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B5 Tait Point

Active Physico-Chemical 10-12-2007 - 20-03-2024

Barwon River Estuary

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217 results found (Displaying 101 - 125)
ID Date Status Details
#11758 1 Feb 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.2 8.4 17.20 21.90 6.95 72.3 31.30
0.5m 12.2 8.4 17.80 24.70 2.79 29.6 35.30
#11723 17 Jan 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 8.9 22.00 22.90 8.22 93.4 32.70
0.3m 12.0 9.2 21.60 22.90 8.22 93.4 32.70
#11701 4 Jan 2018 Approved Notes:

Lots of algae on the water's surface. The algae was covered with flies. Also some fine scum on the surface.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 8.5 21.20 20.90 9.22 103.8 29.90
0.5m 13.0 8.4 21.20 21.10 8.95 100.9 30.20
#11678 21 Dec 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 8.0 20.50 10.80 6.48 71.9 15.45
0.6m 12.0 8.9 20.70 16.70 11.13 124.6 23.90
#11646 7 Dec 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 8.1 20.90 4.90 8.49 96.5 7.00
0.5m 27.0 8.2 20.80 5.90 8.68 98.6 8.40
#11596 15 Nov 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 80.0 8.5 22.50 2.80 7.64 89.0 3.94
0.4m 80.0 8.4 22.50 2.80 7.60 88.6 3.94
#11562 2 Nov 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 25.0 8.3 16.30 3.50 8.98 91.7 5.07
0.5m 25.0 8.2 16.40 3.70 8.84 90.6 5.29
#11489 5 Oct 2017 Approved Notes:

Water brownish coloured
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 47.0 7.7 17.40 1.20 7.66 80.5 1.69
0.3m 47.0 7.8 17.30 1.20 7.66 80.4 1.69
#11458 20 Sep 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 95.0 7.7 11.50 1.00 7.70 70.1 1.45
0.5m 95.0 7.5 11.50 1.00 7.65 70.1 1.44
#11439 7 Sep 2017 Approved Notes:

Following recent heavy rainfall, the EC/salinity were lower than usual and the turbidity higher.  The water was a brownish colour.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 33.0 8.0 10.50 3.12 10.30 92.4 4.46
0.5m 33.0 7.8 10.40 3.30 10.10 90.5 4.72
#11671 16 Aug 2017 Approved Notes:

High winds.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 65.0 8.0 12.10 10.00 9.21 88.1 14.28
0.7m 65.0 8.0 11.90 10.00 9.24 87.7 14.30
#11371 3 Aug 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 8.3 9.00 4.60 11.46 98.9 6.60
0.3m 17.0 8.5 9.90 8.30 12.39 109.4 11.90
#11323 6 Jul 2017 Approved Notes:

Potential new Estuarywatcher Peter Curtis observed and assisted.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 8.8 8.30 8.37 12.30 104.8 11.95
0.5m 14.0 8.9 8.30 8.47 12.39 105.5 12.10
#11274 21 Jun 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 8.9 12.30 3.17 14.03 130.0 4.53
0.5m 15.0 8.9 12.30 3.17 13.92 128.9 4.53
#11229 1 Jun 2017 Approved Notes:

Unusual observation: Top turbidity reading considerably greater than bottom reading. May be due to muddy run-off following recent rain.

Many waterbirds.  Mainly ducks also cormorants and swans.  Shooters arrived to launch boat as we departed.

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 26.0 8.2 11.00 11.90 12.77 113.6 16.94
0.4m 26.0 8.4 12.00 15.70 14.73 134.1 22.50
#11175 17 May 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 37.0 8.2 14.10 2.80 9.05 88.0 3.99
0.5m 37.0 8.0 14.20 2.80 8.98 87.4 4.01
#11137 4 May 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 70.0 7.4 14.10 1.90 7.30 70.3 2.76
0.5m 70.0 7.2 14.90 7.50 1.89 18.5 10.69
#11100 19 Apr 2017 Approved Notes:

PH meter not calibrating
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 17.70 14.28 11.66 121.7 20.40
0.4m 9.0 19.30 19.95 14.12 151.9 28.50
#11081 11 Apr 2017 Approved Notes:

Water clear of visible macro algae


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.2 15.40 25.20 7.84 78.0 36.00
0.4m 15.10 25.97 7.96 78.9 37.10
#11060 7 Apr 2017 Approved Notes:
  • large rafts of macro algae throughout the lake.
  • large numbers of black swans and cootes feeding on the lake.
  • very windy conditions.



Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.7 19.50 23.80 13.31 145.0 34.00
0.4m 9.0 8.7 19.50 23.73 14.07 153.1 33.90
#11063 6 Apr 2017 Approved Notes:

Unable to calibrate pH meter at pH4 - meter wouldn't lock on to pH4.

pH indicator strips used to record pH.

Time of low tide: 12:39
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 9.0 20.20 28.60 14.43 170.0 40.80
0.4m 9.0 8.5 20.20 28.70 15.24 180.0 41.00
#10908 14 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 8.4 23.40 22.75 8.20 103.4 32.50
0.5m 9.0 8.4 23.80 27.58 9.01 113.8 39.40
#10864 2 Mar 2017 Approved Notes:

Low tide time: 9:33am

Surface of Lake Connewarre covered with algae - pale greenish yellow with lots of trapped bubbles (see photographs)


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.6 23.20 25.80 8.03 99.2 36.90
0.5m 9.0 8.6 24.20 27.80 7.05 89.2 39.70
#10811 15 Feb 2017 Approved Notes:

The depth markers on the Hach meter cords do not correspond with the 50cm measurements on the weighted rope.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 7.2 20.30 27.00 12.53 139.8 38.50
0.4m 11.0 7.5 20.40 26.70 13.44 150.3 38.10
#10772 2 Feb 2017 Pending
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.3 21.10 30.90 10.37 117.0 44.20
0.5m 9.0 8.2 21.10 30.90 10.50 118.5 44.10
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