Daily, weekly and fortnightly tests are carried out to obtain different parameters of both raw and treated leachate. This provides regular review of raw leachate characteristics over time, and changes in quality of treated effluent as treatment regime progresses.
Daily Treated Effluent Tests
Daily tests on treated leachate are carried out at the SBR lagoons to ensure successful treatment. Based on the tests, treatment rate and strategy can be adjusted for subsequent treatment cycles. Daily tests are conducted to obtain readings for: pH, Ammoniacal nitrogen, Nitrates, Nitrites, and Dissolved oxygen.
Weekly Treated Leachate Tests in SBR Lagoons and Reed Beds
Weekly treated effluent tests are carried out at the treated leachate-balancing tank (TLBT) and irrigation discharge chamber (IDC) to assess long-term effectiveness of the SBR lagoons and reed beds.
Fortnightly Raw and Treated Leachate Tests
Raw and treated leachate are sent to independent laboratories fortnightly for extensive testing. The result is submitted as part of the Environment Monitoring Report and used for long-term study of leachate characteristics progression. These samples are taken at all raw leachate holding ponds and treated leachate chambers.