No one in command of any vessel arriving in the Atchafalaya bay in less than five fathoms of water, having ballast on board, shall discharge any portion thereof into the bay, nor into water near thereto having a depth of less than five fathoms; the ballast of such vessels shall be discharged at such place or places as shall be designated to them, by the persons appointed to superintend the discharging of the ballast from on board all vessels that may come into the waters of the said bay.
Whoever violates the foregoing provisions as to the manner of discharging ballast, shall be punished by a fine not exceeding five hundred dollars and not less than two hundred dollars.