Licence
View the Environment Protection Licence No. 447 terms and conditions.
Licensee
State of New South Wales (Department of Planning and Environment), PO Box 41, Perisher Valley NSW 2624
Premises
Sawpit Creek Sewage Treatment Plant, Kosciuszko National Park, Sawpit Creek NSW 2627
Monitoring points
There are 3 monitoring points:
- Monitoring Point 1 – Outlet from the final treatment pond to an underground absorption trench
- Monitoring Point 2 – Sawpit Creek Upstream
- Monitoring Point 3 – Sawpit Creek Downstream.
View map of monitoring points (PDF 824KB).
The monitoring frequency required by Environment Protection Licence No. 447 for all points is monthly.
Pollutant monitoring data
2023–2024 data
Monitoring point 1 – Discharge to groundwater effluent quality monitoring
The outlet from the final treatment pond to an underground absorption trench.
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Oil & grease (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|---|
| 18-Oct-23 | 8.0 | 0.2 | 2.6 | 0.04 | 16 | 2 | <1 | <1 | 31-Oct-23 | 1-Nov-23 |
| 01-Nov-23 | 8.4 | <0.1 | 2.9 | 0.03 | 16 | 6 | <1 | <1 | 14-Nov-23 | 15-Nov-23 |
| 29-Nov-23 | 8.1 | <0.1 | 3.0 | 0.01 | 4 | 8 | <1 | 149 | 8-Dec-23 | 12-Dec-23 |
| 27-Dec-23 | 7.3 | 0.2 | 4.1 | <0.01 | 8 | 2 | <1 | <2 | 9-Jan-24 | 12-Jan-24 |
| 24-Jan-24 | 7.8 | <0.01 | 3.5 | 0.05 | 4 | <2 | <1 | <1 | 7-Feb-24 | 15-Feb-24 |
| 21-Feb-24 | 8.0 | <0.01 | 4.3 | 0.08 | 3 | <2 | <1 | 1 | 6-Mar-24 | 7-Mar-24 |
| 20-Mar-24 | 8.0 | 0.1 | 2.6 | <0.01 | 2 | <2 | <1 | <1 | 3-Apr-24 | 9-Apr-24 |
| 17-Apr-24 | 8.0 | <0.1 | 2.8 | 0.02 | 2 | <2 | <1 | 1 | 1-May-24 | 2-May-24 |
| 15-May-24 | 7.9 | <0.1 | 2.4 | 0.02 | <2 | <2 | <1 | <1 | 23-May-24 | 3-Jun-24 |
| 12-Jun-24 | 7.7 | 0.3 | 3.7 | 0.01 | 3 | <2 | <1 | <1 | 24-Jun-24 | 25-Jun-24 |
| 10-Jul-24 | 7.8 | <0.1 | 4.8 | 0.20 | <2 | <2 | <1 | <1 | 22-Jul-24 | 24-Jul-24 |
| 07-Aug-24 | 7.5 | <0.1 | 4.6 | 0.07 | <2 | <2 | <1 | <1 | 16-Aug-24 | 22-Aug-24 |
| 04-Sep-24 | 7.8 | <0.1 | 4.4 | 0.11 | 5 | 9 | <1 | <1 | 16-Sep-24 | 18-Sep-24 |
Monitoring point 2 – Ambient water quality monitoring (Sawpit Creek Upstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 18-Oct-23 | 7.7 | 0.014 | 0.14 | <0.01 | 3 | <2 | 4 | 31-Oct-23 | 1-Nov-23 |
| 01-Nov-23 | 7.9 | 0.011 | 0.07 | <0.01 | 3 | <2 | 3 | 14-Nov-23 | 15-Nov-23 |
| 29-Nov-23 | 7.6 | 0.010 | 1.28 | 0.15 | 106 | 2 | 7,800 | 8-Dec-23 | 12-Dec-23 |
| 27-Dec-23 | 7.5 | <0.002 | 0.37 | <0.01 | 7 | <2 | 34 | 9-Jan-24 | 12-Jan-24 |
| 24-Jan-24 | 7.4 | <0.002 | 0.14 | <0.01 | 4 | <2 | 12 | 7-Feb-24 | 15-Feb-24 |
| 21-Feb-24 | 7.5 | <0.002 | 0.20 | 0.02 | 3 | <2 | 45 | 6-Mar-24; | 7-Mar-24 |
| 20-Mar-24 | 7.7 | 0.005 | 0.14 | <0.01 | 4 | <2 | 56 | 3-Apr-24 | 9-Apr-24 |
| 17-Apr-24 | 7.7 | 0.006 | 0.12 | 0.01 | 5 | <2 | 14 | 1-May-24 | 2-May-24 |
| 15-May-24 | 7.6 | 0.007 | 0.17 | 0.02 | 2 | <2 | 3 | 23-May-24 | 3-Jun-24 |
