
Rule 57 Discharges (other than human sewage)
http://www.gw.govt.nz/rule-57-discharges-other-than-human-sewage

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Our services » Plans, policies and publications » Regional plans, policies and strategies » Regional Coastal Plan » Regional Coastal Plan - regional rules » Rules about discharges to land and water in the coastal marine area » Rule 57 Discharges (other than human sewage)
Discharges (other than human sewage) with significant adverse effects outside any Area of Significant Conservation Value
Any discharge onto land or into water in the coastal marine area outside any Area of Significant Conservation Value which is not a permitted activity described in Rules 53-56 and which is a discharge of the type referred to in section 107(2)(a) of the Resource Management Act 1991 is a Discretionary activity.