You will need this permit if you intend to undertake any construction or works which may affect a waterway. This includes constructing a new waterway or changing an existing waterway:
- shape
- volume, speed or direction of water flow
- bed or bank stability.
A waterway includes:
- a river, creek, stream or watercourse
- a lake, lagoon, swamp or marsh in which water collects and is connected to a river, creek, stream or watercourse
- a floodplain.