| 12-Jun-24 | 7.0 | 0.004 | 0.31 | 0.02 | 10 | <2 | 18 | 24-Jun-24 | 25-Jun-24 |
| 10-Jul-24 | 7.5 | <0.1 | 0.13 | 0.03 | 4 | <2 | 6 | 22-Jul-24 | 24-Jul-24 |
| 07-Aug-24 | 7.5 | <0.002 | 0.05 | 0.01 | <2 | <2 | 6 | 16-Aug-24 | 22-Aug-24 |
| 04-Sep-24 | 7.6 | 0.003 | 0.16 | 0.01 | <2 | <2 | 10 | 16-Sep-24 | 18-Sep-24 |
Monitoring point 3 – Ambient water quality monitoring (Sawpit Creek Downstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 18-Oct-23 | 7.1 | <0.002 | 0.09 | <0.01 | 3 | <2 | 4 | 31-Oct-23 | 1-Nov-23 |
| 01-Nov-23 | 7.6 | 0.015 | 0.06 | 0.01 | <2 | <2 | 3 | 14-Nov-23 | 15-Nov-23 |
| 29-Nov-23 | 7.2 | 0.009 | 1.40 | 0.17 | 146 | 3 | 4,100 | 8-Dec-23 | 12-Dec-23 |
| 27-Dec-23 | 7.2 | 0.007 | 0.32 | <0.01 | 9 | <2 | 48 | 9-Jan-24 | 12-Jan-24 |
| 24-Jan-24 | 7.4 | <0.002 | 0.16 | 0.01 | 3 | <2 | 15 | 7-Feb-24 | 15-Feb-24 |
| 21-Feb-24 | 7.4 | 0.002 | 0.19 | 0.02 | 4 | <2 | 46 | 6-Mar-24 | 7-Mar-24 |
| 20-Mar-24 | 7.4 | 0.008 | 0.14 | <0.01 | 3 | <2 | 40 | 3-Apr-24 | 9-Apr-24 |
| 17-Apr-24 | 7.5 | 0.002 | 0.12 | 0.02 | <2 | <2 | 74 | 1-May-24 | 2-May-24 |
| 15-May-24 | 7.3 | 0.008 | 0.22 | 0.02 | 2 | <2 | 6 | 23-May-24 | 3-Jun-24 |
| 12-Jun-24 | 6.9 | 0.114 | 0.42 | 0.02 | 10 | <2 | 15 | 24-Jun-24 | 25-Jun-24 |
| 10-Jul-24 | 7.2 | <0.1 | 0.08 | 0.02 | 2 | <2 | 3 | 22-Jul-24 | 24-Jul-24 |
| 07-Aug-24 | 7.2 | 0.002 | <0.05 | 0.02 | <2 | <2 | 2 | 16-Aug-24 | 22-Aug-24 |
| 04-Sep-24 | 7.3 | 0.004 | 0.11 | <0.01 | <2 | <2 | 5 | 16-Sep-24 | 18-Sep-24 |
2022–2023 data
Monitoring point 1 – Discharge to groundwater effluent quality monitoring
The outlet from the final treatment pond to an underground absorption trench.
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Oil & grease (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|---|
| 09-Nov-22 | 7.9 | <0.1 | 3.2 | 0.03 | 9 | 2 | <1 | <2 | 22-Nov-22 | 22-Nov-22 |
| 23-Nov-22 | 7.8 | <0.1 | 3.8 | 0.01 | 5 | <2 | <1 | <1 | 5-Dec-22 | 8-Dec-22 |
| 21-Dec-22 | 8.1 | 0.2 | 4.1 | 0.03 | 8 | 4 | <1 | <1 | 4-Jan-23 | 10-Jan-23 |
| 24-Jan-23 | 8.4 | <0.01 | 3.2 | 0.02 | 12 | 5 | <1 | <1 | 7-Feb-23 | 16-Feb-23 |
| 22-Feb-23 | 8.1 | <0.01 | 2.9 | 0.03 | 12 | <2 | <1 | 2 | 2-Mar-23 | 8-Mar-23 |
| 22-Mar-23 | 7.8 | <0.1 | 2.7 | 0.06 | 10 | 4 | <1 | 2 | 31-Mar-23 | 4-Apr-23 |
| 19-Apr-23 | 8.2 | 0.2 | 3.9 | 0.02 | 11 | <2 | <1 | <1 | 5-May-23 | 9-May-23 |
| 17-May-23 | 8.2 | 0.4 | 4.8 | 0.01 | 7 | 3 | <1 | <1 | 13-Jun-23 | 19-Jun-23 |
| 14-Jun-23 | 7.5 | 0.4 | 4.0 | 0.01 | 7 | <2 | <1 | <1 | 27-Jun-23 | 5-Jul-23 |
| 12-Jul-23 | 8.0 | <0.1 | 4.5 | 0.19 | 7 | 4 | <1 | 5 | 24-Jul-23 | 28-Jul-23 |
| 09-Aug-23 | 8.6 | <0.1 | 5.8 | 0.13 | 22 | 9 | <1 | 94 | 22-Aug-23 | 22-Aug-23 |
| 06-Sep-23 | 8.2 | <0.1 | 3.3 | 0.03 | 7 | 2 | <1 | 4 | 15-Sep-23 | 19-Sep-23 |
