35 Ill. Adm. Code 301.275
Effluent
Section 301
Section 301.275Â Effluent
"Effluent" means any
wastewater discharged, directly or indirectly, to the waters of the State or to
any storm sewer, and the runoff from land used for the disposition of
wastewater or sludges, but does not otherwise include nonpoint source
discharges such as runoff from land or any livestock management facility or
livestock waste handling facility subject to regulation under Subtitle E.