Sawpit Creek Sewage Plant: Pollutant monitoring data archive

Regular monitoring and reporting of specified pollutants at the Sawpit Creek Sewage Plant is required by Environment Protection Licence No. 447.

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 825KB).

Monitoring frequency required by Environment Protection Licence No. 447 for all points is monthly.

Pollutant monitoring data

2023–2024 | 2022–2023 | 2021–2022 | 2020–2021 | 2019–2020 | 2018–2019

2023–2024 data

The outlet from the final treatment pond to an underground absorption trench.

Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical
oxygen
demand		 Oil &
grease		 Faecal
coliforms		 Data obtained Data published


mg/L mg/L mg/L mg/L mg/L mg/L cfu/100mL

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
Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published


mg/L mg/L mg/L mg/L mg/L cfu/100ml

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

Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published


mg/L mg/L mg/L mg/L mg/L cfu/100ml

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

The outlet from the final treatment pond to an underground absorption trench.

Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical
oxygen
demand		 Oil &
grease		 Faecal
coliforms		 Data obtained Data published


mg/L mg/L mg/L mg/L mg/L mg/L cfu/100mL

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
Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published


mg/L mg/L mg/L mg/L mg/L cfu/100ml

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
Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published


mg/L mg/L mg/L mg/L mg/L cfu/100ml

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

Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical
oxygen
demand		 Oil &
grease		 Faecal
coliforms		 Data obtained Data published
mg/L mg/L mg/L mg/L mg/L mg/L cfu/100mL
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

Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published
mg/L mg/L mg/L mg/L mg/L cfu/100ml
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

Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published
mg/L mg/L mg/L mg/L mg/L cfu/100ml
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

Sample date        pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical
oxygen
demand		 Oil &
grease		 Faecal
coliforms		 Data obtained Data published
    mg/L mg/L mg/L mg/L mg/L mg/L cfu/100mL    
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
Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published
    mg/L mg/L mg/L mg/L mg/L cfu/100ml    
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
Sample date  pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published
    mg/L mg/L mg/L mg/L mg/L cfu/100ml    
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

The outlet from the final treatment pond to an underground absorption trench.

Sample date        pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical
oxygen
demand		 Oil &
grease		 Faecal
coliforms		 Data obtained Data published
    mg/L mg/L mg/L mg/L mg/L mg/L cfu/100mL    
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
Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published
    mg/L mg/L mg/L mg/L mg/L cfu/100ml    
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
Sample date  pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published
    mg/L mg/L mg/L mg/L mg/L cfu/100ml    
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

The outlet from the final treatment pond to an underground absorption trench.

Sample date        pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical
oxygen
demand		 Oil &
grease		 Faecal
coliforms		 Data obtained Data published
    mg/L mg/L mg/L mg/L mg/L mg/L cfu/100mL    
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
Sample date pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published
    mg/L mg/L mg/L mg/L mg/L cfu/100ml    
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
Sample date  pH Nitrogen
(ammonia)		 Nitrogen
(total)		 Phosphorus
(total)		 Total
suspended solids		 Biochemical oxygen
demand		 Faecal
coliforms		 Data obtained Data published
    mg/L mg/L mg/L mg/L mg/L cfu/100ml    
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