B-6 – Area 6 – Assessment of Environmental Effects 103 this AEE due to the potential for the diversion of groundwater to affect surface water and groundwater allocation. 7.6.1.4 Discharges to Water Objective 3.5.2 of the Waikato Regional Plan seeks that discharges of contaminants to water be undertaken in a manner that: does not have adverse effects that are inconsistent with the water management objectives in Section 3.1.2;125 does not have adverse effects that are inconsistent with the discharges onto or into land objectives in Section 5.2.2;126 and ensures that decisions regarding the discharge of contaminants to water do not reduce the contaminant assimilative capacity of the water body to the extent that allocable flows as provided for in Section 3.3 are unable to be utilised for out of stream uses.127 Policy 2 of Section 3.5.3 follows a similar theme as Objective 3.5.2 and seeks that more than minor adverse effects on surface waterbodies that are inconsistent with the policies in Section 3.2.3 of the Waikato Regional Plan are avoided, as far as practicable, and otherwise remedied or mitigated. Likewise, it seeks that the discharges do not cause significant adverse effects from flooding, erosion or downstream siltation. Policy 5 of Section 3.5.3 is specific to discharges into land and seeks that the adverse effects of those discharges on groundwater quality be minimised by ensuring that they do not compromise existing or reasonably foreseeable uses of groundwater, and avoid, as far as practicable, adverse effects on surface waterbodies that are inconsistent with the policies in Section 3.2.3 of the WRP (and otherwise, remedy or mitigate those effects). Sections 7.6.1.2 and 7.6.1.8 of this AEE consider the effects of discharges in accordance with Objectives 3.1.2 and 5.2 and associated policies in Section 3.2.3.128 As set out in Section 5.4 of this AEE, the discharges to water are not expected to give rise to adverse flooding, erosion or downstream siltation effects.129 Accordingly, the management of discharges to water will achieve the outcomes sought by Objective 3.5.2. 125 Objective 3.5.2(a), Section 3.5, Waikato Regional Plan. 126 Objective 3.5.2(b), Section 3.5, Waikato Regional Plan. 127 Objective 3.5.2(c), Section 3.5, Waikato Regional Plan. 128 Objective 3.5.2(a) and (b) and Policy 2(a), Section 3.5, Waikato Regional Plan. 129 Policy 2(b) and (c), Section 3.5, Waikato Regional Plan.
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