South West Rocks Sewage Treatment Plant
2019 Environment Protection Licence data

Premises: South West Rocks Sewage Treatment Plant
Licensee: Kempsey Shire Council
Licence number: 2497

Sampling point 3
Pollutant Limit Result
Date Sampled: 13 March 2019 - Date obtained: 25 March 2019 - Date published: 2 April 2019
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 5 mg/L
Biochemical Oxygen Demand 20 mg/L 2 mg/L
pH 6.5 - 8.5 7.2
Total nitrogen 15 mg/L 4.99 mg/L
Total phosphorus 6 mg/L 1.18 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.02 mg/L
Volume of wastewater discharged 13 February 2019   1284 kL
Offsite reuse   -
Onsite reuse   -
Note: Nil rainfall experienced for this period
Date Sampled: 13 February 2019 - Date obtained: 21 February 2019 - Date published: 22 February 2019
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 3 mg/L
Biochemical Oxygen Demand 20 mg/L 2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 15 mg/L 3.79 mg/L
Total phosphorus 6 mg/L 0.98 mg/L
Faecal coliforms 600 cfu/100mL 174 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.02 mg/L
Volume of wastewater discharged 13 February 2019   1195 kL
Offsite reuse   -
Onsite reuse   -
Note: Nil rainfall experienced for this period
Date Sampled: 3 January 2019 - Date obtained: 14 January 2019 - Date published: 14 January 2019
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 3 mg/L
Biochemical Oxygen Demand 20 mg/L 2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 15 mg/L 1.96 mg/L
Total phosphorus 6 mg/L 0.53 mg/L
Faecal coliforms 600 cfu/100mL 2 cfu/100mL
Nitrogen (ammonia) 5 mg/L 0.15 mg/L
Volume of wastewater discharged 3 January 2019   1913 kL
Offsite reuse   -
Onsite reuse   -
Note: Nil rainfall experienced for this period

Note: TNTC - Too numerous to count

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