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G4 Bridge at Rivernook

Active Physico-Chemical 21-04-2007 - 13-09-2024

Gellibrand River Estuary

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181 results found (Displaying 1 - 50)
ID Date Status Details
#16437 13 Sep 2024 Approved Notes:

Nancy Maclean & Debbie Ferrari also sampling


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 6.6 11.90 0.20 10.31 101.1 0.33
5.0m 11.0 6.8 11.90 0.20 10.30 100.9 0.33
#16426 30 Aug 2024 Approved Notes:

Kim Morton also sampling

Monitored following strong ocean storm surge 

Hard to gauge flow due to wind


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 6.1 12.00 0.30 9.98 98.3 0.37
5.5m 11.0 6.6 11.80 0.40 10.04 98.2 0.55
#16418 16 Aug 2024 Approved

gp1_4
gp1_4
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 11.30 0.20 9.90 95.7 0.30
5.0m 9.0 6.9 11.10 0.20 9.92 95.5 0.30
#16404 12 Jul 2024 Approved Notes:

Slow to medium
gp1_4
gp1_4
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 9.60 0.40 10.95 102.2 0.51
5.0m 9.0 6.1 11.70 26.00 7.17 70.2 37.00
#16264 21 Jun 2024 Approved Notes:

Kim Morton also sampler


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.8 9.40 0.30 11.00 101.8 0.39
5.0m 9.0 7.0 13.50 31.70 4.83 49.1 45.30
#16256 17 May 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 6.7 12.40 0.80 9.26 92.0 1.19
5.0m 9.0 7.2 15.50 33.00 6.47 68.6 47.40
#16208 22 Apr 2024 Approved Notes:

We monitored in followed up to forced river opening on 19/4 

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 7.7 13.80 8.54 89.5 0.36
4.8m 20.0 7.9 13.10 8.76 88.6 0.36
#16246 19 Apr 2024 Approved
gp1_4
gp1_4
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.2 14.30 0.50 7.51 77.7 0.74
6.0m 9.0 6.5 18.50 32.10 0.07 0.8 42.90
#16126 15 Mar 2024 Approved
gp1_4
gp1_4
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.8 18.20 1.40 6.28 71.2 2.00
5.0m 9.0 7.1 19.60 30.70 3.02 35.3 43.90
#16038 16 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 6.9 17.90 0.90 6.81 76.1 1.34
5.0m 9.0 7.2 18.90 30.50 3.09 34.9 43.60
#16034 19 Jan 2024 Approved Notes:

Sandi Stannard also present - needs to be added to list above

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 17.90 0.20 7.04 78.7 0.28
5.1m 9.0 6.8 18.60 22.80 4.18 47.4 32.70
#15952 22 Dec 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 17.20 8.20 90.7 0.29
4.5m 9.0 6.9 17.00 8.15 89.9 0.29
#15867 17 Nov 2023 Approved Notes:

Sandi Stannard also monitoring

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.9 14.80 8.62 89.1 0.30
4.8m 9.0 7.4 15.70 7.37 78.5 41.80
#15818 20 Oct 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 7.1 14.20 0.20 9.36 96.6 0.28
5.0m 30.0 7.2 13.80 0.20 9.30 96.1 0.29
#15748 15 Sep 2023 Approved Notes:

Flats around Rivernook have emptied significantly
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 7.2 12.50 0.20 9.91 98.5 0.31
4.9m 27.0 7.1 12.10 0.20 9.89 97.9 0.31
#15722 25 Aug 2023 Approved Notes:

Very fast flow
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 6.9 11.40 0.20 9.81 95.2 0.29
6.0m 30.0 7.0 11.20 0.20 9.68 93.6 0.29
#15671 21 Jul 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 7.1 8.80 0.20 10.42 94.9 0.30
5.0m 24.0 7.0 8.80 0.20 10.33 93.9 0.30
#15580 16 Jun 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 6.9 11.00 0.20 9.25 89.1 0.32
5.5m 50.0 6.8 10.80 0.20 9.16 87.7 0.32
#15533 19 May 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.2 10.60 0.20 10.25 97.7 0.31
5.0m 10.0 7.2 10.30 0.20 10.22 97.2 0.31
#15489 21 Apr 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 7.0 14.40 0.20 8.70 90.9 0.32
5.0m 14.0 7.0 14.10 0.20 8.71 90.0 0.32
#15371 24 Mar 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 7.1 16.50 0.20 7.88 85.9 0.28
4.9m 11.0 7.0 17.80 26.20 4.24 47.3 35.20
#15285 10 Feb 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 7.1 17.60 0.20 7.43 83.0 0.30
4.8m 15.0 7.0 17.40 0.20 7.44 82.4 0.30
#15255 21 Jan 2023 Approved Notes:

EC stabilized for bottom 2 values only
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 7.2 17.90 7.17 80.7 0.28
4.8m 11.0 7.1 18.30 5.51 62.5 32.40
#15181 16 Dec 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 7.1 14.50 0.20 8.91 93.2 0.29
5.0m 24.0 7.1 14.20 0.20 8.93 92.4 0.29
#15140 18 Nov 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 7.0 14.60 0.20 8.59 89.9 0.26
5.0m 19.0 6.7 14.40 0.20 8.55 88.9 0.26
#15086 21 Oct 2022 Approved Notes:

Dried reeds on bridge from end to end.

2 weights attached to probe

Many eddies in water

Bottom turbidity+pH not done  due to strong drag

Flow very fast
G4_Rivernook_21st_Oct.2022_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 6.8 14.70 0.20 6.54 68.7 0.23
5.8m 27.0 14.70 0.20 6.49 68.2 0.23
#15025 16 Sep 2022 Approved Notes:

Heavy forward drag on probe at all depths.
G4_Rivernook_16th_Sept._2022_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 7.5 11.30 0.20 9.85 95.7 0.29
5.0m 19.0 6.9 11.00 0.20 9.91 95.5 0.29
#14957 19 Aug 2022 Approved Notes:

Extra weights required. Meter attached to weights.

