Non-Compliance detail


  
Summary
 
Licence number: 1683
Annual Return Start: 01 Jul 2009
Annual Return End: 30 Jun 2010
Date Received: 30 Aug 2010
 
Licence Condition numberType of non-complianceEPA actionsNo. of times occurred
M2.1 Sample machine failed at Monitoring Pt 1 & sample not collected 10/3/10. Replacement sampling machine obtained & composite sample collected. Investigating options to include backup sampling machines &/or alarms to allow sample even if machine fails. EPA to monitor future compliance with this condition 1
M2.2 Samples collected 26 & 27/7/09 not analysed for TSS & Oil & Grease concentrations (Monitoring Pt 1). Laboratory reminded that Oil & Grease & TSS are measured for all 3DGM samples. Lab currently developing additional quality assurance checks. EPA to monitor future compliance with this condition 2
L3.1 Failed to meet 90%ile limit for TSS on several occasions - Monitoring Pt 1 due to unstable nature of activated sludge process. Several short terms improvements undertaken. Stage 2 upgrade of treatment process underway to improve performance with PRP. EPA to monitor future compliance with this condition 7
O3.2 Untreated sewage discharged from a point other than Pt 1 or Pt 3. due to power failure at Primary Pump Station on 17/1/10 causing overflow during electrical storm. Fault rectified. Undertaking program of plant upgrades to improve process reliability. EPA to monitor future compliance with this condition 3
O3.2 Secondary pump failue 26/10/09. Approx 2ML of sewage did not receive required treatment before discharge due to bypass of secondary treatment process. This was caused by equipment failure during an upgrade to PLC hardware. Fault rectified. EPA to monitor future compliance with this condition 1
O3.2 Secondary Pump Station failed, causing 31.3ML of sewage to bypass secondary treatment on 9/1 & 11.3ML to bypass on 10/1 due to incorrect adjustments. Levels reset & restarted pumps. Additional beach monitoring conducted. Procedures amended. EPA to monitor future compliance with this condition 1