Beyond mowing height, Illinois law makes controlling noxious weeds a legal duty. The Illinois Noxious Weed Law requires every owner across Champaign County to eradicate listed species like Canada thistle, giving cities and the county authority to abate and lien.
Overgrown grass is a local nuisance; noxious weeds are a state obligation. The Illinois Noxious Weed Law (505 ILCS 100) requires every person to control and eradicate designated noxious weeds, including Canada thistle and other species on the Department of Agriculture list, on land they own or control. Champaign, Urbana, and Rantoul fold this into their nuisance codes, and the county mails abatement notices to owners of overgrown unincorporated lots, especially vacant parcels edging the surrounding farmland. Crews clear non-compliant properties and bill the cost back to the owner as a lien.
The city or county issues notice to control listed weeds. Ignore it and crews abate the property, charging labor and fees to the owner and recording an unpaid balance as a lien.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Champaign County, IL
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See how Champaign County's weed ordinances rules stack up against other locations.
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