 

 

Deep, dragging with flow so not on bottom.
G4_Rivernook_19th_August_2022_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 6.4 11.10 8.22 79.1 0.23
5.9m 50.0 11.00 8.07 77.3 0.23
#14908 22 Jul 2022 Approved Notes:

pH meter not working

Strong current pulling probe forward so not measuring at stated depth

No visible water on flats

North-east breeze
EW_22nd_July_2022_G4_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 7.80 10.33 87.0 0.27
5.0m 27.0 7.70 10.29 86.3 0.28
#14693 19 May 2022 Approved Notes:

Lots of water in flats

Large shoal of small fish east of bridge
G4_19th_May_2022_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 6.1 11.80 8.46 78.6 1.21
5.7m 12.0 7.2 15.00 7.28 86.2 44.83
#14631 22 Apr 2022 Approved Notes:

EC swinging widely down to 3m. Mid reading estimated.

Probe line vibrating below 3.5m

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.1 14.20 7.53 73.7 0.70
5.3m 9.0 7.6 17.30 4.99 61.9 44.93
#14614 18 Mar 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.0 18.30 6.81 72.5 0.29
4.5m 9.0 7.0 18.30 6.66 70.9 0.28
#16260 18 Feb 2022 Approved Notes:

No drag on cable. very little flow observed. No weight on sensor.

Very windy. No water on causeway.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 19.10 6.63 72.2 1.89
5.2m 9.0 7.1 19.00 4.59 57.7 39.93
#14420 17 Dec 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 7.6 16.70 7.77 80.0 0.26
4.8m 17.0 7.0 16.70 7.70 79.2 0.26
#14362 19 Nov 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 6.7 13.90 8.49 82.3 0.25
5.0m 21.0 6.8 13.90 8.39 81.2 0.25
#14289 17 Sep 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 10.60 9.36 84.2 0.30
5.0m 14.0 10.50 9.24 83.0 0.30
#14174 18 Jun 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 6.3 10.40 7.99 71.5 0.27
4.5m 13.0 6.2 10.30 7.89 70.5 0.27
#14138 21 May 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 6.7 10.40 8.89 79.6 0.27
5.2m 14.0 6.6 10.40 8.83 79.0 0.27
#16248 16 Apr 2021 Approved Notes:

EC erratic
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.8 13.10 0.30 8.50 80.9 0.49
5.1m 9.0 6.8 15.80 37.00 4.56 55.2 45.96
#14033 26 Mar 2021 Approved

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.8 17.50 6.79 71.4 1.55
4.9m 9.0 7.3 17.80 4.84 60.2 43.44
#13647 20 Mar 2020 Approved Notes:

AHD G2 1.48

Flood waters over causeway & surrounding flats.  Many swans in area

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.9 16.40 0.40 5.39 55.3 0.72
6.0m 9.0 7.0 17.10 25.90 0.03 0.4 40.40
#13583 21 Feb 2020 Approved Notes:

At depth of 4.00 m. probe line was vibrating strongly -possibly because of variable currents going both upstream & downstream, also at that depth the scour hole would have had some effect.

 

Photos of between G5&G4 included


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.8 17.60 0.30 5.87 61.7 0.53
4.9m 10.0 7.2 17.60 26.90 0.06 0.7 41.81
#13513 17 Jan 2020 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 18.20 1.10 5.69 60.6 2.07
4.8m 9.0 7.4 16.90 28.90 3.44 42.4 44.68
#13462 20 Dec 2019 Approved Notes:

Strong NE wind 4

Extreme Phragmities growth filling in channel
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 6.6 18.20 0.10 7.61 80.4 0.26
4.5m 17.0 6.5 18.10 0.10 7.35 77.6 0.26
#13427 22 Nov 2019 Approved Notes:

no visible flood water around G4 & immediately upstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 6.6 15.20 0.10 8.28 82.4 0.27
5.0m 15.0 6.6 15.20 0.10 8.29 82.6 0.27
#13366 18 Oct 2019 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 6.9 12.80 0.20 8.33 79.2 0.31
5.2m 17.0 7.1 12.80 0.10 8.46 79.9 0.31
#13334 20 Sep 2019 Approved Notes:

Very turbulent currents in all directions. Flats have drained but remain water logged. No water across gap in causeway
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 6.9 11.20 0.10 9.99 90.7 0.30
5.0m 17.0 6.9 11.10 0.10 10.20 92.7 0.30
#13295 31 Aug 2019 Approved Notes:

Probe attached to weighted rope still drifting in strong current

Flow increased @ 5.00m down

No turbidity or pH taken @ bottom depth because of  very strong flow

Very little visible water cover on flats downstream G4 & Rivernook, but upstream G4 large areas of water remain. Some water  flowing through part of gap in causeway @ G4
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 23.0 6.9 9.70 0.10 9.39 87.3 0.28
5.3m 23.0 9.60 0.10 10.03 88.2 0.28
#13163 21 Jun 2019 Approved Notes:

Flood water around G4 has drained.
Gp1_20190621.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 6.9 8.70 0.20 9.28 79.8 0.38
5.0m 11.0 8.70 0.20 9.33 80.1 0.38
#13074 17 May 2019 Approved Notes:

Large school of Galaxias near bridge. Phragmities extending into river channel

Silt samples collected for R.M.I.T Pesticide testing


Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.7 11.30 0.20 8.06 73.8 0.32
5.0m 10.0 6.6 11.30 0.20 7.72 69.9 0.32
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