Unless otherwise provided, any person who is convicted of violating or who is convicted of aiding or abetting a violation of any of the provisions of this chapter dealing with waters other than the harbor shall be guilty of a civil infraction and punished by a fine not to exceed $500.00; provided, that violations of BMC 12.12.280 shall be punishable as provided in that section; and provided further, that offenses described in the following sections are classified as misdemeanors and punishable by imprisonment for a maximum term of 90 days and a fine of not more than $1,000 or by both such imprisonment and fine: