Nature conservation

Parks, reserves and protected areas

Sawpit Creek Sewerage Treatment Plant

State of New South Wales (Office of Environment and Heritage) Kosciuszko Road Perisher Valley NSW 2624

2016–2017

Monitoring point 1 - discharge to groundwater effluent quality monitoring

The outlet from the final treatment pond to an underground absorption trench view map (PDF 823KB)

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

Monitoring point 2 - ambient water quality monitoring

Sawpit Creek upstream view map (SCSTPmonpoints.pdf, 823kb)

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

Monitoring point 3 - ambient water quality monitoring

Sawpit Creek downstream view map (SCSTPmonpoints.pdf, 823kb)

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

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

  • monthly
Page last updated: 25 September 2017