No person shall do or permit to be done any grading or other construction activity in such a manner that quantities of dirt, soil, rock, debris or other natural or construction materials, substantially in excess of natural levels, are washed, eroded or otherwise moved from the site or discharged to SEZs either on or off of the site, except as specifically provided for by a permit. In no event shall grading activities cause or contribute to the violation of provisions of any applicable NPDES storm water discharge permit.
(Ord. 1000 § 1; Code 1997 § 36-4)