Hat Head Sewage Treatment Plant
2018 Environment Protection Licence data

Premises: Hat Head Sewage Treatment Plant
Licensee: Kempsey Shire Council
Licence number: 11874

Sampling point 2
Pollutant Limit Result
Date Sampled: 24 October 2018 - Date obtained: 31 October 2018 - Date published: 5 November 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.5
Total nitrogen 20 mg/L 1.67 mg/L
Total phosphorus 1 mg/L 0.05 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 24 October 2018   64 kL
Note: Nil rainfall experienced for this period
Date Sampled: 10 October 2018 - Date obtained: 17 October 2018 - Date published: 18 October 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 20 mg/L 7.46 mg/L
Total phosphorus 1 mg/L 0.08 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 10 October 2018   140 kL
Note: Nil rainfall experienced for this period
Date Sampled: 26 September 2018 - Date obtained: 5 October 2018 - Date published: 9 October 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 20 mg/L 6.42 mg/L
Total phosphorus 1 mg/L 0.07 mg/L
Faecal coliforms 600 cfu/100mL 2 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 26 September 2018   109 kL
Note: 1.5mm rainfall experienced for this period
Date Sampled: 12 September 2018 - Date obtained: 19 September 2018 - Date published: 25 September 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 20 mg/L 1.79 mg/L
Total phosphorus 1 mg/L 0.06 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 12 September 2018   102 kL
Note: Nil rainfall experienced for this period
Date Sampled: 29 August 2018 - Date obtained: 10 September 2018 - Date published: 11 September 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 20 mg/L 1.34 mg/L
Total phosphorus 1 mg/L 0.05 mg/L
Faecal coliforms 600 cfu/100mL 5 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 29 August 2018   125 kL
Date Sampled: 15 August 2018 - Date obtained: 10 September 2018 - Date published: 11 September 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 20 mg/L 1.98 mg/L
Total phosphorus 1 mg/L 0.03 mg/L
Faecal coliforms 600 cfu/100mL 5 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 15 August 2018   138 kL
Note: Nil rainfall experienced for this period
Date Sampled: 1 August 2018 - Date obtained: 7 August 2018 - Date published: 8 August 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 20 mg/L 1.41 mg/L
Total phosphorus 1 mg/L 0.04 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 1 August 2018   99 kL
Note: Nil rainfall experienced for this period
Date Sampled: 18 July 2018 - Date obtained: 23 July 2018 - Date published: 24 July 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.4
Total nitrogen 20 mg/L 6.85 mg/L
Total phosphorus 1 mg/L 0.05 mg/L
Faecal coliforms 600 cfu/100mL 16 cfu/100mL
Nitrogen (ammonia) 5 mg/L 4.08 mg/L
Volume of wastewater discharged 18 July 2018   97 kL
Date Sampled: 4 July 2018 - Date obtained: 16 July 2018 - Date published: 24 July 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.2
Total nitrogen 20 mg/L 3.08 mg/L
Total phosphorus 1 mg/L 0.07 mg/L
Faecal coliforms 600 cfu/100mL 4 cfu/100mL
Nitrogen (ammonia) 5 mg/L 1.15 mg/L
Volume of wastewater discharged 4 July 2018   152 kL
Note: 6mm to 16mm rainfall was experienced across all areas on this date
Date Sampled: 6 June 2018 - Date obtained: 16 June 2018 - Date published: 19 June 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 20 mg/L 1.72 mg/L
Total phosphorus 1 mg/L 0.04 mg/L
Faecal coliforms 600 cfu/100mL 9 cfu/100mL
Nitrogen (ammonia) 5 mg/L 0.15 mg/L
Volume of wastewater discharged 6 June 2018   138 kL
Date Sampled: 23 May 2018 - Date obtained: 30 May 2018 - Date published: 4 June 2018
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 7.5
