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Ai1 Bridge over Aire River Estuary

Active Physico-Chemical 24-02-2024 - 09-02-2025

Aire River Estuary

13 results found (Displaying 1 - 13)
Date Status Details
9 Feb 2025 Approved Notes:

River level very high (1.7m). Quite a lot of storm damage observed on the travel down from Colac. Approx 50% of camping sites flooded.
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Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.1 20.50 7.90 91.0 6.02
3.5m 9.0 7.3 21.90 0.57 5.3 27.32
12 Jan 2025 Pending
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Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.0 23.70 7.10 88.0 4.70
3.5m 10.0 6.8 21.30 2.13 28.0 39.90
8 Dec 2024 Approved Notes:

Gellibrand caravan park noted high rainfall on Friday and Saturday6/7th December.

Water is very tannin stained.
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Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 7.0 18.40 7.91 86.9 9.09
2.5m 30.0 7.6 17.10 7.24 91.9 50.88
10 Nov 2024 Approved



Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 26.0 6.3 18.50 9.75 106.0 4.06
3.4m 26.0 7.8 16.70 3.80 46.5 43.06
5 Oct 2024 Approved Notes:

large tree washed downstream and now exposed since last observations

river level 0.6m on guage. note automatic guaging station not operatring since control unit flooded in September
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Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.8 13.70 9.51 94.0 6.69
2.0m 9.0 8.2 14.40 7.82 94.2 5.19
7 Sep 2024 Approved
Aire_River_Bridge.pdf


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.3 12.50 9.18 92.3 10.83
4.0m 9.0 7.6 12.60 6.06 69.4 45.36
3 Aug 2024 Approved
Aire_River_Bridge_Aug_3_2024.pdf


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 7.2 19.20 10.64 96.9 13.60
2.0m 24.0 7.4 12.30 9.51 107.6 47.04
6 Jul 2024 Approved



Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 5.1 11.50 11.75 112.6 12.22
2.5m 9.0 7.9 13.60 7.22 84.9 49.14
27 May 2024 Approved Notes:

Very clear, turbidity tube was very clear at 9,
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Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.6 11.80 10.86 100.6 1.98
2.5m 9.0 7.7 15.90 4.96 60.6 4.79
27 Apr 2024 Approved
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Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.5 7.2 13.70 10.07 98.0 2.48
3.0m 9.5 7.5 16.20 4.15 51.5 49.39
6 Apr 2024 Approved Notes:

machine settings to Us/cm, so factored by 1000.



Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.8 17.00 9.08 95.6 4.96
3.0m 9.0 7.1 19.20 2.86 38.1 48.25
24 Mar 2024 Approved Notes:

This is a new machine supplied, forgot to include kcl solution so unable to calibrate. 


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 6.9 17.70
2.0m 15.0 7.0 17.30
24 Feb 2024 Approved


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.5 20.50 8.18 92.4 4.65
3.2m 9.0 7.1 20.90 4.47 58.5 40.88
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