With respect to all persons using water from the city water supply system for industrial or commercial purposes and the water so used is not discharged into the sewerage system of the city, the quantity of water so used and not discharged into the city sewers shall not be considered when computing the sewer service charge provided for in § 50.110, but shall be paid for at the rate fixed for water service only; provided, that the water used for such industrial or commercial purposes and not discharged into the city sewer system shall be measured by meter or other approved device, or where, in the opinion of the Water Resources Director, it is not practical to install a measuring device to determine the quantity of water not discharged into the city sewers, he or she shall determine, as water bills are rendered, in such manner and by such method as he or she may prescribe, the percentage of metered water not discharged into the city sewers, and for such quantities the sewer service charge shall not be charged.
('69 Code, § 23-60) (Ord. 177, passed 7-14-47; Am. Ord. 57 ORD 11-07, passed 11-8-07; Am. Ord. 42 ORD 9-09, passed 9- 10-09)