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Environmental Protection Licence No:

10515

Licensee:

Snowy Hydro Limited

Licensee address:

PO Box 332 , Cooma, NSW, 2630

Premises:

Snowy Mountains Hydro-Electric Scheme

Kosciuszko National Park and Vicinity

Location/ Description:

Tumut 2 Power Station – Drainage Pit

EPA Identification Number:

9

As at 28 March 2013, Snowy Hydro Limited is no longer required to monitor discharge variations. Refer to licence variation number 1512354 on the NSW EPA website for more information.

Concentration Limits

Sampling method: Grab Sample

Pollutant: TPH

Percentile concentration limits:

50%

90%

100%

8

10

15

Sampling frequency: Monthly

Monitoring Period

Date Published

Result (mg/L)

July 2014

14/07/14

0.27

August 2014

18/08/14

<0.05

September 2014

16/09/14

<0.05

October 2014

14/10/14

<0.05

November 2014

17/11/14

<0.05

December 2014

17/12/14

<0.05

January 2015

20/01/15

<0.05

February 2015

23/02/15

<0.05

March 2015

24/03/15

<0.05

April 2015

22/04/15

<0.05

May 2015

18/05/15

<0.05

June 2015

17/06/15

<0.05

July 2015

15/07/15

0.06

August 2015

24/08/15

<0.05

September 2015

21/09/15

<0.05

October 2015

21/10/15

<0.05

November 2015

23/11/15

<0.05

December 2015

17/12/15

<0.05

January 2016

29/01/16

<0.05

February 2016

17/02/16

<0.05

March 2016

26/03/16

<0.05

April 2016

20/04/16

<0.05

May 2016

26/05/16

<0.05

June 2016

20/06/16

1.32

July 2016

18/07/16

<0.05

August 2016

15/09/16

0.1

September 2016

20/09/16

<0.05

October 2016

18/10/16

<0.05

November 2016

17/11/16

<0.05

December 2016

13/12/16

<0.05

January 2017

31/01/17

<0.05

February 2017

22/02/17

0.16

March 2017

22/03/17

<0.05

April 2017

18/04/17

<0.05

May 2017

22/05/17

<0.05

June 2017

19/06/17

<0.05

July 2017

14/07/17

<0.05

August 2017

22/08/17

<0.05

September 2017

20/09/17

<0.05

October 2017

24/10/17

<0.05

November 2017

17/11/17

<0.1

December 2017

21/12/17

<0.1

January 2018

11/01/18

<0.1

February 2018

19/02/18

<0.1

March 2018

15/03/18

<0.1

April 2018

12/04/18

<0.1

May 2018

10/05/18

<0.1

June 2018

15/06/18

<0.1

The publication of this pollution monitoring data is carried out in accordance with section 66 (6) of the Protection of the Environment Operations Act 1997 (POEO Act).

Snowy Hydro Limited gives no warranty or representation regarding the data suitability for any particular purpose.

Snowy Hydro Limited excludes all liability to any person for loss or damage of any kind (however caused, including but not limited to by negligence) arising whether directly or indirectly from or relating in any way to the use of this data, whether in whole or in part