Water distribution pipe.
Municipal Code of Chicago § 18-29-605.5
in effect18-29-605.5 Water distribution pipe.
Water distribution pipe shall conform to NSF 61 and shall conform to one of the standards listed in Table 18-29-605.5. All hot water distribution pipe and tubing shall have a minimum pressure rating of 100 psi (690 kPa) at 180°F (82°C).
(Amend Coun. J. 6-17-26, p. 45214, Art. IV, § 59)
Table 18-29-605.5
Water Distribution Pipe
Material | Standard
Material | Standard
Brass pipe | ASTM B43
Chlorinated Polyvinyl Chloride (CPVC) plastic pipe and tubing a | ASTM D2846; ASTM F441; ASTM F442; CSA B137.6
Polypropylene (PP) plastic pipe and tubing a | ASTM F1412
PVDF plastic pipe and tubing a | ASTM F1412
Copper or copper-alloy pipe | ASTM B42; ASTM B302
Copper or copper-alloy tubing (Type K, L, or M) | ASTM B74; ASTM B88; ASTM B251; ASTM B447
Galvanized steel pipe | ASTM A53
a. For secondary water used in process applications only.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2691531Fetched: 10/24/2026