77 Ill. Adm. Code 370.2030
Sewage Disposal
Section 370
Section 370.2030Â Sewage
Disposal
a)Â Â Â Â Â Â Â Â All sewage and liquid wastes shall be discharged into a public
sewage system when available.
b)Â Â Â Â Â Â Â Â When a public sewage system is not available, sewage and
liquid wastes shall be collected, treated, and disposed of in a private sewage
disposal system. The design, construction, maintenance, and operation of the
system shall comply with the "Private Sewage Disposal Licensing Code"
(77 Ill. Adm. Code 905), as amended.