Identification of potable and nonpotable water.
Municipal Code of Chicago § 18-29-608.8
in effect18-29-608.8 Identification of potable and nonpotable water.
In all buildings where two or more water distribution systems (one potable water and the other nonpotable water) or secondary water distribution systems are installed, each system shall be identified either by color marking or metal tags as required by ASME A13.1.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2691772Fetched: 10/24/2026
