Water must be of such quality that, with treatment consisting of coagulation, sedimentation, filtration, storage, and chlorination, or other equivalent treatment processes, the treated water meets all requirements of 35 Ill. Adm. Code 611.
Ill. Admin. Code tit. 35, § 302.303
Amended at 36 Ill. Reg. 18871, effective December 12, 2012