4.3.12. Tailings Geochemical Characterisation .................................................................................. 103
5. Environmental Setting and Considerations ............................................................................. 106
5.1. Climate .................................................................................................................................... 106
5.2. Geology ................................................................................................................................... 108
5.3. Soils......................................................................................................................................... 109
5.4. Bioregion and subregion ......................................................................................................... 110
5.4.1. Land Zones ............................................................................................................................. 111
5.5. Hydrology ................................................................................................................................ 111
5.6. Site Hydrogeology ................................................................................................................... 113
5.6.1. Groundwater Quality ............................................................................................................... 116
5.6.2. Conceptual Site Model ............................................................................................................ 116
5.6.3. Groundwater Recharge and Discharge .................................................................................. 125
5.6.4. Groundwater Modelling ........................................................................................................... 127
5.7. Ecology.................................................................................................................................... 127
5.7.1. Desktop Assessment .............................................................................................................. 127
5.7.2. Regional Ecosystems Field Verified ....................................................................................... 129
5.7.3. Ecological Surveys .................................................................................................................. 130
5.7.3.1. Conservation significant flora ................................................................................................. 131
5.7.3.2. Introduced Flora Species ....................................................................................................... 135
5.7.4. Likelihood of Occurrence Analysis .......................................................................................... 136
6. Potential Environmental Impacts and Management ............................................................... 138
6.1. Existing Management Practices.............................................................................................. 138
6.2. Surface Water and Wetlands .................................................................................................. 139
6.2.1. Values ..................................................................................................................................... 140
6.2.2. Impact Assessment ................................................................................................................. 142
6.2.2.1. Acid Sulfate Soils ................................................................................................................... 143
6.2.2.2. Acid Producing Rock .............................................................................................................. 143
6.2.3. Management Practices ........................................................................................................... 143
6.3. Groundwater............................................................................................................................ 144
6.3.1. Values ..................................................................................................................................... 144
6.3.2. Impact Assessment ................................................................................................................. 145
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Wulguru Technical Services Pty Ltd – Supporting Information Report
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