No person shall dump or deposit any dredgings into any watercourse within the City or any watercourse which enters into the City. All dredgings must be deposited on suitable land sites or placed within specially built retaining structures so designed as to be able to contain all the dredgings without an overflow of the solids into the watercourse. All proposed dredging operations shall be submitted in writing to the Superintendent of Water Pollution Control. Such description shall contain the time, date, location, method, quantity, and proposed method of disposal of the dredging operation. Upon written approval of the Superintendent of Water Pollution Control, the dredging shall proceed as described under inspection of the water Pollution Control Department. (Ord. 19-91. Passed 3-18-91.)