The water in any swimming pool used in conjunction with a commercial establishment or a multifamily establishment within the City shall be maintained to meet the following requirements:
   (a)   The acid-alkaline content of the water shall be maintained between a 7.2 and a 8.0 reading as indicated on the standard pH scale.
   (b)   The chlorine residual shall be maintained between four parts per million and seven parts per million as interpreted as being a .4 and .7 reading on standard chlorine testing equipment.
   (c)   The water shall be kept free of visible leaves, wood, paper or other debris.
(Ord. 1991-30. Passed 8-12-91.)