF) 
  • Year 15 Annual Facilities Inspection Report (PDF)


  1. Annual Reporting Template
  2. Notice of Intent (NOI)
  3. Stormwater Management Program Plan (SMPP)
  4. Total Maximum Daily Loads (TMDL)
  5. Lake County MS4 Community Information WebMap
  6. Lake County NPDES MS4 Program
  7. LCDOT Construction Permit Documents
  8. LC Public Works Construction Permit Documents
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Lake County, Illinois

Contact Us

  1. Lake County Stormwater 
    Management Commission
    500 W Winchester Road
    Suite 201
    Libertyville, IL 60048
    Phone 847-377-7700 

    Contact Us
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  5. Des Plaines River Watershed Workgroup (DRWW)
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