Erosion Control: Des Plaines vs Orland Park
How do erosion control rules compare between Des Plaines, IL and Orland Park, IL?
Des Plaines and Orland Park have similar restriction levels.
Des Plaines, IL
Cook County
Construction sites in Des Plaines disturbing 1/2 acre or more must implement erosion and sediment control measures under the MWRD Watershed Management Ordinance. Sites disturbing 1 acre or more must obtain Illinois EPA NPDES coverage under General Permit ILR10 with a Stormwater Pollution Prevention Plan.
View full Des Plaines 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 | Des Plaines | Orland Park |
|---|---|---|
| BMP Threshold | 1/2 acre | - |
| NPDES Threshold | 1 acre | 1 acre disturbance |
| Permit | IL EPA ILR10 | - |
| SWPPP | Required >1 acre | - |
| Trackout | Must be cleaned | - |
| WMO Threshold | - | 0.5 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.
Des Plaines FAQ
Do I need erosion control for a home addition?
Smaller projects below 1/2 acre disturbance still must manage soil and prevent sediment from leaving the site. Larger projects must implement formal erosion control plans approved by City Engineering.
When do I need an Illinois EPA permit?
Construction projects disturbing 1 acre or more of land must obtain NPDES coverage under General Permit ILR10 and prepare a Stormwater Pollution Prevention Plan.
What about sediment tracked onto the street?
Trackout from construction sites onto public streets is prohibited and must be cleaned promptly. Stabilized construction entrances are required to minimize trackout.
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.
Compare other topics
See how Des Plaines and Orland Park compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool