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G4 Bridge at Rivernook

Active Physico-Chemical 21-04-2007 - 15-03-2024

Gellibrand River Estuary

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171 results found (Displaying 26 - 50)
ID Date Status Details
#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
#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 Pending 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 Pending 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
#12857 19 Apr 2019 Approved Notes:

*eErr reading on meter@ 2.50 m down. Meter turned off, probe rinsed with distilled water & re calibrated, after which the reading at 2.50m was re -taken successfully & monitoring continued

Many fish in large schools observed around bridge - going both upstream & downstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.4 14.40 1.50 6.93 68.4 2.80
5.0m 9.0 7.1 16.80 33.70 2.11 27.0 51.30
#12846 11 Apr 2019 Approved Notes:

Large amount of vegetation floating on surface

Water being pumped off flats upstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.40 1.40 5.57 55.0 2.82
5.7m 17.20 34.20 5.22 67.2 51.90
#12809 2 Apr 2019 Approved Notes:

Very large number of small fish swimming actively around bridge & upstream (5-15 cm.)

Not able to continue beyond 4.00m because of getting covered with small biting ants

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.90 0.20 7.04 68.8 0.43
4.0m 14.90 0.20 7.13 70.6 0.40
#12806 1 Apr 2019 Approved Notes:

Depth was lower but monitoring did not proceed beyond 5.00m

Only low areas have visible water cover
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.30 0.40 5.38 54.0 0.80
5.0m 15.40 0.50 5.20 52.2 0.94
#13011 22 Mar 2019 Approved Notes:

IEC Site. Mouth Closed.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.9 6.7 18.70 0.60 4.78 51.3 1.09
6.4m 2.9 7.1 17.00 26.80 0.36 4.4 41.74
#12782 22 Mar 2019 Approved Notes:

Algae attached to stream side veg. 1 very small dead fish close to bridge

Great white egret  on flats
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.9 6.7 18.70 0.60 4.78 51.3 1.09
6.4m 2.9 7.1 17.80 26.80 0.36 4.4 41.74
#12774 19 Mar 2019 Approved Notes:

Water visible on all Rivernook & Kangaroobie flats but no water on flat NE side upstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.90 0.50 5.19 54.7 1.02
5.5m 18.10 26.30 0.03 0.4 40.93
#13010 15 Feb 2019 Approved Notes:

IEC Site. Mouth Closed.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.6 6.6 17.70 0.90 6.01 63.2 5.60
5.5m 5.6 7.0 18.70 27.20 0.57 7.1 42.34
#13009 18 Jan 2019 Approved Notes:

IEC Site. Mouth Closed.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.2 6.7 21.70 0.90 6.29 71.8 1.74
5.0m 6.2 6.4 18.10 28.30 0.61 7.5 43.92
#13008 21 Dec 2018 Approved Notes:

IEC Site. Mouth Open.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.5 7.0 18.10 0.10 7.04 74.6 0.28
4.8m 13.5 7.0 18.20 0.10 6.94 73.6 0.28
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