Erosion Control: Arlington Heights vs Evanston

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.

When is an erosion control plan required in Evanston?

All construction projects involving soil disturbance require erosion and sediment control measures. Projects disturbing one acre or more also need an NPDES permit from the Illinois EPA with a Stormwater Pollution Prevention Plan.

What erosion controls are required on construction sites?

Perimeter silt fencing, storm drain inlet protection, stabilized construction entrances, and dust control are standard requirements. Disturbed areas must be stabilized within 14 days. Street sweeping is required when mud is tracked onto public roads.

Who enforces erosion control in Evanston?

Evanston Public Works and building inspectors enforce local requirements. The Illinois EPA enforces NPDES permit conditions. MWRD also has enforcement authority under its Watershed Management Ordinance.