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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 51 - 75)
ID Date Status Details
#13007 23 Nov 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 19.5 7.3 15.30 0.30 7.95 80.3 0.67
5.3m 19.5 7.3 16.60 21.50 4.22 49.3 34.25
#12537 16 Nov 2018 Approved Notes:

Water level surprisingly high compared with G5

No water across causeway

Remains of skinned dead eel in water beside bridge & old bait trap hung on post
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 6.8 15.20 0.10 7.74 77.3 0.31
5.0m 19.0 7.1 15.70 21.10 3.89 44.9 33.60
#12462 19 Oct 2018 Pending
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 7.0 18.00 1.00 5.92 63.7 1.88
2.9m 19.0 6.8 13.80 25.20 2.10 23.5 39.47
#12451 19 Oct 2018 Approved Notes:

Probe attached to weighted rope throughout monitoring

Water flowing fast across dip in causeway
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 6.6 15.30 0.10 7.18 72.1 0.26
5.5m 50.0 6.7 15.20 0.10 7.20 72.0 0.26
#12403 21 Sep 2018 Approved Notes:

Flow not as fast as G5 but many opposing strong currents creating whirlpools, large amount of vegetation floating in current
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 6.9 10.40 0.10 9.49 85.4 0.31
5.0m 14.0 6.9 10.40 0.10 9.51 85.1 0.31
#12070 18 May 2018 Approved Notes:

AHD G2 0.61 @ 09:05

Flats around G4 have drained -waterlogged only -no water across dip in causeway. Flow very dark colour with floating veg.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 11.90 0.20 8.15 75.4 3.26
5.0m 9.0 6.4 11.80 0.20 8.03 74.2 3.23
#11994 21 Apr 2018 Approved Notes:

Water flow very dark & dirty with lots of debris. "skin" across water surface, more dense near streamside veg.

No water across causeway dip. Flats have drained from around G4 & downstream but flats closer to G5 are completely covered
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.20 0.30 6.90 67.2 0.55
4.9m 14.10 0.30 6.65 64.8 0.55
#11968 13 Apr 2018 Approved Notes:

AHD G6 1.48 @  08:05

CCMA YEOKEL meter used

Flood water over most flats
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.1 6.5 16.50 0.60 6.36 65.4 1.08
5.9m 6.1 7.0 17.70 31.00 1.98 25.0 47.68
#11950 10 Apr 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 16.90 0.50 4.59 47.5 1.10
5.8m 17.50 30.30 0.04 0.4 46.53
#11896 16 Mar 2018 Approved Notes:

Streamside veg. coated with dried algae & silt
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.3 7.1 17.30 0.40 5.93 62.2 0.70
5.1m 6.3 6.8 18.80 20.70 0.38 4.6 33.15
#11877 11 Mar 2018 Approved Notes:

AHD G6 1.05 @15:15

Site difficult to monitor because long weekend activity

River very dark & dirty  -drain discharging just U/S G4
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.70 0.50 4.42 47.7 1.05
5.0m 17.60 28.60 0.07 0.8 44.18
#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
#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
#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
#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
#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
#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
#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
#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
#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
#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
#11187 20 May 2017 Approved Notes:

Cold east wind  3

Water across spill way
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.2 11.30 0.40 8.15 74.3 0.78
5.5m 9.0 14.40 26.90 3.26 38.3 41.85
#11105 22 Apr 2017 Approved Notes:

West wind 3 (Sheltered by Phragmities)

At 2.00 m down probe started to drift up stream & downstream in response to pulsing from mouth / estuary. As the flow went upstream the E.C. rose from E.C.1.500 to 40.500 then dropped down as the probe went downstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.3 14.20 0.50 7.02 69.8 1.00
5.0m 9.0 16.30 29.90 3.08 37.7 44.57
#10993 25 Mar 2017 Approved Notes:

Water through dip in causeway

Evidence of duck shooters = feathers
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.4 18.30 1.00 4.84 51.7 1.90
5.5m 9.0 18.30 27.80 0.23 2.8 43.08
#10947 17 Mar 2017 Approved Notes:

Channel somewhat sheltered from wind by large stand of Phragmities all along the bank. Algae on submerged veg. Large amount of seeds & small dry matter on surface

Very large tiger snake crossed channel next to probe line. One seen previously in channel  further down stream.  Small fish also previously clustered around probe

No visible water on flats either up or down stream

Platypus seen in water at Kangaroobie

Water not sampled beyond 4.50m
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 19.40 0.60 4.68 46.7 1.22
4.5m 9.0 18.10 27.00 0.03 0.4 41.69
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