"Publicly Regulated Treatment Works" means otherwise private companies that are regulated as public utilities engaged in the disposal of domestic and industrial wastes and regulated by the Illinois Commerce Commission under the Public Utilities Act [220 ILCS 5 ].
Ill. Admin. Code tit. 35, § 301.370
Amended at 3 Ill. Reg. No. 25, page 190, effective June 21, 1979