77 Ill. Adm. Code 820.120
Wastewater Disposal
Section 820
Section 820.120Â Wastewater
Disposal
a)Â Â Â Â Â Â Â Â Sewage generated from the operation of a swimming facility
shall discharge to a public sanitary sewer or to a system that complies with
the Department's Private Sewage Disposal Code.
b)Â Â Â Â Â Â Â Â Deck or surface area drainage water may be discharged directly
to storm sewers, natural drainage areas, or the ground surface. Drainage shall
not result in nuisance conditions that create an offensive odor, produce a
stagnant wet area, or create an environment for insect breeding.
c)Â Â Â Â Â Â Â Â Wash or backwash water from filters shall be discharged to
natural drainage areas, sanitary sewers, storm sewers, or to the ground surface
in a manner that does not result in a nuisance condition.