Non-Compliance detail


  
Summary
 
Licence number: 5425
Annual Return Start: 01 Jul 2009
Annual Return End: 30 Jun 2010
Date Received: 24 Aug 2010
 
Licence Condition numberType of non-complianceEPA actionsNo. of times occurred
L3 Suspended solids limit exceeded. Dual media filter was backwashing at time of sampling, stiring up sediment in lagoon causing carry-over. Sludge lagoons have been cleaned. Further investigations to confirm cause. Weekly testing to begin. EPA action determined as part of scheduled inspection program 1
L3.2 pH result below specified range. Coincided with a wet weather event that caused deterioration to raw water quality extracted from river. Chemical dosing and treatment processes to maintain water quality and supply to customers. EPA action determined as part of scheduled inspection program N/A
L4.1 Volume limit exceeded. Coincided with wet weather event. Officers followed procedures to assist with such abnormal raw water events. Investigate possibility of increasing operating levels of distribution system just prior to river change event. EPA action determined as part of scheduled inspection program N/A