What is a controlled activity?

Controlled activities are certain types of activities which are:

  • carried out on waterfront land, and
  • defined as a controlled activity in the Water Management Act 2000.

Waterfront land’ means the bed of any river, lake or estuary, and the land within 40 metres of the river banks, lake shore or estuary mean high water mark.

Waterfront land

Controlled activity’ means:

  • erection of a building
  • carrying out a work
  • removing material from waterfront land, such as vegetation or extractive material
  • depositing material on waterfront land, such as extractive material
  • carrying out an activity which affects the quantity or flow of water in a water source.

Examples of controlled activities include:

  • modifications to a watercourse, such as erosion control works and channel realignment
  • construction of bed control structures
  • construction of watercourse crossings such as bridges, causeways and bed level crossings, and ancillary works such as roads
  • construction of stormwater outlets and spillways
  • construction of boat ramps and sea walls
  • laying pipes and cables
  • sand and gravel extraction.