Stormwater Management Program Plan

About

DuPage County Stormwater Management Program Plan is being provided for compliance with the Illinois Environmental Protection Agency General NPDES Permit No. ILR40 for Discharges from Small Municipal Separate Storm Sewer Systems. This plan outlines the County’s Stormwater Program and provides guidance and materials for use by municipalities, permit applicants, and other interested residents. 

Plan

Stormwater Management Program Plan

Appendices

• DuPage County Stormwater Management Plan
• DuPage County Countywide Stormwater Management and Flood Plain Ordinance
• Appendix J
• NPDES Permit No. ILR40
• DuPage County IDDE Technical Guidance
• Developing Your Stormwater Management Pollution Prevention Plan (EPA)
• Illinois Urban Manual
• DuPage County Good Housekeeping Checklist
• DuPage County Spill Response Plan
• DuPage County Watersheds
• Dry Well Detail
• Rain Garden Detail