Total nitrogen 20 mg/L 1.55 mg/L
Total phosphorus 1 mg/L 0.04 mg/L
Faecal coliforms 600 cfu/100mL 2 cfu/100mL
Nitrogen (ammonia) 5 mg/L 0.26 mg/L
Volume of wastewater discharged 23 May 2018   77 kL
Date Sampled: 9 May 2018 - Date obtained: 17 May 2018 - Date published: 18 May 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.2
Total nitrogen 20 mg/L 14.0 mg/L
Total phosphorus 1 mg/L 0.04 mg/L
Faecal coliforms 600 cfu/100mL 74 cfu/100mL
Nitrogen (ammonia) 5 mg/L 3.50 mg/L
Volume of wastewater discharged 9 May 2018   111 kL
Date Sampled: 26 April 2018 - Date obtained: 2 May 2018 - Date published: 3 May 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.1
Total nitrogen 20 mg/L 1.68 mg/L
Total phosphorus 1 mg/L 0.03 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 26 April 2018   182 kL
Date Sampled: 11 April 2018 - Date obtained: 18 April 2018 - Date published: 23 April 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.6
Total nitrogen 20 mg/L 9.94 mg/L
Total phosphorus 1 mg/L 0.06 mg/L
Faecal coliforms 600 cfu/100mL 2 cfu/100mL
Nitrogen (ammonia) 5 mg/L 0.17 mg/L
Volume of wastewater discharged 11 April 2018   121 kL
Date Sampled: 28 March 2018 - Date obtained: 5 April 2018 - Date published: 9 April 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 4 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.0
Total nitrogen 20 mg/L 1.12 mg/L
Total phosphorus 1 mg/L 0.06 mg/L
Faecal coliforms 600 cfu/100mL 3 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 28 March 2018   157 kL
Date Sampled: 14 March 2018 - Date obtained: 21 March 2018 - Date published: 29 March 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.2
Total nitrogen 20 mg/L 1.22 mg/L
Total phosphorus 1 mg/L 0.07 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 14 March 2018   149 kL
Date Sampled: 28 February 2018 - Date obtained: 12 March 2018 - Date published: 14 March 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.4
Total nitrogen 20 mg/L 1.76 mg/L
Total phosphorus 1 mg/L 0.14 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 28 February 2018   93 kL
Date Sampled: 14 February 2018 - Date obtained: 28 February 2018 - Date published: 1 March 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.5
Total nitrogen 20 mg/L 1.71 mg/L
Total phosphorus 1 mg/L 0.26 mg/L
Faecal coliforms 600 cfu/100mL 2 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 14 February 2018   171 kL
Date Sampled: 31 January 2018 - Date obtained: 9 February 2018 - Date published: 12 February 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 4 mg/L
Biochemical Oxygen Demand 20 mg/L 3 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 20 mg/L 2.17 mg/L
Total phosphorus 1 mg/L 0.98 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L 0.10 mg/L
Volume of wastewater discharged 31 January 2018   35 kL
Date Sampled: 17 January 2018 - Date obtained: 23 January 2018 - Date published: 24 January 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L 2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.3
Total nitrogen 20 mg/L 3.75 mg/L
Total phosphorus 1 mg/L 0.09 mg/L
Faecal coliforms 600 cfu/100mL 2 cfu/100mL
Nitrogen (ammonia) 5 mg/L <0.05 mg/L
Volume of wastewater discharged 17 January 2018   160 kL
Date Sampled: 4 January 2018 - Date obtained: 16 January 2018 - Date published: 17 January 2018
Oil & grease 6 mg/L <2 mg/L
Total suspended solids 30 mg/L <2 mg/L
Biochemical Oxygen Demand 20 mg/L <2 mg/L
pH 6.5 - 8.5 7.5
Total nitrogen 20 mg/L 3.54 mg/L
Total phosphorus 1 mg/L 0.06 mg/L
Faecal coliforms 600 cfu/100mL 0 cfu/100mL
Nitrogen (ammonia) 5 mg/L 0.87 mg/L
Volume of wastewater discharged 4 January 2018   300 kL

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