Grading in Champaign County answers to two systems: the ILR10 stormwater permit for one-acre disturbances, and the Illinois Drainage Code, since drainage districts and field tile blanket this flat farmland.
Earthmoving in Champaign County runs into two rules. First, disturbing one acre or more triggers Illinois EPA's ILR10 stormwater permit and its pollution-prevention plan. Second, drainage: much of the county lies inside organized drainage districts under the Illinois Drainage Code (70 ILCS 605), and thousands of acres drain through buried field tile. You cannot break, fill, obstruct, or reroute a district drain or regulated tile without the drainage commissioners' consent, and grading that dumps concentrated runoff onto a neighbor creates civil liability. Inside the cities, grading permits and drainage review apply through local engineering standards.
Grading an acre without ILR10 coverage, or cutting, filling, or obstructing a drainage-district drain or field tile without consent, brings enforcement, stop-work orders, and civil liability for the drainage damage caused.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Champaign County, IL
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