15.36.020 PURPOSE. 
   The purpose of this chapter is as follows:
   A.   To regulate grading on private property in order to:
      1.   Control erosion;
      2.   Control sedimentation;
      3.   Protect water quality of watercourses, waterbodies, and wetlands;
      4.   Safeguard health, safety, and the public welfare.
   B.   To establish administrative procedures and enforcement procedures to carry out these regulations. (Ord. 486 (part), 1986).