Erosion Control: Arlington Heights vs Tinley Park
How do erosion control rules compare between Arlington Heights, IL and Tinley Park, IL?
Arlington Heights and Tinley Park have similar restriction levels.
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 →Tinley Park, IL
Cook County
Tinley Park requires erosion and sediment control measures on construction sites disturbing soil under MWRD Watershed Management Ordinance standards. Silt fence, inlet protection, construction entrance stabilization, and permanent stabilization within 14 days of final grading are typical requirements. Projects disturbing 1 acre or more require Illinois EPA NPDES Construction General Permit coverage.
View full Tinley Park rules →Key Facts Comparison
| Fact | Arlington Heights | Tinley Park |
|---|---|---|
| Plan Required | When disturbing 5,000+ sq ft | - |
| NPDES Permit | Required for 1+ acre disturbance | 1+ acre disturbance |
| Silt Fence | Required on downslope perimeter | Perimeter required |
| Stabilization Deadline | 14 days after final grading | - |
| Performance Bond | May be required for large projects | - |
| Inlet Protection | - | All nearby drains |
| Stabilization | - | Within 14 days |
| Inspections | - | Weekly + after rains |
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.
Tinley Park FAQ
Does my home project need erosion controls?
Any construction with soil disturbance should include silt fence and inlet protection downstream. Projects over 1 acre require Illinois EPA NPDES permit coverage with formal SWPPPs and inspections.
What BMPs does Tinley Park require?
Silt fence, stabilized construction entrances, inlet protection, and stabilization of inactive areas within 14 days. Final stabilization must occur within 14 days of final grading.
Can I do my own erosion control inspection?
For small residential projects, yes. NPDES-permitted projects over 1 acre require a qualified SWPPP inspector to perform weekly and post-rain inspections with documented reports.
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