Monitoring point 2 – Ambient water quality monitoring (Sawpit Creek Upstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 26-Oct-22 | 7.3 | <0.002 | 0.19 | 0.01 | 4 | <2 | 16 | 7-Nov-22 | 22-Nov-22 |
| 09-Nov-22 | 7.1 | <0.002 | 0.17 | 0.01 | 3 | <2 | <2 | 22-Nov-22 | 22-Nov-22 |
| 23-Nov-22 | 7.1 | 0.021 | 0.17 | 0.01 | 3 | <2 | 8 | 5-Dec-22 | 8-Dec-22 |
| 21-Dec-22 | 7.2 | 0.003 | 0.12 | 0.01 | 3 | <2 | <2 | 4-Jan-23 | 10-Jan-23 |
| 24-Jan-23 | 7.1 | 0.019 | 0.23 | 0.01 | 13 | <2 | 40 | 7-Feb-23 | 16-Feb-23 |
| 22-Feb-22 | 7.2 | 0.005 | 0.14 | 0.02 | 5 | <2 | 48 | 2-Mar-23 | 8-Mar-23 |
| 22-Mar-23 | 6.9 | 0.010 | 0.15 | 0.02 | 3 | <2 | 20 | 31-Mar-23 | 4-Apr-23 |
| 19-Apr-23 | 7.7 | 0.026 | 0.11 | 0.01 | 3 | <2 | 6 | 5-May-23 | 9-May-23 |
| 17-May-23 | 7.7 | 0.003 | 0.06 | <0.01 | 2 | <2 | 2 | 13-Jun-23 | 19-Jun-23 |
| 14-Jun-23 | 7.5 | 0.025 | 0.15 | 0.01 | 6 | <2 | 4 | 27-Jun-23 | 5-Jul-23 |
| 12-Jul-23 | 7.6 | 0.014 | 0.10 | 0.01 | 3 | <2 | 1 | 24-Jul-23 | 28-Jul-23 |
| 09-Aug-23 | 7.8 | 0.016 | 0.07 | <0.01 | <2 | <2 | 17 | 22-Aug-23 | 22-Aug-23 |
| 06-Sep-23 | 7.7 | 0.010 | 0.07 | <0.01 | 3 | <2 | 26 | 15-Sep-23 | 19-Sep-23 |
Monitoring point 3 – Ambient water quality monitoring (Sawpit Creek Downstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 26-Oct-22 | 7.3 | <0.002 | 0.18 | 0.02 | 4 | <2 | 14 | 7-Nov-22 | 22-Nov-22 |
| 09-Nov-22 | 7.0 | 0.003 | 0.18 | 0.01 | 3 | <2 | 8 | 22-Nov-22 | 22-Nov-22 |
| 23-Nov-22 | 6.9 | 0.014 | 0.17 | <0.01 | 3 | <2 | 8 | 5-Dec-22 | 8-Dec-22 |
| 21-Dec-22 | 7.2 | 0.003 | 0.12 | 0.01 | 4 | <2 | 2 | 4-Jan-23 | 10-Jan-23 |
| 24-Jan-23 | 7.1 | 0.021 | 0.27 | 0.02 | 12 | <2 | 44 | 7-Feb-23 | 16-Feb-23 |
| 22-Feb-23 | 7.2 | 0.006 | 0.15 | 0.02 | 4 | <2 | 30 | 2-Mar-23 | 8-Mar-23 |
| 22-Mar-23 | 6.9 | 0.008 | 0.17 | 0.02 | 3 | <2 | 44 | 31-Mar-23 | 4-Apr-23 |
| 19-Apr-23 | 7.5 | 0.025 | 0.13 | 0.01 | 4 | <2 | 6 | 5-May-23 | 9-May-23 |
| 17-May-23 | 7.3 | 0.005 | 0.06 | <0.01 | <2 | <2 | 9 | 13-Jun-23 | 19-Jun-23 |
| 14-Jun-23 | 7.2 | 0.037 | 0.14 | 0.01 | 5 | <2 | 4 | 27-Jun-23 | 5-Jul-23 |
| 12-Jul-23 | 7.3 | 0.017 | 0.11 | 0.01 | 3 | <2 | 1 | 24-Jul-23 | 28-Jul-23 |
| 09-Aug-23 | 7.5 | 0.014 | 0.07 | <0.01 | <2 | <2 | 8 | 22-Aug-23 | 22-Aug-23 |
| 06-Sep-23 | 7.4 | 0.007 | 0.08 | <0.01 | 3 | <2 | 79 | 15-Sep-23 | 19-Sep-23 |
2021–2022 data
Monitoring point 1 – Discharge to groundwater effluent quality monitoring
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Oil & grease (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|---|
| 27-Oct-21 | 8.4 | <0.1 | 4.5 | 0.05 | 9 | 4 | <1 | 1 | 08-Nov-21 | 08-Dec-21 |
| 24-Nov-21 | 7.7 | <0.1 | 2.8 | 0.06 | 16 | 6 | <1 | <2 | 06-Dec-21 | 08-Dec-21 |
| 22-Dec-21 | 7.6 | 0.2 | 2.2 | <0.01 | 3 | <2 | <1 | 4 | 05-Jan-22 | 13-Jan-22 |
| 19-Jan-22 | 7.9 | <0.1 | 1.7 | 0.03 | 10 | 3 | <1 | 5 | 31-Jan-22 | 01-Feb-22 |
| 16-Feb-22 | 8.1 | <0.1 | 4.3 | 0.02 | 5 | <2 | <1 | <1 | 24-Feb-22 | 01-Mar-22 |
