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, Industry 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

2018–2019 | 2017–2018 | 2016–2017 | 2015–2016 | 2014–2015

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

2017–2018 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    
11-Oct-17 No discharge    
08-Nov-17 No discharge 16-Nov-17 20-Nov-17
06-Dec-17 8.5  <0.1  1.8   0.08 25 <1   <1 14-Dec-17 14-Dec-17 
10-Jan-18 8.7 <0.1 2.4 0.33 34 4 <1 <2 19-Jan-18 23-Jan-18
07-Feb-18 7.9 <0.1 1.4 0.08 5 <2 <1 <1 16-Feb-18 20-Feb-18
07-Mar-18 8.2 <0.1 1.5 0.10 11 <2 <1 <1 16-Mar-18 22-Mar-18
04-Apr-18 8.2 0.2 7.6 0.29 34 9 <1 10 13-Apr-18 19-Apr-18
02-May-18 8.0 <0.1 3.5 0.19 26 4 <1 18 11-May-18 17-May-18
30-May-18 8.0 0.6 5.8 0.19 31 3 <1 <2 12-Jun-18 15-Jun-18
27-Jun-18 7.8 0.2 8.1 0.32 75 6 <1 2 9-Jul-18 12-Jul-18
25-Jul-18 No discharge 3-Aug-18 6-Aug-18
22-Aug-18 7.7 2.1 5.9 0.04 4 <2 <1 <2 3-Sep-18 10-Sep-18
19-Sep-18 8.2 0.2 3.0 0.05 16 4 <1 <2 9-Oct-18 22-Oct-18
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    
11-Oct-17 7.5 <0.1 0.10 <0.01 <2  <2  19-Oct-17  31-Oct-17 
08-Nov-17 7.3 <0.1 0.15 0.01 3 <2 10 16-Nov-17 20-Nov-17
06-Dec-17 7.3 <0.1 0.25 0.02 6 <2 18 14-Dec-17 14-Dec-17
10-Jan-18 7.4 <0.1 0.12 <0.01 3 <2 41 19-Jan-18 23-Jan-18
07-Feb-18 7.4 <0.1 0.09 0.01 <2 <2 16 16-Feb-20 20-Feb-18
07-Mar-18 7.5 <0.1 0.08 0.01 <2 <2 7 16-Mar-18 22-Mar-18
04-Apr-18 7.5 <0.1 0.08 0.01 <2 <2 3 13-Apr-18 19-Apr-18
02-May-18 7.6 <0.1 0.07 0.01 <2 <2 246 11-May-18 17-May-18
30-May-18 7.5 <0.1 0.07 <0.01 2 <2 2 12-Jun-18 15-Jun-18
27-Jun-18 7.4 <0.1 0.08 0.01 <2 <2 4 9-Jul-18 12-Jul-18
25-Jul-18 7.4 <0.1 0.12 <0.01 3 <2 4 3-Aug-18 6-Aug-18
22-Aug-18 7.2 <0.1 0.06 <0.01 <2 <2 14 3-Sep-18 10-Sep-18
19-Sep-18 7.0 0.1 0.12 <0.01 <2 <2 12 9-Oct-18  22-Oct-18
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    
11-Oct-17 7.3  <0.1  0.11  <0.01  <2  20  19-Oct-17  31-Oct-17 
08-Nov-17 7.3 <0.1 0.15 0.02 3 <2 6 16-Nov-17 20-Nov-17
06-Dec-17 7.2 <0.1 0.25 0.02 6 <2 8 14-Dec-17 14-Dec-17
10-Jan-18 7.4 <0.1 0.11 <0.01 2 <2 60 19-Jan-18 23-Jan-18
07-Feb-18 7.3 <0.1 0.10 0.01 <2 <2 60 16-Feb-18 20-Feb-18
07-Mar-18 7.5 <0.1 0.09 0.01 <2 <2 18 16-Mar-18 22-Mar-18
04-Apr-18 7.6 <0.1 0.08 0.01 2 <2 2 13-Arp-18 19-Apr-18
02-May-18 7.6 <0.1 0.05 <0.01 <2 <2 6 11-May-18 17-May-18
30-May-18 7.5 <0.1 0.08 <0.01 2 <2 <2 12-Jun-18 15-Jun-18
27-Jun-18 7.4 <0.1 0.09 0.01 3 <2 2 9-Jul-18 12-Jul-18
25-Jul-18 7.4 <0.1 0.12 <0.01 2 <2 2 3-Aug-18 6-Aug-18
