(a) Unpolluted water.
(1) No person shall discharge or cause to be discharged any unpolluted waters such as storm water, surface water, ground water, roof runoff, subsurface drainage, or cooling water to any sanitary sewer, unless specifically authorized by the city engineer.
(2) Storm water other than that exempted under subsection (a)(1) of this section and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as storm sewers to the street or to a natural outlet approved by the city engineer.
(3) Unpolluted industrial cooling water or process water may be discharged, on approval of the city engineer, to a storm sewer or natural outlet.
(b) Groundwater and sump pump discharge.
(1) Groundwater collected by building subdrains must discharge to the ground surface outside of the building, a storm drain, a sump pump collection system, or a natural outlet.
(2) No sump pump discharge to the ground surface shall create a hazard or a nuisance including, but not be limited to, ice accumulation on city streets, alleys, and sidewalks; damaging a city street or sidewalk; creating ponds of standing water or algae; or flowing over adjoining property.
(3) If a storm drain or sump pump collection system exists or is constructed adjacent to the property, the property owner shall be charged a permit fee and connect the sump pump or building subdrains to the storm sewer system.
(4) A sump pump collection system fee shall be paid whenever a connection is made to an existing collection system not constructed by the developer of the lot connecting to the system.
(1992 Code, § 41-116) (Ord. 47-81, passed 6-1-1981; Ord. 57-93, passed 7-12-1993; Ord. 102-96, passed 9-3-1996; Ord. 70-01, passed 7-9-2001; Ord. 13-05, passed 2-14-2005; Ord. 6-13, passed 3-5-2013; Ord. 19-21, passed 2-16- 2021)