| 16-Mar-22 | 7.8 | 1.3 | 3.5 | 0.05 | 13 | 3 | <1 | 3 | 25-Mar-22 | 30-Mar-22 |
| 13-Apr-22 | 8.0 | <0.1 | 4.2 | 0.03 | 4 | <2 | <1 | <1 | 27-Apr-22 | 28-Apr-22 |
| 11-May-22 | 8.0 | <0.1 | 4.7 | 0.08 | 9 | <2 | <1 | 23 | 20-May-22 | 30-May-22 |
| 08-Jun-22 | 7.8 | 0.4 | 3.8 | <0.01 | 3 | <2 | <1 | <1 | 21-Jun-22 | 12-Jul-22 |
| 06-Jul-22 | 7.7 | <0.1 | 6.1 | <0.01 | 4 | <2 | <1 | 1 | 14-Jul-22 | 21-Jul-22 |
| 03-Aug-22 | 7.9 | <0.1 | 4.0 | 0.16 | 8 | 3 | <1 | <1 | 15-Aug-22 | 16-Aug-22 |
| 31-Aug-22 | 8.1 | <0.1 | 3.8 | 0.20 | 13 | <2 | <1 | 6 | 8-Sep-22 | 20-Sep-22 |
| 28-Sep-22 | 8.1 | <0.1 | 1.6 | 0.03 | 18 | 4 | <1 | <1 | 11-Oct-22 | 17-Oct-22 |
Monitoring point 2 – Ambient water quality monitoring (Sawpit Creek Upstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 27-Oct-21 | 8.2 | 0.032 | 0.14 | 0.01 | 3 | <2 | 8 | 08-Nov-21 | 08-Dec-21 |
| 24-Nov-21 | 7.9 | 0.011 | 0.15 | <0.01 | 3 | <2 | 6 | 06-Dec-21 | 08-Dec-21 |
| 22-Dec-21 | 8.0 | 0.009 | 0.16 | <0.01 | <2 | <2 | 27 | 05-Jan-22 | 13-Jan-22 |
| 19-Jan-22 | 8.0 | <0.002 | 0.20 | 0.02 | 3 | <2 | 26 | 31-Jan-22 | 01-Feb-22 |
| 16-Feb-22 | 7.5 | <0.002 | 0.16 | 0.01 | 7 | <2 | 27 | 24-Feb-22 | 01-Mar-22 |
| 16-Mar-22 | 7.2 | 0.013 | 0.15 | 0.01 | 2 | <2 | 33 | 25-Mar-22 | 30-Mar-22 |
| 13-Apr-22 | 7.4 | <0.002 | 0.16 | 0.01 | 4 | <2 | 4 | 27-Apr-22 | 28-Apr-22 |
| 11-May-22 | 7.4 | 0.002 | 0.12 | 0.01 | 4 | <2 | 1 | 20-May-22 | 30-May-22 |
| 08-Jun-22 | 8.2 | <0.002 | 0.12 | 0.01 | 3 | <2 | 3 | 21-Jun-22 | 12-Jul-22 |
| 06-Jul-22 | 7.3 | <0.002 | 0.13 | <0.01 | 3 | <2 | <1 | 14-Jul-22 | 21-Jul-22 |
| 03-Aug-22 | 7.3 | 0.004 | 0.12 | <0.01 | 5 | <2 | 3 | 15-Aug-22 | 16-Aug-22 |
| 31-Aug-22 | 7.3 | <0.002 | 0.13 | 0.01 | 4 | <2 | 7 | 8-Sep-22 | 20-Sep-22 |
| 28-Sep-22 | 7.4 | 0.030 | 0.24 | 0.02 | 16 | <2 | 92 | 11-Oct-22 | 17-Oct-22 |
| 26-Oct-22 | 7.3 | <0.002 | 0.19 | 0.01 | 4 | <2 | 16 | 7-Nov-22 | 15-Nov-22 |
Monitoring point 3 – Ambient water quality monitoring (Sawpit Creek Downstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 27-Oct-21 | 7.9 | 0.019 | 0.11 | 0.01 | 3 | <2 | 13 | 08-Nov-21 | 08-Dec-21 |
| 24-Nov-21 | 7.7 | 0.015 | 0.15 | <0.01 | 3 | <2 | 4 | 06-Dec-21 | 08-Dec-21 |
| 22-Dec-21 | 7.7 | 0.013 | 0.16 | 0.01 | <2 | <2 | 74 | 05-Jan-22 | 13-Jan-22 |
| 19-Jan-22 | 7.8 | <0.002 | 0.21 | 0.02 | 4 | <2 | 18 | 31-Jan-22 | 01-Feb-22 |
| 16-Feb-22 | 7.5 | <0.002 | 0.39 | 0.03 | 3 | <2 | 26 | 24-Feb-22 | 01-Mar-22 |
| 16-Mar-22 | 7.1 | <0.002 | 0.15 | 0.01 | 2 | <2 | 15 | 25-Mar-22 | 30-Mar-22 |
| 13-Apr-22 | 7.3 | 0.008 | 0.18 | 0.01 | 4 | <2 | <2 | 27-Apr-22 | 28-Apr-22 |
| 11-May-22 | 7.4 | 0.004 | 0.10 | 0.01 | 3 | <2 | <1 | 20-May-22 | 30-May-22 |
| 08-Jun-22 | 7.2 | <0.002 | 0.11 | <0.01 | 2 | <2 | <2 | 21-Jun-22 | 12-Juy-22 |
| 06-Jul-22 | 7.3 | <0.002 | 0.14 | <0.01 | 2 | <2 | 1 | 14-Jul-22 | 21-Jul-22 |
| 03-Aug-22 | 7.3 | 0.007 | 0.13 | <0.01 | 6 | <2 | 1 | 15-Aug-22 | 16-Aug-22 |
