There is hereby established a wellhead protection overlay district identified and described as all the area within the ten (10) year or twenty (20) year TOT district around public water supplies as shown on the official zoning map. It is further established that these areas be composed of two (2) districts, "wellhead protection overlay district I" and "wellhead protection overlay district II", as they are defined in this chapter. The board of commissioners may record with the county recorder's office a metes and bounds description of the wellhead protection overlay district. (Ord. 620, 1-10-2008)