923.09 ADDITIONAL REQUIREMENTS.
   (a)   Residential Garage Floors. Residential garage floors shall drain to the outside under the garage door or to a storm sewer drain in the garage floor.
   (b)   Surface Drains. Surface drains shall be constructed along the foot of any of the natural ridges to control the flow of spring waters.
   (c)   Additional Footer Tile. Additional footer tile shall be installed at the low point of any footer located in ground indicated as a severe limitation for homesites.
   (d)   Roof Gutters. Roof gutters shall be required on all roofs above and within eight feet of any basement or crawl space. Roof water diverters or gutters are required on roofs over walkways and driveways. Downspouts are required on gutters and drained into storm sewers or onto pavement without drainage across unpaved yards or walkways to a storm sewer and shall not drain into sanitary sewers or footer tile.
   (e)   Drainage to Sanitary Sewer Prohibited. None of the following shall be drained to a sanitary sewer: storm water, basement floor drains without a trap primer, garage floor drains, footer tile, area wells, storm water or subsurface water sump pumps, air conditioner condenser water to a floor drain or to the sanitary sewer pipe without a trap primer.
   (f)   Footing Drain Discharge. Where footing drain discharge is deposited upon the surface of the ground, the place of deposit shall be in that yard area that drains directly to a street, road or ditch, or to the yard area which contains a drainage easement. Discharge of such water upon the surface of the ground shall be carried not less than eight feet from the foundation of walls by means of splash blocks which shall be installed at the time of construction. Footing drain discharge shall not be permitted to a roadway unless an adequate road ditch exists to receive such discharge. Footing drain discharge shall not be directed to, over or through a road curb.
   (g)   Sump Pumps. Sump pumps shall not discharge onto a street pavement or within an area that could puddle and freeze on the pavement.