35 Ill. Adm. Code 604.1400
General Distribution System Requirements
Section 604.1400Â General Distribution System
Requirements
a)Â Â Â Â Â Â Â Â Water
distribution systems must be designed to maintain finished water quality.
b)Â Â Â Â Â Â Â Â The
community water supply must have a record keeping system to document the nature
and frequency of water main breaks.
c)Â Â Â Â Â Â Â Â The
system must be designed to meet existing demands on the distribution system.Â
Future distribution system demands must be taken into account.