If a lot, parcel of land, building or premises discharging sanitary sewage, industrial wastes, water or other liquids into the City's sewerage system, either directly or indirectly, is an industry and it can be shown to the satisfaction of the City Manager that a portion of the water, as measured by the water meter or meters, does not and cannot enter the sewerage system, the City Manager may determine, in such manner and by such method as he or she may find practicable, the percentage of metered water entering the sewerage system, and the quantity of water used to determine the sewer charge shall be that percentage, so determined, of the quantity of water measured by the water meter or meters.
(Ord. 3668.  Passed 6-18-85.)