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Bo1 Bourne Creek Eastern Bank Phys/Chem

Active Physico-Chemical 24-05-2016 - 27-03-2024

Bourne Creek

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64 results found (Displaying 1 - 25)
ID Date Status Details
#16102 27 Mar 2024 Approved Notes:

Lots of algae in the water which could explain elevated DO levels.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.7 19.60 27.70 9.38 119.0 42.93
0.3m 17.7 19.60 27.90 9.39 119.3 43.21
#16005 8 Feb 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 7.4 8.2 20.00 19.40 4.16 50.6 31.06
0.5m 7.4 8.2 20.30 20.40 4.27 52.6 32.59
#15970 16 Jan 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.3 21.90 2.30 5.78 66.8 4.38
0.5m 14.3 21.80 2.40 4.87 56.2 4.53
#15969 18 Dec 2023 Approved Notes:

pH giving unusually high readings, needs to be recalibrated
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.7 20.90 7.50 7.59 89.1 12.97
0.5m 8.7 22.40 12.00 6.49 80.4 20.05
#15856 16 Nov 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.4 7.6 17.80 16.00 5.93 68.5 26.01
0.6m 10.4 6.8 18.70 33.20 0.33 4.3 50.51
#15726 31 Aug 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 64.0 7.8 11.40 2.30 7.18 66.5 4.27
0.5m 64.0 7.2 13.90 19.10 0.47 5.1 30.61
#15683 11 Jul 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.7 7.5 12.10 15.70 8.90 90.4 25.58
0.7m 13.7 8.1 13.10 36.30 5.69 67.1 5.69
#15573 14 Jun 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.1 7.1 10.80 13.80 6.36 62.8 22.72
1.0m 17.1 7.1 14.20 35.30 0.65 7.9 53.44
#15550 30 May 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 112.0 7.0 14.00 2.70 6.34 62.4 4.97
0.7m 112.0 6.7 14.40 33.10 0.69 8.2 50.37
#15499 1 May 2023 Approved Notes:

Depth of oxygenated layer approx. 0.7m
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 45.8 7.7 14.70 14.90 10.06 108.5 24.40
1.0m 45.8 7.3 17.20 22.70 1.29 15.4 35.87
#15484 19 Apr 2023 Approved Notes:

water column is deeper but could not access normal sampling site due to inundation. Algae most like causing high DO values at top of water column
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 46.3 8.3 16.80 17.30 10.69 121.4 28.05
0.7m 46.3 7.8 16.90 25.10 3.79 45.2 39.19
#15336 8 Mar 2023 Approved Notes:

Large swells introduced lots of ocean water into the estuary
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.5 8.2 17.50 36.20 6.06 79.4 54.53
1.0m 4.5 8.2 17.20 36.00 5.50 71.6 54.22
#15303 21 Feb 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.4 8.5 21.40 21.50 4.63 58.5 34.11
0.6m 13.4 8.5 20.90 21.50 3.95 49.5 34.15
#15233 17 Jan 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 22.0 8.3 22.40 26.50 2.89 39.0 41.23
1.0m 22.0 8.3 21.80 26.70 2.31 31.0 41.55
#15118 10 Nov 2022 Approved Notes:

Water levels very low so could only take surface measurement
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 151.0 7.5 22.40 26.50 2.89 39.0 41.23
1.0m 151.0 21.80 26.70 2.31 31.0 41.55
#15058 5 Oct 2022 Approved Notes:

Water a lot clearer now.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.3 7.6 12.90 12.10 11.06 112.9 20.27
0.8m 19.3 7.8 17.10 22.70 8.83 105.0 36.01
#15030 19 Sep 2022 Approved Notes:

Water very turbid after recent heavy rains.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 222.9 6.8 13.60 0.40 9.83 94.5 0.69
0.4m 222.9 6.9 13.60 0.40 9.49 91.3 0.69
#14998 7 Sep 2022 Approved Notes:

Water levels very low, a lot of sand has been scoured out by heavy rainfalls over the past month. Water still quite turbid.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 68.3 7.0 9.10 1.50 10.37 90.6 2.74
0.3m 68.3 7.2 9.90 1.70 10.18 90.8 3.17
#14970 24 Aug 2022 Approved Notes:

Water levels very low and water is still turbid.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 126.8 7.1 9.40 0.60 9.81 85.8 1.10
0.5m 126.8 7.0 9.40 0.50 9.73 83.6 1.10
#14946 16 Aug 2022 Approved Notes:

Water very turbid and fast flowing. Recent heavy rainfall flushed all salt water out of the estuary.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 219.8 6.7 10.90 0.40 10.63 96.3 0.72
0.5m 219.8 6.7 11.00 0.40 10.63 96.3 0.71
#14935 11 Aug 2022 Approved Notes:

Water quite turbid and murky.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 45.5 7.4 10.70 3.30 9.98 91.5 5.96
0.8m 45.5 7.3 13.20 30.80 4.79 55.2 47.43
#14930 27 Jul 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 100.2 7.5 10.10 1.60 9.90 88.1 1.58
0.7m 100.2 7.3 9.90 1.70 9.14 81.1 1.62
#14879 13 Jul 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 38.0 7.6 9.70 1.90 11.27 100.1 3.43
0.8m 38.0 7.5 9.90 3.20 8.73 78.5 5.79
#14744 14 Jun 2022 Approved Notes:

Horiba meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 43.7 11.00 2.40 7.84 72.2 4.59
0.7m 43.7 12.90 25.00 0.08 0.9 39.80
#14716 6 Jun 2022 Approved Notes:

Horiba meter used. 3 days after artificial opening.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 37.6 11.10 19.80 6.11 63.0 32.30
0.5m 37.6 13.40 31.10 2.70 31.4 48.60
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