22-Aug-18 7.2 <0.1 0.08 <0.01 <2 <2 18 3-Sep-18 10-Sep-18
19-Sep-18 7.1 <0.1 0.11 <0.01 <2 <2 6 9-Oct-18 22-Oct-18

2016–2017 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    
05-Oct-16 8.2 0.4 4.7 0.12 6 3 <1 10  14-Oct-16 18-Oct-16
02-Nov-16 8.5 <0.1 1.1 0.06 5 4 <1 <1 14-Nov-16 18-Nov-16
07-Dec-16 No discharge           15-Dec-16 19-Dec-16
11-Jan-17 8.8 <0.1 3.1 0.17 27 11 <1 <1 22-Jan-17 24-Jan-17
08-Feb-17 8.3 <0.1 2.4 0.18 15 7 <1 <2 15-Feb-17 16-Feb-17
08-Mar-17 No discharge           16-Mar-17 18-Mar-17
12-Apr-17 8.2 <0.1 2.6 0.16 18 4 <1 <1 24-Apr-17 28-Apr-17
10-May17 8.0 <0.1 1.9 0.06 27 4 <1 <1 19-May-17 23-May-17
14-Jun-17 8.1 0.5 3.7 0.02 <2 <2 <1 49 22-Jun-17 07-Jul-17
12-Jul-17 7.9 10.6 14.0 0.20 2 <2 <1 <1 19-Jul-17 25-Jul-17
26-Jul-17 7.7 2.2 5.4 0.59 21 3 <1 <1 03-Aug-17 04-Jul-17
09-Aug-17 8.4 <0.1 3.3 0.25 14 6 <1 <1 17-Aug-17 18-Aug-17
06-Sep-17 7.9 <0.1 2.5 0.22 23 <2 <1 <1 14-Sep-17 22-Sep-17
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    
05-Oct-16 7.2  <0.1  0.19 0.02 3 <2 14 14-Oct-16 18-Oct-16
02-Nov-16 7.5 <0.1 0.11 <0.01 <2 <2 43 14-Nov-16 18-Nov-16
07-Dec-16 7.6 <0.1 0.14 0.01 3 <2 10 15-Dec-16 19-Dec-16
11-Jan-17 7.5 <0.1 0.15 0.01 2 <2 27 22-Jan-17 24-Jan-17
08-Feb-17 7.4 <0.1 0.13 0.02 4 <2 480 15-Feb-17 16-Feb-17
08-Mar-17 7.7 <0.1 0.09 0.01 <2 <2 27 16-Mar-17 18-Mar-17
12-Apr-17 7.5 <0.1 0.18 0.02 3 <2 6 24-Apr-17 28-Apr-17
10-May-17 7.4 <0.1 0.07 <0.01 <2 <2 <1 19-May-17 23-May-17
14-Jun-17 7.4 <0.1 0.10 0.01 6 <2 1 22-Jun-17 07-Jul-17
12-Jul-17 7.3 <0.1 0.06 <0.01 <2 <2 <1 19-Jul-17 25-Jul-17
26-Jul-17 7.2 <0.1 0.21 0.03 17 <2 6 03-Aug-17 04-Aug-17
09-Aug-17 7.4 <0.1 0.10 0.01 3 <2 <2 17-Aug-17 18-Aug-17
06-Sep-17 7.1 <0.1 0.10 <0.01 <2 <2 2 14-Sep-17 22-Sep-17
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    
05-Oct-16 7.1  <0.1 0.20 0.02 3 <2 10 14-Oct-16 18-Oct-16
02-Nov-16 7.2 <0.1 0.11 <0.01 <2 <2 6 14-Nov-16 18-Nov-16
07-Dec-6 7.5 <0.1 0.16 0.01 3 <2 28 15-Dec-16 19-Dec-16
11-Jan-17 7.6 <0.1 0.15 0.01 3 <2 23 22-Jan-17 24-Jan-17
08-Feb-17 7.4 <0.1 0.14 0.02 4 <2 222 15-Feb-17 16-Feb-17
08-Mar-17 7.5 <0.1 0.10 0.01 <2 <2 36 16-Mar-17 18-Mar-17
12-Apr-17 7.4 <0.1 0.16 0.02 4 <2 6 24-Apr-17 28-Apr-17
10-May-17 7.5 <0.1 0.08 <0.01 <2 <2 <1 19-May-17 23-May-17
14-Jun-17 7.3 <0.1 0.08 0.01 4 <2 1 22-Jun-17 07-Jul-17
12-Jul-17 7.7 <0.1 0.06 <0.01 <2 <2 <1 19-Jul-17 25-Jul-17
26-Jul-17 7.2 <0.1 0.20 0.03 14 <2 3 03-Aug-17 04-Aug-17
09-Aug-17 7.3 <0.1 0.10 0.01 <2 <2 2 17-Aug-17 18-Aug-17
