Our Whitianga office will be closed to the public on Wednesday, 22 January. To report air or water pollution, unsafe water activities in or on a river, lake or harbour, or make a general enquiry or information request during this time, we can be contacted 24/7 on 0800 800 401.

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Sedimentation

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  4. Sedimentation

Sedimentation in estuaries is a natural process that can be accelerated by changes in land use or land management within the catchment, or by development of structures within the estuary.