Nature conservation

Parks, reserves and protected areas

Sawpit Creek Sewage Treatment Plant

Environment Protection Licence no. 447

STATE OF NEW SOUTH WALES (OFFICE OF ENVIRONMENT AND HERITAGE)

Kosciuszko Road, Perisher Valley, NSW, 2624

(view this licence)

2011-2012

Monitoring point 1 - discharge to groundwater effluent quality monitoring

The outlet from the final treatment pond to an underground absorption trench view map (SCSTPmonpoints.pdf, 823kb)

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 

Date Obtained     Date Published  
 12-Oct-11 9.0 <0.1 2.9 0.16  12 6 <1 <2 18-Oct-11 07-Jun-12
 26-Oct-11 9.4 <0.1 2.5 0.17  24 9 <1 2 01-Nov-11 07-Jun-12
 09-Nov-11     no discharge pond filling        
 07-Dec-11 7.8 <0.1 0.7 0.03 <2 <2 <1 <2 13-Dec-11 07-Jun-12
 04-Jan-12 7.3 0.6 0.7 0.02 <2 <2  <1 <2 11-Jan-12 07-Jun-12
 01-Feb-12 7.6 <0.1 0.8 0.19 <2 <2 <1 <2 07-Feb-12 07-Jun-12
 29-Feb-12 6.8 <0.1 5.2 0.15  4 <2 <1 <1 17-Mar-12 07-Jun-12
 28-Mar-12 8.2 <0.1  1.5 0.09  5 5 <1 34 03-Apr-12 07-Jun-12
 26-Apr-12 7.1 1.1 4.6 0.06  4 4 <1 10 02-May-12 07-Jun-12
 23-May-12 8.5 <0.1 11 0.24 18 9 3 40 31-May-12 07-Jun-12
 20-June-12    7.5 0.2 1.6 0.09 8 <2  <1 <2 27-Jun-12 09-Jul-12
 18-July-12 7.6  0.1  10.0  0.21  13  <1  4 24-Jul-12  02-Aug-12
 15-Aug-12 8.3  <0.1  6.2  0.28 15  12  <1  8 21-Aug-12  29-Aug-12 
 12-Sept-12 7.9 <0.1  5.3  0.59  27  <2  30  18-Sep-12  24-Sep-12 
Concentration limit (90%ile)           

6.5-9.0

2 10 0.3 15 10 2  200    
Concentration limit (100%ile) 6.5-9.0 3 15 2 35 30 10  600    

Monitoring point 2 - ambient water quality monitoring


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

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

Date Obtained

Date Published

 12-Oct-11 7.3 <0.1 0.11 0.01 2 <2 8 18-Oct-11 07-Jun-12
 26-Oct-11 7.2 <0.1 0.24 0.02 9 <2 48 1-Nov-11 07-Jun-12
 9-Nov-11 7.2 <0.1 0.24 0.02 9 <2 48 15-Nov-11 07-Jun-12
 7-Dec-11 7.3 <0.1 0.12 0.01 <2 <2 2 13-Dec-11 07-Jun-12
 4-Jan-12 7.4 <0.1 0.12 0.01 2 <2 18 11-Jan-12 07-Jun-12
 1-Feb-12 7.3 <0.1 0.22 0.01  3 <2 42 07-Feb-12 07-Jun-12
 29-Feb12 7.1 <0.1 0.41 0.04 10 <2 360 17-Mar-12 07-Jun-12
 28-Mar-12 7.3 <0.1 0.14 0.02  4 <2 10 03-Apr-12 07-Jun-12
 26-April-12 7.2 <0.1 0.14 0.01 2 <2 4 02-May-12 07-Jun-12
 23-May-12 7.4 <0.1 0.07 <0.01 <2 <2 6 31-May-12 07-Jun-12
 20-June-12 7.1 <0.1 0.10 0.01 <2 <2 4 27-Jun-12 09-Jul-12
 18-July-12 7.2 <0.1 0.1 <0.01  <2  <2  24-Jul-12 02-Aug-12
 15-Aug-12 7.3  <0.1  0.09  <0.01  <2  <2  21-Aug-12  29-Aug-12 
 12-Sept-12 7.1  <0.1  0.09  <0.01  <2  <2  14  18-Sep-12  24-Sep-12 

Monitoring point 3 - ambient water quality monitoring

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

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

Date Obtained        Date Published     
 12-Oct-11 7.3 <0.1 0.11 0.01 2 <2 4 18-Oct-11 07-Jun-12
 26-Oct-11 7.3 <0.1 0.22 0.02 7 <2 50 01-Nov-11 07-Jun-12
 9-Nov-11 7.3 <0.1 0.22 0.02 7 <2 50 15-Nov-11 07-Jun-12
 7-Dec-11 7.3 <0.1 0.12 0.01 2 <2 10 13-Dec-11 07-Jun-12
 4-Jan-12 7.4 <0.1 0.11 0.01 <2 <2  20 11-Jan-12 07-Jun-12
 1-Feb-12 7.3 <0.1 0.21 0.01 3 <2 36 07-Feb-12 07-Jun-12
 29-Feb-12 7.1 <0.1 0.45 0.03 11 <2 560 17-Mar-12 07-Jun-12
 28-Mar-12 7.3 <0.1 0.14 0.02 4 <2 14 03-Apr-12 07-Jun-12
 26-April-12 7.2 <0.1 0.14 0.01 2 <2 4 02-May-12 07-Jun-12
 23-May-12 7.4 <0.1 0.07 <0.01 <2 <2 14 31-May-12 07-Jun-12
 20-June-12 7.1 <0.1 0.11  0.01 <2 <2 <2 27-Jun-12 09-Jul-12
 18-July-12 7.2  <0.1  0.1  <0.01  <2  24-Jul-12  02-Aug-12 
 15-Aug-12 7.1  <0.1  0.09  <0.01  <2  10  21-Aug-12  29-Aug-12 
 12-Sept-12 7.1  <0.1  0.10  <0.01  <2  <2  <2  18-Sep-12  24-Sep-12 
Page last updated: 01 November 2012