Notwithstanding any other provision of law, all shellfish involved in any violation of law, including any regulation, regarding shellfish may be confiscated and disposed of at the discretion of the arresting officer. Any person convicted of a second offense of harvesting shellfish in any polluted area shall, upon such conviction, be fined not less than two hundred dollars and not more than five hundred dollars or imprisoned for not less than thirty days and not more than sixty days. Any person convicted of a third or subsequent offense of harvesting shellfish in any polluted area shall, upon such conviction, be fined not less than five hundred dollars and not more than one thousand or imprisoned for not less than sixty days and not more than ninety days. All equipment, including, but not limited to, vehicles, boats, motors, trailers, harvesting equipment, weapons, spotlights, bags, boxes, or tools, used or in any other manner involved in a first offense of harvesting shellfish in any polluted area may be impounded at the discretion of the arresting officer. The equipment impounded shall be delivered to the sheriff of the county in which the arrest was made and shall be retained by the sheriff. Such equipment may not be returned to the owner until the case has been finally disposed of. All equipment, including, but not limited to, vehicles, boats, motors, trailers, harvesting equipment, weapons, spotlights, bags, boxes, or tools, used or in any other manner involved in a second, third, or subsequent offense of harvesting shellfish in any polluted area shall be confiscated. All such confiscated equipment shall be sold at auction by the sheriff of the county in which such second, third, or subsequent offense took place and by a representative of the State Department of Health and Environmental Control, except for weapons, which, following confiscation, shall be disposed of in the manner set forth in Sections 16-23-50, 16-23-460, and 16-23-500.