Non-Compliance detail


  
Summary
 
Licence number: 2504
Annual Return Start: 01 Feb 2014
Annual Return End: 31 Jan 2015
Date Received: 07 Apr 2015
 
Licence Condition numberType of non-complianceEPA actionsNo. of times occurred
L2 Limit exceedances at BCD for O&G, EC and pH. Possible sample contamination O&G & pH. EC due to increased flow to Georges under low flow, required by Subsidence Management Plan TARP. EPA wrote to BHP. PRPs in place to improve BCD discharges EPA has written to licensee regarding non-compliance and relevant action 3
L2 Electrical conductivity exceeded limit. Discharge rates increased from BCD over short periods to manage subsidence induced impact in Georges River caused by low periods of rainfall. Temp ‘siphon’ line installed to reinstate discharge volume capacity. EPA has written to licensee regarding non-compliance and relevant action 1
L2 Unable to determine cause of pH limit exceedance. Confirmed results from lab & in-situ 're-test' undertaken in dam - pH readings found to be within limits. Possible contamination of sample and/or lab. Discussed with EPA. EPA has written to licensee regarding non-compliance and relevant action 1