| 31-Aug-22 | 7.2; | <0.002 | 0.12 | 0.01 | 3 | <2 | 1 | 8-Sep-22 | 20-Sep-22 |
| 28-Sep-22 | 7.3 | 0.004 | 0.24 | 0.03 | 16 | <2 | 420 | 11-Oct-22 | 17-Oct-22 |
| 26-Oct-22 | 7.3 | <0.002 | 0.18 | 0.02 | 4 | <2 | 14 | 7-Nov-22 | 15-11-22 |
2020–2021 data
Monitoring point 1 – Discharge to groundwater effluent quality monitoring
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Oil & grease (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|---|
| 14-Oct-20 | 8.4 | 0.1 | 4.3 | 0.03 | 7 | 2 | <1 | <1 | 22-Oct-20 | 31-Oct-20 |
| 11-Nov-20 | 8.1 | <0.1 | 1.2 | 0.02 | 3 | <2 | <1 | <1 | 23-Nov-20 | 30-Nov-20 |
| 09-Dec-20 | 8.6 | <0.1 | 1.9 | 0.06 | 20 | 6 | <1 | <1 | 21-Dec-20 | 22-Dec-20 |
| 06-Jan-21 | 8.2 | <0.1 | 5.5 | 0.19 | 41 | 11 | <1 | 4 | 18-Jan-21 | 20-Jan-21 |
| 03-Feb-21 | 8.4 | <0.1 | 2.5 | 0.06 | 18 | 6 | <1 | <2 | 12-Feb-21 | 18-Feb-21 |
| 3-Mar-21 | 7.6 | <0.1 | 1.6 | 0.04 | 10 | 3 | <1 | <1 | 16-Mar-21 | 18-Mar-21 |
| 31-Mar-21 | 8.2 | 0.2 | 3.3 | 0.04 | 7 | <2 | <1 | 6 | 14-Apr-21 | 19-Apr-21 |
| 28-Apr-21 | 8.3 | 1.1 | 7.8 | 0.08 | 13 | 4 | <1 | 65 | 06-May-21 | 10-May-21 |
| 26-May-21 | 8.2 | 0.5 | 4.7 | 0.03 | 8 | 2 | <1 | 10 | 09-Jun-21 | 09-Jun-21 |
| 23-Jun-21 | 7.9 | 0.2 | 5.5 | 0.01 | 5 | <2 | <1 | <1 | 30-Jun-21 | 01-Jul-21 |
| 21-Jul-21 | 7.8 | 0.3 | 4.0 | 0.02 | 6 | <2 | <1 | 1 | 30-Jul-21 | 02-Aug-21 |
| 18-Aug-21 | 8.1 | 0.8 | 6.7 | 0.03 | 7 | <2 | <1 | <1 | 25-Aug-21 | 26-Aug-21 |
| 15-Sep-21 | 8.2 | <0.1 | 6.7 | 0.04 | 6 | 2 | <1 | 4 | 24-Sep-21 | 05-Oct-21 |
Monitoring point 2 – Ambient water quality monitoring (Sawpit Creek Upstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 14-Oct-20 | 7.3 | 0.003 | 0.14 | 0.02 | 3 | <2 | 10 | 22-Oct-20 | 31-Oct-20 |
| 11-Nov-20 | 7.8 | 0.006 | 0.14 | 0.02 | 3 | <2 | 5 | 23-Nov-20 | 30-Nov-20 |
| 09-Dec-20 | 7.7 | 0.002 | 0.12 | <0.01 | <2 | <2 | 17 | 21-Dec-20 | 22-Dec-20 |
| 06-Jan-21 | 7.9 | 0.018 | 0.18 | 0.01 | 2 | <2 | 31 | 18-Jan-21 | 20-Jan-21 |
| 03-Feb-21 | 7.8 | 0.022 | 0.07 | <0.01 | <2 | <2 | 33 | 12-Feb-21 | 18-Feb-21 |
| 03-Mar-21 | 7.5 | 0.005 | 0.07 | <0.01 | <2 | <2 | 180 | 16-Mar-21 | 18-Mar-21 |
| 31-Mar-21 | 6.3 | 0.003 | 0.13 | <0.01 | <2 | <2 | 30 | 14-Apr-21 | 19-Apr-21 |
| 28-Apr-21 | 8.0 | <0.002 | 0.08 | <0.01 | <2 | <2 | 3 | 06-May-21 | 10-May-21 |
| 26-May-21 | 7.9 | <0.002 | 0.24 | 0.02 | 17 | <2 | 14 | 09-Jun-21 | 09-Jun-21 |
| 23-Jun-21 | 8.0 | 0.003 | 0.13 | <0.01 | <2 | <2 | 2 | 30-Jun-21 | 01-Jul-21 |
| 21-Jul-21 | 8.0 | 0.011 | 0.10 | <0.01 | <2 | <2 | 4 | 30-Jul-21 | 02-Aug-21 |
| 18-Aug-21 | 8.2 | 0.004 | 0.11 | <0.01 | <2 | <1 | <1 | 25-Aug-21 | 26-Aug-21 |
| 15-Sep-21 | 8.2 | 0.003 | 0.11 | <0.01 | <2 | <2 | 24 | 24-Sep-21 | 05-Oct-21 |
Monitoring point 3 – Ambient water quality monitoring (Sawpit Creek Downstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 14-Oct-20 | 7.2 | 0.002 | 0.14 | 0.02 | 3 | <2 | 15 | 22-Oct-20 | 31-Oct-20 |
