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Water quality testing

Taronga Zoo holds an Environment Protection Licence (EPL #: 1677) to discharge water into Sydney Harbour. This licence is issued under the Protection of the Environment Operations Act 1997 (POEO Act). 

In accordance with section 66(6) of the Act Taronga is required to publish pollution monitoring results gathered as a result of Taronga’s Recycled Treatment Plant operation.  The intention of this requirement is to improve the general public’s access to information about the environmental performance of licensed facilities.

Organisation

Taronga Conservation Society Australia

Site

Taronga Zoo

Address

Bradleys Head Road Mosman, NSW 2088

Activity

Taronga Recycled Water Treatment Plant

EPL  Number

1677

Web link

Taronga EPL 1677 Details

 

Date sampled

20 March 2012

Results received

4 April 2012

Results Published

4July 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

<3

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.8

6.5-8.5

-

TSS

4

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

17 April 2012

Results received

2 May 2012

Results Published

4 July 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

4

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.7

6.5-8.5

-

TSS

37

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

13 May 2012

Results received

30 May 2012

Results Published

4 July 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.8

-

-

TSS

<3

50

mg/L

BOD

<4

20

mg/L

2

Monthly frequency

pH

7.7

6.5-8.5

-

TSS

8

20

mg/L

BOD

<4

15

mg/L

 

Date sampled

7 June 2012

Results received

19 June 2012

Results Published

4 July 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.9

-

-

TSS

<2

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.7

6.5-8.5

-

TSS

11

20

mg/L

BOD

4

15

mg/L

 

Date sampled

25 July 2012

Results received

3 August 2012

Results Published

13 August 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8

-

-

TSS

3

50

mg/L

BOD

4

20

mg/L

2

Monthly frequency

pH

7.5

6.5-8.5

-

TSS

12

20

mg/L

BOD

3

15

mg/L

 

Date sampled

16 August 2012

Results received

28 August 2012

Results Published

27 September 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.9

-

-

TSS

3

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.3

6.5-8.5

-

TSS

14

20

mg/L

BOD

4

15

mg/L

 

Date sampled

6 September 2012

Results received

14 September 2012

Results Published

27 September 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

8

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

<3

20

mg/L

BOD

8

15

mg/L

 

Date sampled

12 October 2012

Results received

19 October 2012

Results Published

23 October 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.9

-

-

TSS

4

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

8

20

mg/L

BOD

3

15

mg/L

 

Date sampled

14 November2012

Results received

28 November 2012

Results Published

4 December 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8

-

-

TSS

4

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

5

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

 

6 December 2012

Results received

18 December 2012

Results Published

20 December 2012

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

4

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.8

6.5-8.5

-

TSS

6

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

11 January 2013

Results received

22 January 2013

Results Published

4 February 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

20

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.8

6.5-8.5

-

TSS

<3

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

7 February 2013

Results received

18 February 2013

Results Published

20 February 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8

-

-

TSS

34

50

mg/L

BOD

4

20

mg/L

2

Monthly frequency

pH

7.4

6.5-8.5

-

TSS

4

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

31 March 2013

Results received

3 April 2013

Results Published

17 May 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.8

-

-

TSS

75

50

mg/L

BOD

3

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

6

20

mg/L

BOD

5

15

mg/L

 

Date sampled

24 April 2013

Results received

3 May 2013

Results Published

17 May 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.9

-

-

TSS

37

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

6

20

mg/L

BOD

5

15

mg/L

 

Date sampled

10 May 2013

Results received

16 May 2013

Results Published

17 May 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.9

-

-

TSS

42

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.9

6.5-8.5

-

TSS

39

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

17 June 2013

Results received

27 June 2013

Results Published

9 July 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.9

-

-

TSS

17

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

4

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

26 July 2013

Results received

16 August 2013

Results Published

2 September 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.9

-

-

TSS

10

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.7

6.5-8.5

-

TSS

<2

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

21 August 2013

Results received

2 September 2013

Results Published

9 September 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.9

-

-

TSS

5

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

5

20

mg/L

BOD

3

15

mg/L

 

Date sampled

12 September 2013

Results received

23 September 2013

Results Published

24 September 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

4

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.5

6.5-8.5

-

TSS

5

20

mg/L

BOD

11

15

mg/L

 

Date sampled

24 October 2013

Results received

1 November 2013

Results Published

4 November 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

<2

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.7

6.5-8.5

-

TSS

<2

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

29 November 2013

Results received

9 December 2013

Results Published

18 December 2013

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

<2

50

mg/L

BOD

<3

20

mg/L

2

Monthly frequency

pH

7.8

6.5-8.5

-

TSS

<2

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

16 December 2013

Results received

30 December 2013

Results Published

7 January 2014

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8

-

-

TSS

<2

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

<2

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

9 January 2014

Results received

17 January 2014

Results Published

 

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

7.6

-

-

TSS

3

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

8.1

6.5-8.5

-

TSS

4

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

7 February 2014

Results received

18 February 2014

Results Published

19 February 2014

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

4

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.5

6.5-8.5

-

TSS

<2

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

14 March 2014

Results received

21 March 2014

Results Published

 

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

<2

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.3

6.5-8.5

-

TSS

<2

20

mg/L

BOD

4

3

mg/L

Date sampled

3 April 2014

Results received

20 May 2014

Results Published

 23 May 2014

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8

-

-

TSS

6

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

8

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

9 May 2014

Results received

21 May 2014

Results Published

23 May 2014 

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8

-

-

TSS

4

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.4

6.5-8.5

-

TSS

8

20

mg/L

BOD

<2

15

mg/L

Date sampled

5 June 2014

Results received

17 June 2014

Results Published

23 June 2014

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8

-

-

TSS

5

50

mg/L

BOD

4

20

mg/L

2

Monthly frequency

pH

7.6

6.5-8.5

-

TSS

13

20

mg/L

BOD

<2

15

mg/L

 

Date sampled

11 July 2014

Results received

20 July 2014

Results Published

28 July 2014

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8

-

-

TSS

4

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.5

6.5-8.5

-

TSS

6

20

mg/L

BOD

5

15

mg/L

Date sampled

 

7 August 2014

Results received

19 August 2014

Results Published

22 August 2014

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8.1

-

-

TSS

<2

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.4

6.5-8.5

-

TSS

6

20

mg/L

BOD

22

15

mg/L

Date sampled

18 August 2014

Results received

26 August 2014

Results Published

26 August 2014

Sampling Point

Frequency

Pollutant

Measurement

Limit

Unit

1

Monthly frequency

pH

8

-

-

TSS

<2

50

mg/L

BOD

<2

20

mg/L

2

Monthly frequency

pH

7.3

6.5-8.5

-

TSS

2

20

mg/L

BOD

<2

15

mg/L