Arlington Heights vs Oak Lawn
How do erosion control rules compare between Arlington Heights, IL and Oak Lawn, IL?
Arlington Heights has fewer restrictions than Oak Lawn.
Arlington Heights, IL
Cook County
Arlington Heights requires erosion and sediment control measures on all construction sites. Soil erosion and sediment control plans must be submitted with building permit applications for projects that disturb more than 5,000 square feet of earth. Silt fencing, stabilized construction entrances, and sediment basins are among the required best management practices.
View full Arlington Heights rules →Oak Lawn, IL
Cook County
Construction sites in Oak Lawn must implement erosion and sediment control measures to prevent discharge of sediment to storm sewers and neighboring properties. Projects disturbing 1 acre or more require an IEPA NPDES construction permit. MWRD WMO requires controls at 0.5 acres.
View full Oak Lawn rules →Key Facts Comparison
| Fact | Arlington Heights | Oak Lawn |
|---|---|---|
| Plan Required | When disturbing 5,000+ sq ft | - |
| NPDES Permit | Required for 1+ acre disturbance | - |
| Silt Fence | Required on downslope perimeter | Perimeter |
| Stabilization Deadline | 14 days after final grading | - |
| Performance Bond | May be required for large projects | - |
| IEPA Permit | - | 1+ acre |
| MWRD WMO | - | 0.5+ acre |
| Tracking Pad | - | Construction entrance |
| Stabilization | - | 7-14 days final grade |
Highlighted rows indicate differences between cities.
Arlington Heights FAQ
When do I need an erosion control plan in Arlington Heights?
An erosion and sediment control plan is required when your project will disturb more than 5,000 square feet of earth. Submit the plan with your building permit application to Community Development.
What erosion control measures are required?
Common required measures include silt fencing, stabilized construction entrances, storm drain inlet protection, and temporary seeding or mulching of exposed soils. The specific measures depend on site conditions and project scope.
Do I need a separate state permit for erosion control?
If your project disturbs one acre or more, you must obtain an NPDES permit from the Illinois EPA in addition to local erosion control requirements. Contact IEPA for the permit application.
Oak Lawn FAQ
Do I need erosion controls for my home project?
Yes. Even small projects must prevent sediment discharge to streets, storm sewers, and neighboring properties. Silt fence and inlet protection are standard.
What triggers an IEPA permit?
Disturbance of 1 acre or more requires an Illinois EPA NPDES Construction General Permit with a SWPPP.
What if I track mud onto the street?
You are responsible for cleanup. Oak Lawn may issue a notice requiring immediate street cleaning, and repeated incidents may result in fines.
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