Sec. 5.1. Class definitions.
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/il/chapter-415/act-45/5-1A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Sec. 5.1. Class definitions. Except as otherwise provided by Agency rules adopted pursuant to subsection (2.5) of Section 1 of this Act:
"Class A community water supply" means
(i)any surface water community water supply and
(ii)any community water supply that includes coagulation, lime softening, ultraviolet disinfection, membrane filtration, or sedimentation as a part of its primary treatment.
"Class B community water supply" means any community water supply that includes filtration (other than membrane filtration), aeration and filtration (other than membrane filtration), or ion exchange equipment as a part of its primary treatment.
"Class C community water supply" means any community water supply that uses chemical feeding as its only form of treatment.
"Class D community water supply" means any community water supply that has only pumpage, storage, or distribution facilities.