River and Lake Beds

   13. Restriction on certain uses of beds of lakes and rivers---(1)
 Unless expressly allowed to do so by a rule in a regional plan or a
 resource consent granted by a regional council, no person may, in
 relation to any lake bed or river bed, carry out any of the following
 activities:
   (a) Any use, erection, reconstruction, placement, alteration,
         extension, removal, or demolition of any structure or part of
         any structure in, on, under, or over the bed; or
   (b) Any excavation, drilling, tunnelling, or other disturbance of the
         bed; or
   (c) Any introduction or planting of any plant or part of any plant
         (whether exotic or indigenous) in, on, or under the bed; or
   (d) Any deposit of any substance in, on, or under the bed; or
   (e) Any reclamation or draining of the bed.

   (2) No person may---
   (a) Enter or pass across the bed of any river or lake; or
   (b) Disturb, remove, damage, or destroy any plant or part of any plant
         (whether exotic or indigenous) or the habitats of any such
         plants or of animals in, on, or under the bed of any lake or
         river---

 in a manner that contravenes a rule in a regional plan or proposed
 regional plan unless that activity is---
   (c) Expressly allowed by a resource consent granted by the regional
         council responsible for the plan; or
   (d) Allowed by section 20 (certain existing lawful uses allowed).

   (3) This section does not apply to any use of land in the coastal
 marine area.

   (4) Nothing in this section limits section 9.