06-Sep-17 7.1 <0.1 0.11 <0.01 <2 <2 2 14-Sep-17 22-Sep-17

2015–2016 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    
14-Oct-15 9.1 0.2 2.6 0.15 5 7 <1 <2 21-Oct-15 23-Oct-15
18-Nov-15 8.1 <0.1 2.2 0.06 5 2 <1 10 26-Nov-15 02-Dec-15
16-Dec-15 8.4 <0.1 1.7 0.04 6 3 <1 <2 30-Dec-15 13-Jan-16
13-Jan-16 8.5 <0.1 1.5 0.07 22 3 <1 2 27-Jan-16 28-Jan-16
10-Feb-16 8.3 <0.1 3.8 0.05 12 3 <1 6 17-Feb-16 25-Feb-16
09-Mar-16 8.4 <0.1 1.8 0.06 15 8 <1 4 22-Mar-16 24-Mar-16
06-Apr-16 No discharge              
04-May-16 8.2 1.2 4.2 0.05 4 2 <1 <2 16-May-16 19-May-16
01-Jun-16 8.3 0.9 3.2 0.04 3 2 <1 <2 15-Jun-16 24-Jun-16
15-Jun-16 No discharge 06-Jul-16 12-Jul-16
13-Jul-16 8.0 40.3 41.3 0.06 4 3 <1 150 25-Jul-16 08-Aug-16
27-Jul-16 7.7 22.0 24.8 0.31 10 10 <1 480 04-Aug-16 09-Sep-16
10-Aug-16 8.1 12.8 21.2 0.49 23 22 <1 10 19-Aug-16 05-Sep-16
24-Aug-16 8.5 6.4 12.2 0.37 20 17 <1 12 01-Sep-16 09-Sep-16
07-Sep-16 8.6 0.2 3.5 0.31 16 13 <1 <2 16-Sep-16 20-Sep-16
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-15 7.4 <0.1 0.10 0.01 <2 <2 12 21-Oct-15 23-Oct-15
18-Nov-15 7.5 <0.1 0.14 0.01 3 <2 8 28-Nov-15 02-Dec-15
16-Dec-15 7.5 <0.1 0.25 0.02 8 <2 348 30-Dec-15 13-Jan-16
13-Jan-16 7.4 <0.1 0.13 0.01 <2 <2 6 27-Jan-16 28-Jan-16
10-Feb-16 7.4 <0.1 0.12 0.01 <2 <2 8 17-Feb-16 25-Feb-16
09-Mar-16 7.7 <0.1 0.08 0.01 <2 <2 34 22-Mar-16 24-Mar-16
06-Apr-16 7.6 <0.1 0.07 0.01 <2 <2 18 18-Apr-16 02-May-16
04-May-16 7.7 <0.1 0.08 <0.01 <2 <2 6 16-May-16 19-May-16
01-Jun-16 7.6 <0.1 0.08 <0.01 6 <2 6 15-Jun-16 24-Jun-16
15-Jun-16 7.5 <0.1 0.13 <0.01 <2 <2 6 6-Jul-16 12-Jul-16
13-Jul-16 7.3 <0.1 0.17 0.01 <2 <2 3 25-Jul-16 08-Aug-16
27-Jul-16 7.2 <0.1 0.11 0.01 <2 <2 <2 04-Aug-16 09-Sep-16
10-Aug-16 7.2 <0.1 0.11 <0.01 4 <2 6 19-Aug-16 05-Sep-16
24-Aug-16 7.3 <0.1 0.12 <0.01 3 <2 <2 01-Sep-16 09-Sep-16
07-Sep-16 7.4 <0.1 0.11 <0.01 <2 <2 2 16-Sep-16 20-Sep-16
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-15 7.4 <0.1 0.11 0.01 3 <2 2 21-Oct-15 23-Oct-15
18-Nov-15 7.4 <0.1 0.13 0.01 3 <2 4 26-Nov-15 02-Dec-15
16-Dec-15 7.4 <0.1 0.26 0.03 9 <2 482 30-Dec-15 13-Jan16
13-Jan-16 7.4 <0.1 0.13 0.01 <2 <2 26 27-Jan-16 28-Jan-16
10-Feb-16 7.6 <0.1 0.13 0.01 <2 <2 24 17-Feb-16 25-Feb-16
09-Mar-16 7.6 <0.1 0.10 <0.01 <2 <2 24 22-Mar-16 24-Mar-16
06-Apr-16 7.6 <0.1 0.08 <0.01 <2 <2 6 18-Apr-16 02-May-16
02-May-16 7.7 <0.1 0.08 <0.01 <2 <2 <2 16-May-16 19-May-16
01-Jun-16 7.5 <0.1 0.08 <0.01 <2 <2 <2 15-Jun-16 24-Jun-16
15-Jun-16 7.4 <0.1 0.12 <0.01 <2 <2 <2 6-Jul-16 12-Jul-16
13-Jul-16 7.0 <0.1 0.17 0.01 <2 <2 7 25-Jul-16 08-Aug-16
