Section 30.47 - Restrictions on recreational use(1) No natural person may operate a boat on public waters in the riverway without having an adequately sized waterproof container in the boat in which to place refuse.(2) No person may leave refuse on land in the riverway owned, managed, supervised or controlled by the department or on public waters in the riverway.(3)(a) Except as provided in par. (b), no person may have a glass container on land in the riverway owned, managed, supervised or controlled by the department or on islands or public waters in the riverway.(b)1. Paragraph (a) does not apply to a natural person or his or her guest having a glass container on land in the riverway that the natural person owns or occupies as a tenant.2. Paragraph (a) does not apply to a natural person having a glass container on land in the riverway that is also in a state park.