Erosion and sediment control in Orland Park follows the Cook County Watershed Management Ordinance and Illinois EPA NPDES Construction Stormwater General Permit. Sites disturbing 0.5 acres or more require erosion control measures including silt fence, inlet protection, and stabilized construction entrances. Smaller sites must still prevent sediment from leaving the property.
Construction sites in Orland Park that disturb 0.5 acres or more must implement a Soil Erosion and Sediment Control Plan under the Cook County Watershed Management Ordinance. Sites disturbing 1 acre or more also require coverage under the Illinois EPA NPDES ILR10 Construction Stormwater General Permit, which requires a Stormwater Pollution Prevention Plan (SWPPP) and notice of intent. Standard control measures include perimeter silt fence, inlet protection on storm drains, stabilized construction entrances to prevent track-out onto streets, and prompt stabilization of disturbed soil with seed or mulch. Concrete washout, fueling, and chemical storage areas require containment. Smaller sites such as residential additions and home construction must still prevent sediment from leaving the property under the Village's general nuisance and drainage provisions. Mud tracked onto Village streets must be cleaned promptly. The Village inspects active construction sites for compliance, particularly in active subdivisions and along the LaGrange Road corridor.
Failing to maintain erosion controls may result in stop-work orders, fines from $75 per day, and corrective orders. Mud and sediment discharged to Village streets or storm sewers may trigger environmental violations under the federal NPDES program with significant penalties. Contact Public Works at (708) 403-6350.
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Side-by-side rule comparisons with other cities in Cook County.
See how other cities in Cook County handle erosion control.
See how Orland Park's erosion control rules stack up against other locations.
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