Sawpit Creek Sewage Treatment Plant

The Sawpit Creek Sewage Treatment Plant treats all wastewater from the Kosciuszko Mountain Retreat tourist park.

The Sawpit Creek Sewage Treatment Plant operates under Environment Protection Licence No. 447 issued by the Environment Protection Authority (EPA).

A pollution incident response management plan is required to be prepared and implemented under the Protection of the Environment Legislation Amendment Act 2011.

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

Regular monitoring and reporting of specified pollutants is required by Environment Protection Licence No. 447.

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

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)
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 04-Nov-19
13-Nov-19 8.5 <0.1 5.1 0.12 23 10 <1 <1 28-Nov-19 04-Dec-19
11-Dec-19 8.6 <0.1 2.3 0.04 10 4 <1 <1 9-Jan-20 14-Jan-20
08-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
04-Mar-20 8.5 0.3 4.4 0.04 12 5 <1 2 19-Mar-20 24-Mar-20

Monitoring point 2 – Ambient water quality monitoring (Sawpit Creek Upstream)

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 04-Nov-19
13-Nov-19 7.4 0.024 0.14 <0.01 <2 <2 14 28-Nov-19 04-Dec-19
11-Dec-19 7.6 0.020 0.08 0.02 2 <2 8 9-Jan-20 14-Jan-20
08-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
04-Mar-20 7.5 0.006 0.12 <0.01 3 <2 402 19-Mar-20 24-Mar-20

Monitoring point 3 – Ambient water quality monitoring (Sawpit Creek Downstream)

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 04-Nov-19
13-Nov-19 7.4 0.010 0.14 <0.01 2 <2 10 28-Nov-19 04-Dec-19
11-Dec-19 7.5 0.026 0.11 0.02 2 <2 15 9-Jan-20 14-Jan-20
08-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
04-Mar-20 7.3 0.017 0.13 <0.01 2 <2 84 19-Mar-20 24-Mar-20