Mt Todd Gold Mine
Phone:+ 61 8 8941 9105
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Environmental Impact
Statement


Industry Capability Statement


Environment - Waste Discharge License



A Waste Discharge License (WDL) is the formal approval under section 74 of the Northern Territory Water Act that authorities and regulates the release of potential contaminants to water in the Northern Territory to ensure environmental protection objectives are met.

The WDL controls the type, quality and quantity of the release and ensures that monitoring and reporting occur on a regular basis.

The current WDL 178-8 applies from 30 November 2020 until 30 November 2022.

During this period Vista Gold is required to monitor and report the results of water quality, macro invertebrates and sediment sampling and analysis. Details of the monitoring programs and results are now required to be posted on our website every month, when releasing water.

The WDL recognizes a 3.2 kilometer mixing zone. Monitoring just below this mixing zone will be undertaken to ensure that water in the Edith River complies with the Australian Drinking Water Guidelines for Health.

Vista Gold is committed to protecting the water quality of the Edith River system and has already invested more than $9 million to treat water in the Batman pit and installed an automated pumping system that regulates the release of water according to the flow rate of the Edith River and will cease pumping in the event of loss of radio signal.

A copies of the WDL's and Vista Gold's Discharge Plan, required as a condition of each WDL, are provided below:


WDL 178-8 2020/22 Documents
WDL 178-8 Communications Plan V6 (PDF - 3.7MB)
WDL 178-8 2020/22 Waste Discharge Licence (PDF 2.0MB)
WDL 178-8 Monthly Report Dec-20 (PDF 0.4MB)
WDL 178-8 Monthly Report Jan-21 (PDF 0.2MB)

WDL 178-7 2019/20 Documents (Amended WDL 178-7)
WDL 178-7 2019/20 Waste Discharge License (PDF - 2.9MB)
WDL 178-7 Mointoring Report 2019/20 (PDF - 9.8MB)
WDL 178-7 Monthly Reports 2019/20 (PDF - 4.4MB)
WDL 178-7 Annual Return 2019/20 (PDF - 0.7MB)

WDL178-6 Reporting 2018
WDL 178-6 Mointering Report 2019 (PDF - 16.1MB)
WDL 178-6 Monitoring Report 2018 (PDF - 17MB)
WDL 178-6 Ecotox Report (1.9MB)

WDL 178-6 2018/20 Documents
WDL 178-6 2018/20 Waste Discharge License (PDF - 3.6MB)
WDL 178-6 Mt Todd Communication Plan 2018 (PDF - 2.3MB)
WDL 178-6 Mt Todd Water Discharge Plan #6 2018 (PDF - 3.2MB)
WDL 178-6 Mt Todd Water Management Plan (PDF - 6.9MB)
WDL 178-6 Mt Todd Locations Map (PDF - 193KB)
WDL 178-6 Mt Todd Receiving Environment Monitoring Plan (PDF -1.8MB)

WDL178-5 Reporting 2017
WDL 178-5 Monitoring Report 2017 (PDF - 33MB)
WDL 178-5 Annual Return (PDF - 466kb)
WDL 178-5 Ecotox Report (2.0MB)

WDL 178-5 2017/18 Documents

WDL 178-5 2017/18 Waste Discharge License (PDF - 8.24MB)
WDL 178-5 Mt Todd Communication Plan 2017 (PDF - 1.0MB)
WDL 178-5 Mt Todd Water Discharge Plan #5 2016 (PDF - 1.4MB)
WDL 178-5 Mt Todd Water Management Plan (PDF - 5.6MB)
WDL 178-5 Mt Todd Locations Map (PDF - 490KB)
WDL 178-5 Mt Todd Ecotox Plan Sep-17 (PDF -3.5MB)
WDL 178-5 Mt Todd Receiving Environment Monitoring Plan (PDF -1.8MB)

WDL178-4 Reporting 2016

WDL 178-4 Monitoring Report 2016 (PDF - 13.8MB)
WDL 178-4 Annual Return (PDF - 328kb)
2015-16 Aquatic Monitoring Report for Mt Todd (PDF - 5.1MB)

Jan-16 Water Quality Tables
Feb-16 Water Quality Tables

Jan-16 Volumes of water released from Mt Todd
Feb-16 Volumes of water released from Mt Todd


WDL178-4 Reporting 2015

​WDL 178-4 Monitoring Report 2015 (PDF - 2.8MB)
 
WDL 178-4 Annual Return 2015 (PDF - 432kb)

2014-15 Aquatic Monitoring Report for Mt Todd (PDF - 7.8MB)

Jan-15 Volumes of water released from Mt Todd
Feb-15 Volumes of water released from Mt Todd
Mar-15 Volumes of water released from Mt Todd

Jan-15  Water Quality Tables
Feb-15 Water Quality Tables
Mar-15 Water Quality Tables


WDL178-4 2015/16 Documents

WDL 178-4 Waste Discharge License (PDF - 4.13MB)
WDL 178-4 Mt Todd 2014 Water Discharge Plan Pt 1  (PDF -  685KB)  
WDL 178-4 Mt Todd 2014 Water Discharge Plan Pt 2  (PDF -  2MB)
WDL 178-4 Water Management Plan (PDF - 3MB)
WDL 178-4 Locations Map (PDF - 490KB)
WDL 178-4 Mt Todd Communication Plan 2016 (PDF 2.2MB)


WDL178-3 Reporting 2014

2013-14 Aquatic Monitoring Report for Mt Todd (PDF - 4.3MB)
Waste Discharge License Report February 2014 (PDF 750KB)
WDL 178 License Report October 2014
WDL 178 License Report October 2014 - Appendix A
WDL 178 License Report October 2014 - Appendix B
WDL 178 License Report October 2014 - Appendix C
WDL 178 License Report October 2014 - Appendix D
WDL 178-3 Monitoring Report 2014
Annual Audit Compliance Report October 2014

WDL Reporting 2013

RP3 Ecotoxicological Report - February 2013  (PDF - 2.5MB)
RP3 Ecotoxicological Report - July 2013 (PDF - 2.6MB)
RP3 Ecotoxicological Report - January 2014 (PDF - 1MB)
Waste Discharge License Monthly Report - March 2013 (PDF- 390KB)
Waste Discharge License Monthly Report - April 2013 (PDF - 712KB)
Waste Discharge Annual Report 2013 (PDF - 7MB)

For more information regarding the Regulators requirements of the Waste Discharge License visit:  http://www.ntepa.nt.gov.au/news/2012/vista-gold-wdl



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