Section 321.12. Drainage.

 

(1)   Grade. The finished grade of the soil shall slope away from the dwelling at a rate of at least 1/2 inch per foot for at least 10 feet, except as provided in subs. (2) and (3) .

(2)   Other surfaces. Where the finished surface is impervious, it shall slope away from the dwelling for at least 10 feet at a rate that ensures equivalent drainage.

(3)   Obstructions. Where lot lines, walls, slopes, or other barriers prevent having the 10-foot distance in sub. (2) , swales or other means shall be provided to ensure equivalent drainage away from the dwelling.

Cr. Register, November, 1979, No. 287 , eff. 6-1-80; CR 02-077 : am. Register May 2003 No. 569 , eff. 8-1-03; CR 15-041 : renum. 321.12 to 321.12 (1) and am., cr. 321.12 (title), (2), (3) Register December 2015 No. 720 , eff. 1-1-16.