Application to Amend an Environmental Authority (ESR/2015/1733 Version 13) Form

EA Amendment Supporting Document EPML00418713 Monto Coal Project EA Amendment Supporting Document EPML00418713 Monto Coal Project Report EA Amendment Supporting Document EPML00418713 [Comments] Submitter information Report type Application Reporting period FY21 Author(s) R. Pane Address Level 15, 40 Creek Street, Brisbane Qld 4000 PO Box 10630, Brisbane Qld 4000 Tenure holder Monto Coal 2 Pty Ltd Date of report February 2021 Revision summary AuthorHeading Version Date Heading Ryan Pane Version 1 February 2021 EA Amendment Supporting Document EPML00418713 Monto Coal Project Table of contents 1 Introduction ................................................................................................................... 1 1.1 Existing Environmental Authority Conditions .......................................................................3 1.2 Proposed EA Amendments ..................................................................................................3 1.2.1 Addition of MLA 80175 ............................................................................................3 1.2.2 Environmentally Relevant Activities ........................................................................3 1.2.3 Condition Amendments ...........................................................................................4 1.3 Requirements for an Amendment Application (EP Act) .......................................................4 1.4 Tenement Details .................................................................................................................5 1.5 Background property ............................................................................................................6 2 Activity Description ........................................................................................................ 7 3 Environmental Values and Management Actions .......................................................... 9 3.1 Surface Water ......................................................................................................................9 3.1.1 Existing Environment ..............................................................................................9 3.1.2 Environmental Values .......................................................................................... 17 3.1.3 Wetlands .............................................................................................................. 18 3.1.4 Potential Impacts .................................................................................................. 18 3.1.5 Proposed Management Actions ........................................................................... 18 3.2 Ecology ............................................................................................................................. 19 3.2.1 Terrestrial Ecology ............................................................................................... 19 3.2.2 Aquatic Ecology ................................................................................................... 21 3.2.3 Potential Impacts .................................................................................................. 21 3.2.4 Proposed Management Actions ........................................................................... 21 3.3 Groundwater ..................................................................................................................... 22 3.3.1 Hydrogeology and Aquifer Characteristics ........................................................... 22 3.3.2 Third Party Groundwater Users ........................................................................... 24 3.3.3 MCP Groundwater Extraction .............................................................................. 24 3.3.4 Groundwater Dependent Ecosystems and Springs ............................................. 26 3.3.5 Potential Impacts .................................................................................................. 28 3.3.6 Proposed Management Actions ........................................................................... 28 3.4 Land and Land Use ........................................................................................................... 29 3.4.1 Soils ...................................................................................................................... 29 3.4.2 Existing Land use ................................................................................................. 29 3.4.3 Post-mining Land Use .......................................................................................... 29 3.4.4 Potential Impacts .................................................................................................. 30 3.4.5 Proposed Management Actions ........................................................................... 30 3.5 Air (Dust) and Acoustic (Noise and Vibration) .................................................................. 32 3.5.1 Existing Environment ........................................................................................... 32 3.5.2 Climate ................................................................................................................. 32 3.5.3 Sensitive Receptors ............................................................................................. 34 i Report EA Amendment Supporting Document EPML00418713 3.5.4 Potential Impacts .................................................................................................. 34 3.5.5 Proposed Management Actions ........................................................................... 37 3.6 Waste ................................................................................................................................ 39 3.6.1 Potential Impacts .................................................................................................. 41 3.6.2 Proposed Management Strategies ...................................................................... 41 3.7 Community ........................................................................................................................ 43 3.7.1 Community Consultation ...................................................................................... 43 3.7.2 Existing Community ............................................................................................. 44 3.7.3 Existing Accommodation ...................................................................................... 44 3.7.4 Potential Community Impacts .............................................................................. 44 4 Conclusion .................................................................................................................. 47 – Monto Coal Project Initial Development Plan ....................................... 48 ii Report EA Amendment Supporting Document EPML00418713 Tables Table 1 –Tenement Information ............................................................................................. 6 Table 2 – MCP Underlying Properties ................................................................................... 6 Table 3 – Estimated Flood Levels ........................................................................................12 Table 4 – Three Moon Creek Water Quality (95th Percentile) ................................................16 Table 5 – Waste Management Legislation ............................................................................40 Table of figures Figure 1 - Project Location .................................................................................................... 2 Figure 2 – Proposed Life of Mine Site Layout ........................................................................ 8 Figure 3 – MCP Ordered Drainage .......................................................................................10 Figure 4 – Upper Monal Flow Gauge (February 2003) .........................................................11 Figure 5 – Three Moon Creek Flow Gauge (February 2003) ................................................11 Figure 6 – Maximum Water Depth 10 Year ARI ....................................................................13 Figure 7 – Maximum Water Depth 100 Year ARI ..................................................................14 Figure 8 – Maximum Water Depth 1,000 Year ARI ...............................................................15 Figure 9 – Regional Ecosystem Mapping .............................................................................20 Figure 10 – Cross-section of Regional Stratigraphy ..............................................................23 Figure 11 – Groundwater Bores within 4 km of the MCP ......................................................25 Figure 12 – Abercorn Springs and Existing Groundwater Bores ...........................................27 Figure 13 – Average Annual Rainfall and Temperatures ......................................................33 Figure 14 – Wind Rose .........................................................................................................33 Figure 15 – MCP Sensitive Receptors ..................................................................................35 iii EA Amendment Supporting Document EPML00418713 Monto Coal Project Intentionally blank EA Amendment Supporting Document EPML00418713 Monto Coal Project 1 Introduction The Monto Coal Project (MCP) is a proposed open cut coal mine owned by Monto Coal 2 Pty Ltd (Monto Coal) located

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