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Ba2 Ferrero Oval

Active Physico-Chemical 21-01-2017 - 10-05-2023

Balcombe Creek Estuary

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48 results found (Displaying 26 - 48)
ID Date Status Details
#13286 23 Jun 2019 Pending
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.0m 10.0 6.6
0.0m 10.0
#13280 26 May 2019 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.7 12.40 0.00 0.00 0.0 0.03
1.5m 10.0 15.70 20.50 0.00 0.0 32.74
#12896 28 Apr 2019 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.3 14.50 23.90 0.00 0.0 37.60
0.5m 10.0 7.4 14.40 23.80 11.70 0.0 37.50
#12790 24 Mar 2019 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.9 21.40 36.80 0.00 0.0 55.40
0.3m 10.0 7.0 21.40 36.80 10.88 0.0 55.40
#13276 24 Feb 2019 Approved Notes:

Scum on water filmy with an oily sheen.

Bubbles on surface centre of creek may be small fish
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.9 21.20 52.70 0.00 0.0 52.60
0.6m 10.0 6.9 21.20 34.60 0.00 0.0 52.50
#12673 27 Jan 2019 Approved Notes:

Turbidity measured with a turbidity tube <10 NTU at the top and <15 NTU at the bottom.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.3 21.20 52.70 0.00 0.0 52.60
0.6m 10.0 6.9 21.20 34.60 0.00 0.0 52.50
#12416 23 Sep 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 8.5 21.20 52.70 0.00 0.0 52.60
0.6m 10.0 8.5 21.20 34.60 0.00 0.0 52.50
#12393 26 Aug 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 5.5 21.20 52.70 0.00 0.0 52.60
0.6m 10.0 21.20 34.60 0.00 0.0 52.50
#12389 22 Jul 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.8 9.90 0.90 8.67 75.1 1.79
1.0m 10.0 5.6 11.00 19.60 8.92 88.7 31.79
#12223 27 Jun 2018 Approved Notes:

I have had another look at the dissolved oxygen DO results for 27/6 as we were concerned about the very high readings. I went back to Augusta Street bridge the next day and took another reading which was considerably lower. Unfortunately I didn’t retest the other sites. I now believe that the meter was incorrectly calibrated so I think we should include a note to that effect on the data sheets. On re-reading the calibration data I didn’t allow enough time for the DO reading to stabilise.
I will allow more time for future calibrations. Jan Jones
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 7.3 9.90 0.90 8.67 75.1 1.79
1.0m 20.0 7.3 11.00 19.60 8.92 88.7 31.79
#12165 27 May 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 6.4 9.90 0.90 8.67 75.1 1.79
1.0m 20.0 11.00 19.60 8.92 88.7 31.79
#12140 22 Apr 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 8.0 17.90 19.50 12.50 148.0 31.22
0.8m 15.0 7.7 18.70 26.40 3.40 44.7 41.10
#12172 24 Mar 2018 Approved Notes:

Time approximate - not recorded in field sheet
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 8.1 19.10 38.10 5.27 70.3 57.20
0.5m 10.0 8.1 19.10 37.50 5.10 69.4 56.40
#12177 25 Feb 2018 Approved Notes:

No stratification (sea water). Lack of stratification possibly due to the creek being very low (not flowing) for 2 months due to lack of rain. High tides and very strong westerlies (sometimes gale force) have probably pushed the seawater back up the estuary. The estuary flowing in reverse with resultant seawater.

All samples of nearly pure sea water.

Lower than usual pH samples. pH meter checked against standard afterwards.

Met with Peter O'Brien on Monday 19th at Augusta bridge site tot discuss last months data. He as going to investigate storm water drains, including current citation oval damage to explain high B.O.D. and EColi count.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.2 21.30 34.40 5.55 76.6 52.20
0.5m 10.0 6.2 21.30 34.40 5.40 75.0 52.20
#12180 28 Jan 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 7.8 27.50 14.40 0.98 13.1 23.91
0.2m 20.0 7.9 28.00 14.60 1.23 17.0 24.10
#12138 26 Nov 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 7.8 22.70 20.10 2.82 36.3 32.20
0.5m 15.0 7.7 23.10 28.20 2.95 40.0 43.70
#11589 22 Oct 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.6 14.90 1.80 6.36 63.7 3.34
0.5m 10.0 8.4 16.70 1.80 5.44 56.6 3.40
#11498 24 Sep 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 7.6 14.60 1.50 6.22 61.1 2.92
0.8m 15.0 7.6 14.70 30.00 4.51 53.1 46.20
#11218 28 May 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 80.0 7.6 12.60 2.70 7.63 72.7 4.98
0.8m 80.0 7.4 15.30 25.50 4.18 49.8 40.00
#11206 29 Apr 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 14.40 1.60 9.11 89.0 31.32
0.5m 9.0 7.5 15.80 23.90 6.54 76.5 37.98
#11203 26 Mar 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.4 20.90 2.30 6.02 67.5 4.07
0.2m 9.0 7.1 22.10 4.50 3.81 44.0 8.09
#11194 18 Feb 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 8.0 20.70 20.40 1.73 21.8 32.50
0.5m 14.0 7.8 20.60 33.00 3.53 47.9 50.30
#11191 21 Jan 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 7.5 17.30 0.40 7.63 78.3 0.89
0.5m 13.0 7.4 18.50 2.20 3.55 37.0 4.11
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