| 11-Nov-20 | 7.4 | 0.004 | 0.15 | 0.01 | 2 | <2 | 12 | 23-Nov-20 | 30-Nov-20 |
| 09-Dec-20 | 7.5 | 0.003 | 0.12 | <0.01 | <2 | <2 | 17 | 21-Dec-20 | 22-Dec-20 |
| 06-Jan-21 | 7.6 | 0.015 | 0.17 | 0.01 | 3 | <2 | 23 | 18-Jan-21 | 20-Jan-21 |
| 03-Feb-21 | 7.4 | 0.018 | 0.07 | 0.01 | <2 | <2 | 56 | 12-Feb-21 | 18-Feb-21 |
| 03-Mar-21 | 7.4 | 0.003 | 0.08 | <0.01 | <2 | <2 | 416 | 16-Mar-21 | 18-Mar-21 |
| 31-Mar-21 | 6.8 | <0.002 | 0.13 | <0.01 | <2 | <2 | 4 | 14-Apr-21 | 19-Apr-21 |
| 28-Apr-21 | 7.8 | 0.013 | 0.07 | <0.01 | <2 | <2 | 2 | 06-May-21 | 10-May-21 |
| 26-May-21 | 7.8 | <0.002 | 0.20 | 0.02 | 10 | <2 | 12 | 09-Jun-21 | 09-Jun-21 |
| 23-Jun-21 | 7.8 | <0.002 | 0.13 | <0.01 | <2 | <2 | 2 | 30-Jun-21 | 01-Jul-21 |
| 21-Jul-21 | 7.8 | 0.017 | 0.10 | <0.01 | <2 | <2 | 1 | 30-Jul-21 | 02-Aug-21 |
| 18-Aug-21 | 7.9 | 0.004 | 0.11 | <0.01 | <2 | <1 | <1 | 25-Aug-21 | 26-Aug-21 |
| 15-Sep-21 | 8.0 | 0.006 | 0.13 | <0.01 | <2 | <2 | 10 | 24-Sep-21 | 05-Oct-21 |
2019–2020 data
Monitoring point 1 – Discharge to groundwater effluent quality monitoring
The outlet from the final treatment pond to an underground absorption trench.
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Oil & grease (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|---|
| 16-Oct-19 | 8.8 | <0.1 | 0.4 | <0.01 | 15 | 5 | <1 | <2 | 28-Oct-19 | 4-Nov-19 |
| 13-Nov-19 | 8.5 | <0.1 | 5.1 | 0.12 | 23 | 10 | <1 | <1 | 28-Nov-19 | 4-Dec-19 |
| 11-Dec-19 | 8.6 | <0.1 | 2.3 | 0.04 | 10 | 4 | <1 | <1 | 9-Jan-20 | 14-Jan-20 |
| 8-Jan-20 | 8.2 | 0.4 | 3.6 | 0.07 | 7 | 7 | <1 | 8 | 11-Feb-20 | 17-Feb-20 |
| 12-Feb-20 | 8.3 | <0.1 | 2.2 | 0.04 | 7 | <2 | <1 | <2 | 25-Feb-20 | 26-Feb-20 |
| 4-Mar-20 | 8.5 | 0.3 | 4.4 | 0.04 | 12 | 5 | <1 | 2 | 19-Mar-20 | 24-Mar-20 |
| 1-Apr-20 | 8.4 | 0.1 | 3.0 | 0.03 | 20 | 5 | <1 | <2 | 17-Apr-20 | 20-Apr-20 |
| 30-Apr-20 | 8.3 | 0.3 | 6.1 | 0.03 | 6 | <2 | <1 | <1 | 11-May-20 | 14-May-20 |
| 27-May-20 | 8.1 | 0.4 | 4.9 | 0.04 | 7 | 3 | <1 | 2 | 5-Jun-20 | 11-Jun-20 |
| 24-Jun-20 | 8.1 | 0.4 | 5.3 | 0.01 | 3 | <2 | <1 | <2 | 3-Jul-20 | 11-Jul-20 |
| 22-Jul-20 | 8.0 | 0.2 | 5.1 | <0.01 | <2 | <2 | <1 | 1 | 30-Jul-20 | 5-Aug-20 |
| 19-Aug-20 | 8.1 | <0.1 | 4.8 | 0.03 | 2 | <2 | <1 | 2 | 31-Aug-20 | 14-Sep-20 |
| 16-Sep-20 | 8.9 | <0.1 | 2.5 | 0.02 | 4 | <2 | <1 | <1 | 24-Sep-20 | 1-Oct-20 |
Monitoring point 2 – Ambient water quality monitoring (Sawpit Creek Upstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 16-Oct-19 | 7.5 | 0.013 | 0.23 | 0.01 | 3 | <2 | <2 | 28-Oct-19 | 4-Nov-19 |
| 13-Nov-19 | 7.4 | 0.024 | 0.14 | <0.01 | <2 | <2 | 14 | 28-Nov-19 | 4-Dec-19 |
| 11-Dec-19 | 7.6 | 0.020 | 0.08 | 0.02 | 2 | <2 | 8 | 9-Jan-20 | 14-Jan-20 |
| 8-Jan-20 | 7.5 | 0.008 | 0.16 | 0.02 | 2 | <2 | 105 | 11-Feb-20 | 17-Feb-20 |
| 12-Feb-20 | 7.0 | 0.021 | 0.35 | 0.02 | 4 | <2 | 74 | 25-Feb-20 | 26-Feb-20 |
