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G5 Coxon's Bridge

Active Physico-Chemical 21-04-2007 - 11-02-2025

Gellibrand River Estuary

241 results found (Displaying 1 - 25)
Date Status Details
11 Feb 2025 Pending Notes:

Debbie Ferrari also sampling

Swans in river. Egrets, herons and other bird life returned

Very slow water flow







Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 19.10 0.20 5.66 65.3 0.27
1.6m 9.0 6.6 18.80 0.20 5.57 63.8 0.27
21 Jan 2025 Approved Notes:

Fewer waterbirds than usual especially when wetlands full/flooded
gp1_5
gp1_5
gp1_5
gp1_5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.4 21.00 0.20 4.83 57.9 0.27
2.1m 9.0 6.6 20.80 0.20 4.50 53.7 0.27
20 Dec 2024 Pending Notes:

Water very dark coloured

Debbie Ferrari also sampling
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.6 20.00 0.20 6.56 77.5 0.27
1.5m 9.0 6.8 19.60 0.20 6.46 75.4 0.27
22 Nov 2024 Approved
gp1_5
gp1_5
gp1_5
gp1_5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 16.70 0.20 7.80 85.1 0.27
1.4m 9.0 6.6 16.20 0.20 7.77 84.4 0.27
11 Oct 2024 Approved Notes:

Debbie Ferrari also sampler for today
gp1_5
gp1_5
gp1_5
gp1_5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.4 12.50 0.20 9.41 93.6 0.29
1.7m 9.0 6.7 12.50 0.20 9.39 93.3 0.29
13 Sep 2024 Approved Notes:

Nancy Maclean also sampling

 

Large sea eagle spotted

gp1_5
gp1_5
gp1_5
gp1_5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 6.2 11.70 0.20 10.29 100.5 0.32
2.4m 12.0 6.6 11.70 0.20 10.25 99.9 0.32
16 Aug 2024 Approved
gp1_5
gp1_5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.4 11.50 0.20 10.01 97.5 0.29
1.5m 9.0 6.7 11.30 0.20 10.01 96.9 0.29
12 Jul 2024 Approved Notes:

Slow to medium flow
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.2 9.60 0.20 11.09 103.2 0.32
1.5m 9.0 6.6 9.50 0.20 11.11 102.8 0.32
21 Jun 2024 Approved Notes:

Kim Morton also attended and sampled
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.2 9.20 0.20 11.20 102.6 0.32
1.4m 9.0 6.5 9.20 0.20 11.13 101.9 0.32
17 May 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 12.60 0.20 9.52 95.2 0.32
1.5m 9.0 6.6 12.30 0.20 9.49 94.0 0.32
19 Apr 2024 Approved Notes:

Estuary is closed.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.4 15.00 0.20 8.11 85.2 0.31
2.4m 9.0 7.2 14.10 0.20 8.04 83.2 0.31
15 Mar 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.6 18.30 0.20 6.35 72.2 0.29
1.5m 9.0 7.0 17.90 0.20 6.28 70.7 0.29
16 Feb 2024 Approved Notes:

Sandi Stannard present

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.6 17.30 0.20 7.31 80.7 0.28
1.4m 9.0 6.9 17.30 0.20 7.15 79.0 0.28
19 Jan 2024 Approved
gp1_1
gp1_1
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.1 18.20 0.20 7.20 81.0 0.27
1.8m 9.0 6.4 18.40 0.20 7.10 80.0 0.27
22 Dec 2023 Approved Notes:

Not as many water birds around as previously
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 17.40 0.20 8.26 91.9 0.28
1.4m 9.0 6.7 17.30 0.20 8.22 91.1 0.28
17 Nov 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.3 15.40 0.20 8.67 92.5 0.29
1.7m 10.0 7.0 15.00 0.20 8.71 91.8 0.29
20 Oct 2023 Approved Notes:

River flats still quite full

Large numbers of ducks and other waterfowl. White-necked heron spotted.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 7.1 13.80 0.20 9.41 96.8 0.28
2.0m 24.0 7.1 13.50 0.20 9.42 96.4 0.28
15 Sep 2023 Approved Notes:

River flats still full
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 6.7 12.50 0.20 9.99 99.9 0.30
2.4m 24.0 6.9 12.10 0.20 10.04 93.9 0.30
25 Aug 2023 Approved Notes:

River flats full++
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 6.8 11.40 0.20 10.12 98.4 0.29
3.0m 27.0 6.9 11.10 0.20 10.14 97.6 0.29
21 Jul 2023 Approved Notes:

River flats full

Old Ocean Road has many holes, corrugations and cracks due to water flows across it.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 23.0 6.9 9.00 0.20 10.70 97.5 0.29
2.8m 23.0 6.9 8.90 0.20 10.62 96.6 0.29
16 Jun 2023 Approved Notes:

River flats full

Lots of birdlife
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 53.0 7.0 11.10 0.20 9.84 94.7 0.31
3.1m 53.0 6.9 10.90 0.20 9.76 93.5 0.32
19 May 2023 Approved Notes:

Plenty of water in flats.

Lots of waterfowl-swamp-hens, black swans
G5_Coxons_19th_May_2023.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.3 10.60 0.20 10.43 99.5 0.30
1.8m 10.0 7.2 10.30 0.20 10.47 98.8 0.30
21 Apr 2023 Approved Notes:

River flats contain water. Many swans and ither water fowl.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 6.8 14.20 0.20 9.10 94.0 0.30
2.0m 15.0 6.8 14.00 0.20 9.05 93.4 0.30
24 Mar 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.9 16.30 0.20 8.09 87.5 0.27
1.3m 9.0 7.0 16.30 0.20 8.00 86.6 0.27
10 Feb 2023 Approved Notes:

Good birdlife-black swans+++

Cattle grazing close to river

Water still present in flats
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 6.9 17.70 0.20 7.63 85.5 0.29
1.4m 12.0 7.1 17.40 0.20 7.61 84.6 0.29
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