Little Para River Snake Gully Bridge – Pesticide Detections.

1999 May 25 Hexazinone 5.9ug/L

1999 August 9 Simazine 1ug/L

1999 September 8 Simazine 1.1 (inlet wtp)

2001 July 6 Simazine 1ug/L

2009 October 13 Simazine 1.8ug/L

2010 May 30 Chlorthal-Dimethyl 0.37ug/L

2010 May 31 Chlorthal-Dimethyl 0.43ug/L

2010 June 30 Chlorthal-Dimethyl 0.19ug/L

22/8/11: MCPA 0.99ug/L, Triclopyr 0.1ug/L,

9/1/12: Triclopyr 0.3ug/L,

5/3/12: Picloram 0.2ug/L, Triclopyr 0.2ug/L,

2/4/12: Picloram 1.4ug/L, Triclopyr 0.5ug/L,

30/4/12: Picloram 0.9ug/L, Triclopyr 0.9ug/L,

27/7/12: Simazine 0.8ug/L,

4/5/13: Triclopyr 0.3ug/L,

27/5/13: Picloram 0.4ug/L, Triclopyr 0.2ug/L,

24/6/13: Triclopyr 0.3ug/L,

8/4/15: Triclopyr 4.1ug/L,

17/4/15: MCPA 0.57ug/L, Triclopyr 2.1ug/L

1/6/15: Picloram 0.3ug/L, Triclopyr 0.3ug/L,

29/6/15: Triclopyr 0.2ug/L,

27/7/15: 2,4-D 1.4ug/L, Triclopyr 0.9ug/L

24/8/16: Triclopyr 0.2ug/L,

26/5/16: Trifluralin 0.39ug/L

25/7/16: MCPA 0.09ug/L

19/9/16: 2,4-D 0.11ug/L

17/10/16: 2,4-D 0.05ug/L

17/10/16: MCPA 0.19ug/L

12/12/16: Triclopyr 0.2ug/L

9/1/17: Triclopyr 0.1ug/L

20/1/17: Trifluralin 0.06ug/L

6/2/17: Triclopyr 0.4ug/L

16/8/17: Simazine 0.9ug/L

27/8/18: Triclopyr 0.1ug/L

24/9/18: Metsulfuron Methyl 0.36ug/L (sample pump)

6/4/20: Triclopyr 0.2ug/L

19/4/21: Metsulfuron Methyl 0.1ug/L

8/11/21: MCPA 0.06ug/L

6/12/21: MCPA 0.05ug/L

2/5/22: MCPA 0.09ug/L

6/6/22: Triclopyr 0.1ug/L

15/8/22: Little Para River Snake Gully Sample Pump 2,4-D 0.28ug/L

6/3/23: Little Para River Snake Gully Sample Pump Triclopyr 0.5ug/L

10/7/23: Little Para River Snake Gully Sample Pump MCPA 0.17ug/L

12/2/24: Little Para River Snake Gully Sample Pump MCPA 0.14ug/L

17/6/24: Little Para River Snake Gully Sample Pump Triclopyr 0.1ug/L

1999 – 2024: Little Para River Snake Gully Bridge (SA). Pesticides detected: Hexazinone, Simazine, Chlorthal-Dimethyl, MCPA, Triclopyr, Picloram, Metsulfuron Methyl.

Little Para River Snake Gully Bridge – Pesticide Detections.

1999 May 25 Hexazinone 5.9ug/L

1999 August 9 Simazine 1ug/L

1999 September 8 Simazine 1.1 (inlet wtp)

2001 July 6 Simazine 1ug/L

2009 October 13 Simazine 1.8ug/L

2010 May 30 Chlorthal-Dimethyl 0.37ug/L

2010 May 31 Chlorthal-Dimethyl 0.43ug/L

2010 June 30 Chlorthal-Dimethyl 0.19ug/L

22/8/11: MCPA 0.99ug/L, Triclopyr 0.1ug/L,

9/1/12: Triclopyr 0.3ug/L,

5/3/12: Picloram 0.2ug/L, Triclopyr 0.2ug/L,

2/4/12: Picloram 1.4ug/L, Triclopyr 0.5ug/L,

30/4/12: Picloram 0.9ug/L, Triclopyr 0.9ug/L,

27/7/12: Simazine 0.8ug/L,

4/5/13: Triclopyr 0.3ug/L,

27/5/13: Picloram 0.4ug/L, Triclopyr 0.2ug/L,

24/6/13: Triclopyr 0.3ug/L,

8/4/15: Triclopyr 4.1ug/L,

17/4/15: MCPA 0.57ug/L, Triclopyr 2.1ug/L

1/6/15: Picloram 0.3ug/L, Triclopyr 0.3ug/L,

29/6/15: Triclopyr 0.2ug/L,

27/7/15: 2,4-D 1.4ug/L, Triclopyr 0.9ug/L

24/8/16: Triclopyr 0.2ug/L,

26/5/16: Trifluralin 0.39ug/L

25/7/16: MCPA 0.09ug/L

19/9/16: 2,4-D 0.11ug/L

17/10/16: 2,4-D 0.05ug/L

17/10/16: MCPA 0.19ug/L

12/12/16: Triclopyr 0.2ug/L

9/1/17: Triclopyr 0.1ug/L

20/1/17: Trifluralin 0.06ug/L

6/2/17: Triclopyr 0.4ug/L

16/8/17: Simazine 0.9ug/L

27/8/18: Triclopyr 0.1ug/L

24/9/18: Metsulfuron Methyl 0.36ug/L (sample pump)

6/4/20: Triclopyr 0.2ug/L

19/4/21: Metsulfuron Methyl 0.1ug/L

8/11/21: MCPA 0.06ug/L

6/12/21: MCPA 0.05ug/L

2/5/22: MCPA 0.09ug/L

6/6/22: Triclopyr 0.1ug/L

15/8/22: Little Para River Snake Gully Sample Pump 2,4-D 0.28ug/L

6/3/23: Little Para River Snake Gully Sample Pump Triclopyr 0.5ug/L

10/7/23: Little Para River Snake Gully Sample Pump MCPA 0.17ug/L

12/2/24: Little Para River Snake Gully Sample Pump MCPA 0.14ug/L

17/6/24: Little Para River Snake Gully Sample Pump Triclopyr 0.1ug/L