| 4-Mar-20 | 7.5 | 0.006 | 0.12 | <0.01 | 3 | <2 | 402 | 19-Mar-20 | 24-Mar-20 |
| 1-Apr-20 | 7.5 | 0.002 | 0.10 | <0.01 | <2 | <2 | 6 | 17-Apr-20 | 20-Apr-20 |
| 20-Apr-20 | 7.5 | 0.009 | 0.38 | 0.02 | 7 | <2 | 25 | 11-May-20 | 14-May-20 |
| 27-May-20 | 7.5 | <0.002 | 0.13 | <0.01 | <2 | <2 | 66 | 5-Jun-20 | 11-Jun-20 |
| 24-Jun-20 | 7.5 | <0.002 | 0.12 | <0.01 | <2 | <2 | <2 | 3-Jul-20 | 11-Jul-20 |
| 22-Jul-20 | 7.4 | 0.011 | 0.13 | 0.01 | <2 | <2 | 2 | 30-Jul-20 | 5-Aug-20 |
| 19-Aug-20 | 7.7 | 0.004 | 0.15 | 0.02 | 2 | <2 | <1 | 31-Aug-20 | 14-Sep-20 |
| 16-Sep-20 | 7.8 | 0.005 | 0.12 | <0.01 | <2 | <2 | 16 | 24-Sep-20 | 1-Oct-20 |
Monitoring point 3 – Ambient water quality monitoring (Sawpit Creek Downstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 16-Oct-19 | 7.3 | 0.002 | 0.14 | 0.01 | <2 | <2 | 6 | 28-Oct-19 | 4-Nov-19 |
| 13-Nov-19 | 7.4 | 0.010 | 0.14 | <0.01 | 2 | <2 | 10 | 28-Nov-19 | 4-Dec-19 |
| 11-Dec-19 | 7.5 | 0.026 | 0.11 | 0.02 | 2 | <2 | 15 | 9-Jan-20 | 14-Jan-20 |
| 8-Jan-20 | 7.4 | 0.005 | 0.15 | 0.02 | 2 | <2 | 109 | 11-Feb-20 | 17-Feb-20 |
| 12-Feb-20 | 7.1 | 0.019 | 0.37 | 0.02 | 6 | <2 | 76 | 25-Feb-20 | 26-Feb-20 |
| 4-Mar-20 | 7.3 | 0.017 | 0.13 | <0.01 | 2 | <2 | 84 | 19-Mar-20 | 24-Mar-20 |
| 1-Apr-20 | 7.4 | 0.038 | 0.11 | <0.01 | <2 | <2 | 12 | 17-Apr-20 | 20-Apr-20 |
| 30-Apr-20 | 7.1 | 0.011 | 0.39 | 0.02 | 9 | <2 | 24 | 11-May-20 | 14-May-20 |
| 27-May-20 | 7.2 | <0.002 | 0.13 | <0.01 | <2 | <2 | 6 | 5-Jun-20 | 11-Jun-20 |
| 24-Jun-20 | 7.2 | <0.002 | 0.12 | <0.01 | <2 | <2 | <2 | 3-Jul-20 | 11-Jul-20 |
| 22-Jul-20 | 7.0 | 0.009 | 0.15 | 0.01 | <2 | <2 | 2 | 30-Jul-20 | 5-Aug-20 |
| 19-Aug-20 | 7.3 | 0.005 | 0.19 | 0.02 | 2 | <2 | 1 | 31-Aug-20 | 14-Sep-20 |
| 16-Sep-20 | 7.5 | 0.009 | 0.12 | <0.01 | <2 | <2 | 55 | 24-Sep-20 | 1-Oct-20 |
2018–2019 data
Monitoring point 1 – Discharge to groundwater effluent quality monitoring
The outlet from the final treatment pond to an underground absorption trench.
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Oil & grease (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|---|
| 17-Oct-18 | 8.3 | 0.1 | 2.4 | 0.04 | 10 | <2 | <1 | <2 | 31-Oct-18 | 06-Nov-18 |
| 14-Nov-18 | 8.5 | 0.2 | 4.1 | 0.06 | 9 | <2 | <1 | <2 | 26-Nov-18 | 03-Dec-18 |
| 12-Dec-18 | 8.5 | 0.2 | 2.5 | 0.02 | 4 | <2 | <1 | <2 | 24-Dec-18 | 10-Jan-19 |
| 09-Jan-19 | 8.2 | <0.1 | 2.7 | 0.03 | 7 | <2 | <1 | <2 | 04-Feb-19 | 08-Feb-19 |
| 06-Feb-19 | 8.2 | 0.1 | 2.9 | 0.04 | 20 | 6 | <1 | <2 | 22-Feb-19 | 08-Mar-19 |
| 06-Mar-19 | 8.4 | 0.9 | 2.6 | 0.05 | 6 | 2 | <1 | <2 | 23-Mar-19 | 08-Apr-19 |
| 03-Apr-19 | 8.3 | <0.1 | 4.6 | 0.04 | 10 | 4 | <1 | 12 | 30-Apr-19 | 10-May-19 |
| 01-May-19 | 8.1 | <0.1 | 3.2 | 0.06 | 8 | <2 | <1 | <2 | 16-May-19 | 20-May-19 |
| 29-May-19 | 8.4 | <0.1 | 2.4 | 0.17 | 14 | 7 | <1 | <2 | 17-Jun-19 | 24-Jun-19 |
