35 Ill. Adm. Code 501.295
Livestock Waste
Section 501
Section 501.295 Livestock
Waste
Manure, litter, process
wastewater, overflow from watering systems, wash waters, sprinkling waters from
livestock cooling, precipitation polluted by falling on or flowing onto an Animal
Feeding Operation, and other materials polluted by livestock, including soils
and sludges removed from livestock waste storage structures. Livestock waste
does not include agricultural stormwater discharge.