Erosion Control: Chicago vs Orland Park
How do erosion control rules compare between Chicago, IL and Orland Park, IL?
Orland Park has fewer restrictions than Chicago.
Chicago, IL
Cook County
Chicago requires erosion and sediment control for all construction activities under the Stormwater Management Ordinance (MCC 11-18) and the Chicago Building Code. Construction sites must implement erosion control plans to prevent sediment from entering the sewer system.
View full Chicago rules →Orland Park, IL
Cook County
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.
View full Orland Park rules →Key Facts Comparison
| Fact | Chicago | Orland Park |
|---|---|---|
| Code Section | MCC 11-18, Chicago Building Code | - |
| NPDES Trigger | 1+ acre disturbance requires IEPA permit | - |
| Required BMPs | Silt fence, inlet protection, stabilized entrances | - |
| Enforcement | Dept. of Water Management + IEPA | - |
| Fine Range | $500 - $1,000/day for non-compliance | - |
| WMO Threshold | - | 0.5 acre disturbance |
| NPDES Threshold | - | 1 acre disturbance |
| Standard Controls | - | Silt fence, inlet protection |
| Track-Out | - | Must clean Village streets |
| Stabilization | - | Required on disturbed soil |
Highlighted rows indicate differences between cities.
Chicago FAQ
What erosion control is required for construction in Chicago?
All construction must implement erosion and sediment control per MCC 11-18, including silt fencing, inlet protection, and stabilized construction entrances. Projects over 1 acre also need an NPDES permit from IEPA.
Who enforces erosion control in Chicago?
The Chicago Department of Water Management reviews and enforces erosion control plans. The Illinois EPA enforces NPDES permits for larger disturbed areas.
Orland Park FAQ
What erosion controls do I need on my construction site?
Sites disturbing 0.5 acres or more need a Soil Erosion and Sediment Control Plan with silt fence, inlet protection, and stabilized construction entrance. Sites disturbing 1 acre or more also need NPDES coverage.
What about a small home addition?
Small sites must still prevent sediment from leaving the property and clean any mud tracked onto Village streets. Building permit conditions typically address these requirements.
Who do I report a muddy construction site to?
Contact Orland Park Public Works at (708) 403-6350 or Code Enforcement at (708) 403-6150. Track-out onto Village streets is a frequent complaint trigger.
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