27-Jul-16 7.0 <0.1 0.13 0.01 <2 <2 <2 04-Aug-16 09-Sep-16
10-Aug-16 7.0 <0.1 0.12 <0.01 3 <2 2 19-Aug-16 05-Sep-16
24-Aug-16 7.1 <0.1 0.13 <0.01 <2 2 2 01-Sep-16 09-Sep-16
07-Sep-16 7.2 <0.1 0.10 <0.01 <2 <2 2 16-Sep-16 20-Sep-16

2014–2015 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    
15-Oct-14 8.7  <0.1 1.9 0.10 11 4 <1 144 22-Oct-14 03-Nov-14
12-Nov-14 8.2  0.2 5.9 0.39 72 13 <1 34 20-Nov-14 01-Dec-14
10-Dec-14 7.1 <0.1 0.7 0.05 7 <2 <1 <2 22-Dec-14 07-Jan-15
14-Jan-15 7.6 <0.1 1.2 0.11 7 <2 <1 <1 25-Jan-15 28-Jan-15
11-Feb-15 7.9 0.4 1.9 0.13 14 3 <1 <2 18-Feb-15 10-Mar-15
11-Mar-15 8.1 0.1 1.2 0.04 6 2 <1 <2 24-Mar-15 02-Apr-15
15-Apr-15 7.7 0.8 1.3 0.03 3 <2 <1 <2 24-Apr-15 03-Jun-15
13-May-15 8.4 <0.1 2.7 0.03 4 3 <1 <2 22-May-15 03-Jun-15
10-Jun-15 8.1 1.2 4.5 0.04 4 3 <1 <2 19-Jun-15 30-Jun-15
22-Jul-15 No discharge                
19-Aug-15 8.1 0.6 2.1 0.14 3 3 <1 110 28-Aug-15 31-Aug-15
16-Sep-15 9.1 <0.1 3.9 0.27 17 10 <1 4 24-Sep-15 02-Oct-15
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    
15-Oct-14 7.3 <0.1 0.17 0.02 4 <2 16 22-Oct-14 03-Nov-14
12-Nov-14 7.4  <0.1 0.10 0.01 <2 <2 42 20-Nov-14 01-Dec-14
10-Dec-14 7.8 <0.1 0.17 0.01 2 <2 50 22-Dec-14 07-Jan-15
14-Jan-15 7.7 <0.1 0.31 0.02 4 <2 108 25-Jan-15 28-Jan-15
11-Feb-15 7.5 <0.1 0.12 <0.01 <2 <2 16 18-Feb-15 10-Mar-15
11-Mar-15 7.5 <0.1 0.09 0.01 3 <2 16 24-Mar-15 02-Apr-15
15-Apr-15 7.4 <0.1 0.06 0.01 <2 <2 8 24-Apr-15 03-Jun-15
13-May-15 7.4 <0.1 0.10 <0.01 <2 <2 4 22-May-15 03-Jun-15
10-Jun-15 7.4 <0.1 0.08 <0.01 <2 <2 4 19-Jun-15 30-Jun-15
22-Jul-15 7.5 <0.1 0.10 0.01 <2 <2 2 30-Jul-15 10-Aug-15
19-Aug-15 7.3 <0.1 0.10 <0.01 <2 <2 2 28-Aug-15 31-Aug-15
16-Sep-15 7.5 <0.1 0.11 <0.01 <2 <2 10 24-Sep-15 02-Oct-15
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    
15-Oct-14 7.2 <0.1 0.16 0.02 4 <2 16 22-Oct-14 03-Nov-14
12-Nov-14 7.4 <0.1 0.09 0.01 <2 <2 58 20-Nov-14 01-Dec-14
10-Dec-14 7.9 <0.1 0.17 0.02 2 <2 60 22-Dec-14 07-Jan-15
14-Jan-15 7.5 <0.1 0.33 0.02 4 <2 90 25-Jan-15 28-Jan-15
11-Feb-15 7.5 <0.1 0.14 <0.01 <2 <2 22 18-Feb-15 10-Mar-15
11-Mar-15 7.4 <0.1 0.08 <0.01 <2 <2 10 24-Mar-15 02-Apr-15
15-Apr-15 7.3 <0.1 0.07 0.01 2 <2 2 24-Apr-15 03-Jun-15
13-May-15 7.3 <0.1 0.10 0.01 2 <2 <2 22-May-15 03-Jun-15
10-Jun-15 7.3 <0.1 0.08 0.01 3 <2 8 19-Jun-15 30-Jun-15
22-Jul-15 7.5 <0.1 0.10 <0.01 <2 <2 <2 30-Jul-15 10-Aug-15
19-Aug-15 7.3 <0.1 0.09 <0.01 <2 <2 <2 28-Aug-15 31-Aug-15
16-Sep-15 7.4 <0.1 0.11 <0.01 <2 <2 10 24-Sep-15 02-Oct-15