It shall be unlawful and a misdemeanor for any person, firm, corporation, association or organization to push, fell or cut trees, in excess of six (6) inches in diameter, into a running stream, or deposit or leave in a running stream, trees, in excess of six (6) inches in diameter, logs in excess of six (6) inches in diameter or tree tops, without removing the same immediately, in such cases where such will materially impede the flow of or navigation upon such running stream.
Any violation of this section shall be punishable by a fine of not less than twenty-five dollars ($25.00) and not more than two hundred dollars ($200.00).
Provided, however, that the provisions of this section shall not apply to the rafting and movement of logs in a running stream in the customary manner and for commercial purposes. Provided, however, the provisions of this section shall not be construed to affect in any way the riparian rights of any person, firm, corporation, association or organization.