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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 101 - 110)
ID Date Status Details
#11246 1 Jun 2017 Approved Notes:

West wind - very cold 3-4

Water still over 1 area on OOR near flood markers -running south

No Water across spillway at G4, flats drained but waterlogged. Visible water only in drains & very low areas

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 6.4 10.20 0.20 8.40 74.7 0.40
5.0m 17.0 10.10 0.20 8.55 76.2 0.40
#11264 16 Jun 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.1 10.30 0.20 8.48 75.6 0.36
5.2m 9.0 10.30 0.20 8.23 73.2 0.36
#11357 21 Jul 2017 Approved Notes:

Air temp 3.

Many currents & eddies in extremely fast flow, large amount of debris in flow ( mainly dead veg.) 

Rivernook flats have water cover & wide area of water flowing through dip in causeway but practically no water downstream of bridge on north side of channel on Kangaroobie
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 70.0 6.7 8.60 0.20 7.32 63.2 0.34
5.7m 70.0 8.80 0.20 7.35 63.4 0.34
#11523 20 Oct 2017 Approved Notes:

Film visible on water surface

Flow full of eddies & whirlpools also visible distinct  short backflow going upstream

Flats waterlogged but no visible water. Flats upstream mill between G5&G4 still underwater. Cape pond weed prolific on all flats around G5. Huge no. water fowl in these areas 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 6.8 15.00 0.10 7.46 72.4 0.28
4.8m 21.0 15.10 0.10 7.50 74.6 0.28
#11598 17 Nov 2017 Approved Notes:

Reduced flow & water level. Dense Phragmities growth all along side of river channel
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 18.10 0.10 6.46 70.7 0.28
4.5m 19.0 18.10 0.10 6.44 68.1 0.28
#11663 15 Dec 2017 Approved Notes:

Phragmities tall & very prolific encroaching well into river channel. Some falling ito the flow & trapping algal scum & debris

Large no. Army grubs on bridge

Many small fish (3-5 cm long) around streamside veg. some also in main flow
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.0 19.10 0.10 7.14 77.1 0.27
5.0m 10.0 17.30 26.30 4.89 59.4 40.91
#11730 21 Jan 2018 Approved Notes:

E. wind but site more sheltered by Phragmities than G5  - Phragmities very high dense & taking up more of the water way. Increase of algae on streamside veg.

Springs running strongly all along OOR
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 20.80 0.50 6.25 70.1 0.94
5.1m 9.0 17.80 29.60 0.04 0.5 45.61
#11806 29 Jan 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 6.7 23.90 0.60 4.80 57.5 1.14
5.2m 15.0 7.3 18.30 30.50 0.29 3.8 46.86
#11856 16 Feb 2018 Approved Notes:
  • This monitoring was conducted as part of the Index of Estuary Condition.
  • The CCMA YeoKal was used.  It can measure turbidity below 9 NTU.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.1 7.0 18.10 0.30 5.90 63.0 0.63
5.7m 3.1 7.0 17.70 30.10 0.43 5.5 46.52
#11864 6 Mar 2018 Approved Notes:

S /E wind swirling around -small surface waves. Flow may be wind driven as well as slow

Algae forming on streamside veg. River smells very bad between G4 & township
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 18.00 0.30 4.48 47.6 0.62
5.8m 9.0 6.8 17.30 28.90 0.03 0.3 44.09
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