B-1 - Area 1, Coromandel Forest Park – Assessment of Environmental Effects 119 With respect to these provisions: sections 7.6.2.2 and 7.6.2.6 of this statutory evaluation consider the effects of discharges in accordance with Objectives 3.1.2 and 5.2.2 and associated policies;102 the discharges of grout and overburden to groundwater will not affect the assimilative capacity of surface water bodies or the utilisations of water allocation within those waterbodies; 103 the discharges of contaminants and overburden to groundwater within the WUG will not give rise to any adverse flooding, erosion or siltation effects;104 the discharges will not give rise to adverse air quality effects that are inconsistent with the policies contained in Section 6.1.3 of the Plan; 105 the backfilling of the WUG will be undertaken in accordance with a spoil management strategy, as discussed in Section 5.7 of this AEE, minimising the effects on groundwater quality. 106 In light of the above and the further management measures set out in Section 6 of the AEE, overall, the activities in Area 1 will not have adverse effects that are inconsistent with the water management objectives in Section 3.1.2 or the discharges to land objectives in Section 5.1.2 and will not reduce the contaminant assimilative capacity of water bodies located at the surface such that allocable flows are unable to be utilised for out of stream uses. The management of non-point discharges is guided by the policies in Section 3.9 of the WRP. Of particular relevance is Policy 1, which seeks to reduce the adverse effects of nonpoint source discharge arising from land uses and activities by minimising the leaching and run-off of contaminants and sediment into water, avoiding bed and bank erosion and instability and recognising and avoiding the effects of non-point discharges on the relationship tangata whenua as Kaitiaki have with water. The policy also seeks to avoid, remedy or mitigate adverse effects on rivers and their margins to maintain and enhance natural character. As described in Section 5.7, analysis of the acid-generating potential of the WUG spoil has low ANC values and may result in acid generation and leaching of trace elements unless appropriate control measures are implemented. Spoil management strategies will therefore be employed to minimise the effects of such leaching into groundwater; 102 Objective 3.5.2(a) and (b) and Policy 2(a) of Section 3.5.3, Waikato Regional Plan. 103 Objective 3.5.2 (c), Section 3.5, Waikato Regional Plan. 104 Policy 2(b) and (c), Section 3.5.3 of the Waikato Regional Plan. 105 Policy 2(e), Section 3.5.3 of the Waikato Regional Plan. 106 Policy 5, Section 3.5.3 of the Waikato Regional Plan.
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