35 Ill. Adm. Code 301.365
Publicly Owned Treatment Works
Section 301
Section 301.365Â Publicly
Owned Treatment Works
"Publicly Owned Treatment
Works" means a treatment works owned by a municipality, sanitary district,
county, or state agency, and which treats domestic and industrial wastes
collected by a publicly owned or regulated sewer system. Industrial treatment
works which are publicly owned and financed by bond issues of public agencies
are not included in this definition.