Premises:
Walcha Sewage Treatment Plant, Oxley Highway, Walcha NSW 2354.
The concentration limit of the pollutants at a discharging point is given below:
Pollutant | Units of Measure | 90 percentile concentration limit |
Oil & Grease | Milligrams per litre | 10 |
pH | pH | 6.5 - 8.5 |
Total Suspended Solids | Milligrams per litre | 30 |
Biochemical oxygen deman | Milligrams per litre | 20 |
The licensee is not taken to have exceeded a quality limit specified in this licence for BOD, TSS or pH if:
Monitoring Results for 2022 - 2023
Monitoring Results for 2021 - 2022
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