B-3 – Area 3 - Assessment of Environmental Effects 49 discernible contamination effects are expected to arise either respect to the drilling and dewatering methodologies adopted on-site. In accordance with Objective 3.3.2, sufficient water will therefore remain within the catchment to meet the needs of existing and reasonably foreseeable domestic, municipal and animal drinking water requirements; to safeguard the life supporting capacity of freshwater and to meet the future social and economic needs of individuals and communities. The water take will also avoid further degradation of water quality and the assimilative capacity of water bodies. 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 (as relevant to Area 3): Does not have adverse effects that are inconsistent with the water management objectives in Section 3.1.2;57 Does not have adverse effects that are inconsistent with the discharges onto or into land objectives in Section 5.2.2;58 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 Chapter 3.3 are unable to be utilised for out of stream uses.59 Policy 2 of Section 3.5.3 follows a similar theme as Objective 3.5.2 and seeks that more than minor adverse effects of discharges 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 Waikato Regional Plan (and otherwise, remedy or mitigate those effects). With respect to these provisions: 57 Objective 3.5.2(a), Section 3.5, Waikato Regional Plan. 58 Objective 3.5.2(b), Section 3.5, Waikato Regional Plan. 59 Objective 3.5.2(c), Section 3.5, Waikato Regional Plan.
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