| 26-Jun-19 | 8.3 | 0.8 | 7.1 | 0.05 | 10 | 2 | <1 | <2 | 9-Jul-19 | 9-Jul-19 |
| 24-Jul-19 | 8.3 | 0.6 | 6.3 | 0.10 | 6 | 5 | <1 | <2 | 6-Aug-19 | 19-Aug-19 |
| 21-Aug-19 | 8.2 | <0.1 | 5.2 | 0.16 | 9 | 4 | <1 | <1 | 9-Sep-19 | 17-Sep-19 |
| 18-Sep-19 | 8.2 | 0.2 | 4.4 | 0.11 | 8 | 4 | <1 | <1 | 27-Sep-19 | 1-Oct-19 |
Monitoring point 2 – Ambient water quality monitoring (Sawpit Creek Upstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 17-Oct-18 | 7.4 | 0.003 | 0.17 | 0.01 | <2 | <2 | 8 | 31-Oct-18 | 06-Nov-18 |
| 14-Nov-18 | 7.4 | 0.002 | 0.13 | 0.01 | 4 | <2 | 16 | 26-Nov-18 | 03-Dec-18 |
| 12-Dec-18 | 7.5 | <0.002 | 0.22 | 0.03 | 25 | <2 | <2 | 24-Dec-18 | 10-Jan-19 |
| 09-Jan-19 | 7.3 | 0.002 | 0.40 | 0.03 | 16 | <2 | 180 | 04-Feb-19 | 08-Feb-19 |
| 06-Feb-19 | 7.3 | 0.012 | 0.30 | 0.02 | 7 | <2 | 102 | 22-Feb-19 | 08-Mar-19 |
| 06-Mar-19 | 7.6 | 0.009 | 0.14 | 0.02 | 4 | <2 | 186 | 23-Mar-19 | 08-Apr-19 |
| 03-Apr-19 | 7.4 | 0.020 | 0.13 | 0.01 | <2 | <2 | 4 | 30-Apr-19 | 10-May-19 |
| 01-May-19 | 7.4 | 0.022 | 0.10 | 0.01 | <2 | <2 | <2 | 16-May-19 | 20-May-19 |
| 29-May-19 | 7.2 | 0.029 | 0.40 | 0.06 | 33 | <2 | 14 | 17-Jun-19 | 24-Jun-19 |
| 26-Jun-19 | 7.4 | 0.018 | 0.09 | 0.02 | <2 | <2 | <2 | 9-Jul-19 | 9-Jul-19 |
| 24-Jul-19 | 7.3 | <0.002 | 0.16 | 0.01 | 6 | <2 | <2 | 6-Aug-19 | 19-Aug-19 |
| 21-Aug-19 | 7.2 | 0.004 | 0.12 | 0.01 | <2 | <2 | <1 | 9-Sep-19 | 17-Sep-19 |
| 18-Sep-19 | 7.3 | <0.002 | 0.18 | 0.01 | <2 | <2 | 7 | 27-Sep-19 | 1-Oct-19 |
Monitoring point 3 – Ambient water quality monitoring (Sawpit Creek Downstream)
| Sample date | pH | Nitrogen – ammonia (mg/L) | Nitrogen – total (mg/L) | Phosphorus total (mg/L) | Total suspended solids (mg/L) | Biochemical oxygen demand (mg/L) | Faecal coliforms (cfu/100mL) | Data obtained | Data published |
|---|---|---|---|---|---|---|---|---|---|
| 17-Oct-18 | 7.3 | 0.002 | 0.13 | 0.01 | <2 | <2 | 4 | 31-Oct-18 | 06-Nov-18 |
| 14-Nov-18 | 7.4 | 0.004 | 0.11 | 0.01 | <2 | <2 | 10 | 26-Nov-18 | 03-Dec-18 |
| 12-Dec-18 | 7.4 | <0.002 | 0.14 | 0.02 | <2 | <2 | 4 | 24-Dec-18 | 10-Jan-19 |
| 09-Jan-19 | 7.3 | 0.004 | 0.40 | 0.04 | 14 | <2 | 418 | 04-Feb-19 | 08-Feb-19 |
| 06-Feb-19 | 7.3 | 0.009 | 0.31 | 0.02 | 7 | <2 | 380 | 22-Feb-19 | 08-Mar-19 |
| 06-Mar-19 | 7.5 | 0.010 | 0.13 | 0.02 | 8 | <2 | 220 | 23-Mar-19 | 08-Apr-19 |
| 03-Apr-19 | 7.4 | 0.022 | 0.13 | 0.01 | <2 | <2 | 4 | 30-Apr-19 | 10-May-19 |
| 01-May-19 | 7.4 | 0.023 | 0.16 | 0.02 | 2 | <2 | 2 | 16-May-19 | 20-May-19 |
| 29-May-19 | 7.2 | 0.028 | 0.33 | 0.05 | 28 | <2 | 42 | 17-Jun-19 | 24-Jun-19 |
| 26-Jun-19 | 7.3 | 0.018 | 0.09 | 0.02 | <2 | <2 | <2 | 9-Jul-19 | 9-Jul-19 |
| 24-Jul-19 | 7.1 | <0.002 | 0.18 | 0.02 | 8 | <2 | <2 | 6-Aug-19 | 19-Aug-19 |
| 21-Aug-19 | 7.2 | 0.005 | 0.14 | 0.01 | <2 | <2 | <1 | 9-Sep-19 | 17-Sep-19 |
| 18-Sep-19 | 7.1 | <0.002 | 0.17 | 0.01 | <2 | <2 | 6 | 27-Sep-19 | 1-Oct-19 |