Conversion of gpm flow to dfu values.
Municipal Code of Chicago § 18-29-709.3
in effect18-29-709.3 Conversion of gpm flow to dfu values.
Where discharges to a waste receptor or to a drainage system are only known in gallons per minute (liters per second) values, the drainage fixture unit values for those flows shall be computed on the basis that 1 gallon per minute (0.06 L/s) of flow is equivalent to one drainage fixture unit.
(Amend Coun. J. 10-14-21, p. 37722, Art. VII, § 9; Amend Coun. J. 12-14-22, p. 58278, Art. VI, § 16)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692171Fetched: 10/24/2026
