Environmental Rules in Orland Park, IL (2026)
4 verified environmental rules for Orland Park, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Orland Park stormwater management is governed by the Cook County Watershed Management Ordinance (WMO) administered by the Metropolitan Water Reclamation District of Greater Chicago (MWRD), as adopted and enforced locally by the Village. New development and substantial redevelopment must meet detention, water quality, and runoff volume standards. Smaller residential projects must manage runoff on-site without adversely impacting neighbors.
Orland Park Stormwater Management
Some RestrictionsErosion Control
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.
Orland Park Erosion & Sediment Control
Some RestrictionsFlood Zones
Orland Park participates in FEMA's National Flood Insurance Program and has adopted floodplain regulations consistent with FEMA standards. Development in mapped Special Flood Hazard Areas (Zones A and AE on the FEMA Flood Insurance Rate Map) requires a floodplain development permit. Lowest floor elevation must be at or above the regulatory flood protection elevation.
Orland Park Flood Zone Regulations
Heavy RestrictionsFEMA Flood Map Service Center — National Flood Insurance Program (NFIP) Official Source
FEMA Flood Map Service Center: Welcome! Looking for a Flood Map? Enter an address, a place, or longitude/latitude coordinates: Looking for more than just a current flood map? Visit Search All Products to access the full range of flood risk products for your community. About Flood Map Service Center The FEMA Flood Map Service Center (MSC) is the official public source for flood hazard informatio...
Grading & Drainage
Orland Park requires that grading and drainage on private property not adversely affect neighboring properties or Village streets and storm sewers. A grading permit may be required for substantial earthwork. The Village enforces drainage complaints under property maintenance and stormwater rules. Sump pump discharge to Village streets is regulated.
Orland Park Grading & Drainage Rules
Some RestrictionsLooking for Cook County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Orland Park city rules.
Environmental Rules in Cook County →