B-2 – Area 2 - Assessment of Environmental Effects 124 The activities within Area 2 will therefore avoid changes in the Mataura Wetland, as per the directives of this policy. 7.6.1.7 Drilling Objective 3.8.2 seeks that drilling activities be undertaken in a manner that: is consistent with the objectives in Sections 3.1.2, 5.2.2 and 7.2.2;168 prevents significant adverse effects from the mixing of previously isolated aquifers;169 does not result in significant adverse effects from a loss of aquifer pressure/level;170 and, does not result in blow-outs in geothermal wells.171 The above objective is implemented by Policy 1, which manages the effects of drilling (and any associated discharges) in a manner that avoids significant adverse effects on the quality of groundwater, surface water and soils from: contamination by drilling fluid;172 contamination of ground water by contaminants in surface water;173 mixing of previously isolated aquifers;174 loss of aquifer pressure/level;175 disturbance of waahi tapu and other identified sites of significance to tangata whenua as Kaitiaki;176 and, inappropriate drilling in geothermal systems.177 Consistent with the outcomes sought by Objective 3.8.2 (and as described in GWS (2022a and (2022b)): 168 Objective 3.8.2(a), (b) and (e), Section 3.8, Waikato Regional Plan. 169 Objective 3.8.2(c), Section 3.8, Waikato Regional Plan. 170 Objective 3.8.2(d), Section 3.8, Waikato Regional Plan. 171 Objective 3.8.2(f), Section 3.8, Waikato Regional Plan. 172 Policy 1(a), Section 3.8.3, Waikato Regional Plan. 173 Policy 1(b), Section 3.8.3, Waikato Regional Plan. 174 Policy 1(c), Section 3.8.3, Waikato Regional Plan. 175 Policy 1(d), Section 3.8.3, Waikato Regional Plan. 176 Policy 1(e), Section 3.8.3, Waikato Regional Plan. 177 Policy 1(f), Section 3.8.3, Waikato Regional Plan.
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