Goyder Regional Council Burra IWMP GOYDER: INTEGRATED WATER MANAGEMENT PLAN (IWMP) FOR BURRA January 2012 Regional Council of Goyder AWE Document History and Status Issue Rev. Issued to Qty Date Reviewed Approved 1 V7 T.Wood 1 30/9/11 GF GF Final V8 T.Wood 1 25/1/12 GF GF Printed: January 25, 2012 Last Saved: September 30, 2011 File Name: 11105 R001 IWMP Burra v8 120125.docx Project Manager: Ben Taylor Client: Regional Council of Goyder Project: Integrated Water Management Plan for Burra Name of Document: Integrated Water Management Plan for Burra Document Version: v8 Job Number: 11105 11105 Integrated Water Management Plan for Burra i AWE Regional Council of Goyder ii 11105 Integrated Water Management Plan for Burra Regional Council of Goyder AWE Table of Contents Executive Summary ................................................................................................................................................ v 1 Introduction ................................................................................................................................................. 1 1.1 Total Water Cycle Management ....................................................................................................... 2 1.2 Purpose of the Plan ........................................................................................................................... 3 1.3 IWMP Objectives .............................................................................................................................. 4 2 The Township of Burra ................................................................................................................................ 6 2.1 Climate .............................................................................................................................................. 6 2.2 Future Township Growth Scenario ................................................................................................... 6 2.3 Residential Land Supply and Demand .............................................................................................. 6 2.4 Potential Areas for Future Residential Development ....................................................................... 7 3 Strategic IWMP Objectives .......................................................................................................................... 9 3.1 Objectives and Measures .................................................................................................................. 9 4 Current and Potential Water Resources Use and Recommendations ...................................................... 12 4.1 Water Balance ................................................................................................................................ 12 4.2 Potable Water ................................................................................................................................. 14 4.3 Groundwater .................................................................................................................................. 16 4.4 Water Dependent Ecosystems ........................................................................................................ 22 4.5 Stormwater ..................................................................................................................................... 24 4.6 Wastewater .................................................................................................................................... 29 4.7 Climate Change Impacts ................................................................................................................. 32 4.8 Outcomes ........................................................................................................................................ 33 5 Implementation Plan ................................................................................................................................. 35 5.1 Overview ......................................................................................................................................... 35 5.2 Immediate Recommended Actions ................................................................................................ 36 5.3 Intermediate Actions ...................................................................................................................... 45 5.4 Strategic and Long Term Actions .................................................................................................... 47 5.5 Monitoring and Review .................................................................................................................. 49 6 Funding Opportunities .............................................................................................................................. 51 6.1 Strengthening Basin Communities – Water Saving Initiatives ........................................................ 51 6.2 South Australian Murray Darling Basin NRM Board ....................................................................... 51 6.3 Stormwater Harvesting and Reuse Projects ‐ Third Competitive Grants Round ............................ 51 6.4 Regional Development Australia .................................................................................................... 51 7 References ................................................................................................................................................. 53 Murray Region ............................................................................................................................................. 3 11105 Integrated Water Management Plan for Burra iii AWE Regional Council of Goyder List of Tables Table 2‐1 Average Rainfall Statistics for Burra Calculated Over all Years of Data .................................................. 6 Table 2‐2 Burra Lot Yields and Potential Additional Population ............................................................................. 7 Table 3‐1 Integrated Water Resource Management Objectives, Strategies and Measures ................................ 10 Table 4‐1 Current Water Use in Burra .................................................................................................................. 13 Table 4‐2 Potential Future Water Resource ......................................................................................................... 13 Table 4‐4 Wastewater Water Balance for Existing CWMS Scheme Servicing South of Burra .............................. 30 Table 4‐5 Wastewater Water Balance for Potential CWMS Scheme Servicing North of Burra ............................ 31 Table 4‐6 Monthly Climate Change Scenario Data ............................................................................................... 33 Table 5‐1 Description of Priority Rankings ........................................................................................................... 35 Table 5‐2 Immediate IWMP Recommended Actions for the next 1‐5 Years: Burra ............................................. 42 Table 5‐3 Immediate IWMP Recommended Actions for the next 1‐5 Years: Regional ........................................ 43 Table 5‐4 Intermediate IWMP Recommended Actions for the next 5‐10 Years: Burra ....................................... 46 Table 5‐5 Intermediate IWMP Recommended Actions for the next 5‐10 Years: Regional .................................. 46 Table 5‐6 Strategic and Long Term IWMP Recommended Actions for the next 10‐30 Years: Burra ................... 48 Table 5‐7 Strategic and Long Term IWMP Recommended Actions for the next 10‐30 Years: Regional .............. 48 List of Figures Figure 1.1 Total Water Cycle ................................................................................................................................... 2 Figure 1.2 Township of Burra.................................................................................................................................. 5 Figure 4.1 Current Potable Water Use in Burra .................................................................................................... 14 Figure 4.2 DES Borehole Location Plan ................................................................................................................. 18 Figure 4.3 Maximum Drill Depth .......................................................................................................................... 19 Figure 4.4 Depth to Groundwater ........................................................................................................................ 20 Figure 4.5 Salinity (TD5 mg/l) ............................................................................................................................... 21 Figure 4.6 Proposed Stormwater Detention Basin Locations ............................................................................... 27 Figure 4.7 Existing Catchment, Wastewater, Stormwater Infrastructure and Flooding Issues in Burra .............. 34 Appendices Appendix A : Federal, State and Regional Legislative Framework Appendix B : Council’s Strategic Planning Framework: Development Planning and Climate Change Appendix C : Recommended Actions Map iv 11105 Integrated Water Management Plan for Burra Regional Council of Goyder AWE Executive Summary Introduction Council engaged Australian Water Environments (AWE) to develop an Integrated Water Management Plan (IWMP) for Burra. The Regional Council of