15Rights of owner or occupier to drain land or retain water

15 Rights of owner or occupier to drain land or retain water Despite section 9(2), the owner or occupier of land may, if it does not materially diminish or increase the flow or likely flow of water in or into a waterway: (a) drain the land in accordance with this Act and the Soil Conservation and Land Utilisation Act 1969; or (b) for the retention or conservation of water for use on the land – construct, operate, maintain, repair or alter a dam or other water storage or works (other than prescribed works) not in a