Liddell

Details of licence conditions

EPA licence number11220
Link to full licence on the EPA websiteView full licence
Licensee nameOrica Australia Pty Ltd
Licensee addressOrica Explosives - Ulan Mine Site, Ulan Road, Ulan, NSW 2850 Australia

Monitoring data

View Liddell monitoring data (XLSX 114.2KB)

Incident response

View our Pollution Incident Response Notification.
Monitoring Point PollutantUnit of MeasureMonitoring FrequencySampling Method 
Point 1 and 2Faecal ColiformsColony forming units per 100 millilitresQuarterly Grab sample
Point 1 and 2pH pH Quarterly Grab sample

In the event of any unauthorised water discharges (overflows) from the Lower Sedimentation Dam (P100) the following water quality sampling is required (Condition E1.1):

Monitoring Point  PollutantUnit of MeasureLocation of Monitoring PointFrequencySample Method
P100Ammoniamilligrams per litreMonitoring Point 1Daily during dischargeGrab sample
P100Nitrate + nitrite (oxidised nitrogen)milligrams per litreMonitoring Point 1Daily during dischargeGrab sample
P100Nitrogen (Total)milligrams per litreMonitoring Point 1Daily during dischargeGrab sample
P100Total Kjeldahl Nitrogenmilligrams per litreMonitoring Point 1Daily during dischargeGrab sample
P100Total dissolved solidsmilligrams per litreMonitoring Point 1Daily during dischargeGrab sample
P100Total suspended solids
milligrams per litre		Monitoring Point 1Daily during dischargeGrab sample
P100ConductivitymicrosiemensMonitoring Point 2Daily during dischargeGrab sample
P100 pHpHMonitoring Point 2Daily during dischargeGrab sample
P100Oil and Greasemilligrams per litreMonitoring Point 2Daily during dischargeGrab sample