Skokie, IL Environmental Rules: Erosion Control (2026)

Construction sites in Skokie disturbing 1 acre or more must obtain IEPA NPDES construction general permit coverage and implement a Stormwater Pollution Prevention Plan (SWPPP) with erosion and sediment controls. The Cook County Watershed Management Ordinance (WMO) imposes additional local erosion control requirements administered through Village plan review. For smaller sites, Skokie Public Works reviews grading plans and typically requires silt fencing around disturbed areas, storm inlet protection, stabilized construction entrances where practical, and prompt stabilization of disturbed soil (typically within 14 days of final grading). Contractors must prevent tracking of soil onto streets and must clean any sediment deposited on the public right-of-way. Illicit discharges such as concrete washout water and vehicle washing must be contained on-site and properly disposed. The Village may require bonding or escrow for significant construction projects to ensure restoration. Residential homeowner projects including landscaping that disturb soil should still implement reasonable erosion control such as mulching and temporary matting.