Section 30. Navigation, jurisdiction over

The  commissioner  shall  have
  jurisdiction over navigation on the navigable waters of the  state  and,
  except  as  otherwise  provided,  shall  enforce  the provisions of this
  chapter and the regulations established thereunder. As a  guide  to  the
  interpretation  and  application  of  this  article,  nothing authorized
  hereunder shall be construed to convey any property  rights,  either  in
  real  estate  or material, or any exclusive privilege; nor authorize any
  injury to  private  property  or  invasion  of  private  rights  or  any
  infringement  of  federal, state or local laws or regulations, but shall
  express the assent of the state so far as it concerns the public  rights
  of  navigation.  Nothing contained in this section shall be construed to
  limit, impair or affect the general  powers  and  duties  of  the  canal
  corporation  relating to canals as set forth in section ten of the canal
  law.