Non-Compliance detail


  
Summary
 
Licence number: 4965
Annual Return Start: 01 Jul 2010
Annual Return End: 30 Jun 2011
Date Received: 05 Aug 2011
 
Licence Condition numberType of non-complianceEPA actionsNo. of times occurred
M2.1 Sample not collected on scheduled day due to disconnected autosampler used to power bisulphate mixer. The autosampler is now labelled clearly so power supply is not interrupted by people. Sample also not collected during bypass at the plant. EPA to monitor future compliance with this condition 2
L1.4 Uncontrolled sewage overflow during dry weather due to tree roots. Blockage and affected area cleaned. Receiving water quality tested. CCTV, sewer pipe cleaning completed. EPA to monitor future compliance with this condition 3
O3.1 Appropriate treatment process not followed, not all flows received full treatment during wet weather due to 2 off-line shallow bed filters. Partial tertiary filtration bypass occurred. Filter repaired. EPA to monitor future compliance with this condition 1
O5.1 Unable to demonstrate improvement to environmental performance due to exceedance of odour complaints benchmark indicator. EPA to monitor future compliance with this condition 1
L8.1 Wet weather overflow frequency exceeded the licence limit of 12 in 10 years. Results from hydraulic sewer system model comparisons predicted an overflow frequency of 17. EPA to monitor future compliance with this condition 1