Marlborough Sounds Resource Management Plan 20 August 2015 • extending greater than 1000 metres in length over foreshore and/or seabed; is a Discretionary Activity. 34.4.2.7.2 Assessment Criteria a) Whether the disturbance is necessary; b) Whether the final appearance will harmonise with the character of the surrounding landscape; c) Whether the disturbance has made allowance for the effects of sea level rise, waves and currents and earthquakes; and d) Whether the disturbance has any significant adverse effect on ecological values and tangata whenua values. 34.4.2.8 Depositing Substances in the Coastal Marine Area 34.4.2.8.1 Any activity involving deposition of any material in the coastal marine area is a Discretionary Activity. 34.4.2.8.2 Assessment Criteria a) Whether the deposition is necessary; b) Whether the final appearance will harmonise with the character of the surrounding landscape; c) Whether the deposition has made allowance for the effects of sea level rise, waves and currents and earthquakes; and d) Whether the deposition has any significant adverse effect on ecological values and tangata whenua values. 34.4.2.9 Discharges to the Coastal Marine Area 34.4.2.9.1 Any discharge of treated human sewage to the coastal marine area is a Discretionary Activity. 34.4.2.9.2 Any discharge to the coastal marine area in respect of which the applicant may desire to rely on section 107(2)(a) is Discretionary Activity. 34.4.2.9.3 Any discharge to the coastal marine area other than Rule 34.4.2.9 or not provided for elsewhere in the Plan is a Discretionary Activity only and will be assessed in respect of: 34.4.2.9.4 Assessment Criteria a) The effect of the discharge having regard to the effect of currents, tides, waves, and winds on horizontal transport and vertical mixing of the contaminant; b) The impact of the discharge having regard to: - Temperature; - BOD; - Suspended solids; - pH; - The chemical content - of the discharge, including any heavy metals or other toxic substances; and - Dissolved solids. 34 - 22