The volume of water to be used for determining sewer charges or rentals shall include metered water purchased from the city, and in addition all water obtained from sources other than the city (wells, streams and the like), as determined from meters installed and maintained by the city, from meters installed and maintained by the property owners and approved by the city or from estimates or measurements made by the city, all as hereinafter set forth.
(Ord. 1225, passed 3-21-1977)