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G6 Great Ocean Road Bridge at Lower Gellibrand

Retired Physico-Chemical 20-04-2007 - 11-03-2017

Gellibrand River Estuary

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227 results found (Displaying 1 - 25)
ID Date Status Details
#10937 11 Mar 2017 Approved Notes:

AHD 1.12 @ 12:55

*Problems with something attracted to the probe at 2.00m & below
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.80 0.00 6.17 66.2 0.00
3.5m 18.60 0.00 4.61 49.3 0.00
#10934 10 Mar 2017 Approved Notes:

AHD G6    1.38     AHD G2   1.40

Fallen leaves & seed pods on surface
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.60 0.00 7.52 80.4 0.00
2.8m 18.40 0.00 7.32 77.9 0.00
#10933 9 Mar 2017 Approved Notes:

AHD    G6        1.37  @ 07:37          1.38 @   12:30  

Surface of water covered with dead Blackwood leaves & seed pods. Lots of bubbles rising to surface from  Fish / eels etc.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.50 0.00 6.25 67.0 0.00
2.6m 18.30 0.00 6.15 65.2 0.00
#6143 23 Sep 2011 Approved Notes: 1. AHD 1.75
2. Downstream G6 White necked herons 10, Gt white egrets 2.
3. G4 - water close to bearer, no water on Rivernook flats. White egrets 2, Whitenecked heron 1.
4. Between G5&G4 water remaining in drains & low areas. White necked herons 4, Teal 20+
5. G5 - Water cover in low areas & drains , Capepond weed flowering. Whiteheaded herons 29, White necked herons 4, white ibis 7, Pied comorants 2, pair Mountain duck with 5 young, many Black duck & Teal
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 13.50 0.10 8.16 78.2 0.30
3.1m 30.0 13.10 0.20 7.96 73.6 0.32
#6123 17 Sep 2011 Approved Notes: 1. AHD 1.56
2. G4- Water well under bearer. White herons 6, Ravens & Masked plover on Bowkers flat
3. Between G5&G6 Flats waterlogged - water visiable in low areas Cape pondweed flowering in small areas down to G4.
4. G5 Flats waterlogged, large areas of water visiable in low areas -large coverage of cape pond weed
some flowering but large areas rotting . Gt.White egrets 8, White necked Herons 4, White headed herons 30+, also Shellduck, Black duck & swans
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 12.30 0.10 9.71 90.3 0.30
2.9m 30.0 11.50 0.10 9.72 89.0 0.32
#6083 9 Sep 2011 Approved Notes: 1.AHD 1.60
2.Gt white egret at bridge
3. - G4 water under bearer -Gt white egrets 2,
W/h herons 3
4.- Between G5&G4 Flats covered with silt & waterloged, water still in low areas
5. - G5 Flats covered with silt & water in low areas (Cape Pond Weed flowering in those areas)
Reduction in water bird no's, now mainly Herons, Egrets & Shellduck (pair with 4 young).
Gt Whire Egrets 2, Grebes 4, White Necked Herons 4, White headed Herons 6, Swans 20
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 10.00 0.20 9.16 81.2 0.34
2.9m 30.0 9.90 0.20 9.26 82.3 0.37
#6043 3 Sep 2011 Pending Notes: 1.AHD 1.58 (13:05)
2. Large areas of blackwood blossoms in water.
3.G4 Water below bearer (Gt.white egrets 2)
4. Between G5 &G4 - water receeding, flats covered with silt, some water in low areas ( Gt.White egrets 6
5. G5 Low areas holding water, Cape pond weed flowering, silt covering most areas. Large nos of water birds along drains.
Gt white egrets 48+, White headed herons 22, White necked Herons 2.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 11.30 0.10 10.18 92.4 0.31
2.5m 30.0 11.00 0.20 10.28 93.4 0.32
#6023 26 Aug 2011 Pending Notes: .AHD 1.90
2.G4 water below bearer - no water on Rivernook flats (Large no. Arum lillies)
3. Between G5&G4 - water level falling , water in drains
4.G5 water cover in all low areas, Cape pond weed in flower Many water birds in this area.
Whitenecked herons 4, Gt white egrets 8, Grebes 2.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 7.0 10.50 0.10 8.85 79.3 0.29
3.3m 30.0 10.30 0.10 8.49 75.9 0.30
#5967 19 Aug 2011 Approved Notes: 1.AHD 2.89 at 12:25 ( AHD 2.84 at 08:48)
2.Blackwood flowering many flowers in water
3. G4 water up to south bearer base, no visiable water on Rivernook flats
4.Between G5 & G4 water returned & overbank closer to G5.
5.G5 Gt White egret 3,White headed herons 16, Pie d comorants 2, White necked herons 2.
Many Wood duck, Black duck, Shellduck, Swans & Teal -Chestnut &Grey.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 200.0 7.0 11.50 0.10 8.66 78.9 0.31
4.3m 200.0
#5948 12 Aug 2011 Approved Notes: 1.AHD 2.48 12:45 ( 2.46 08:10)
2.G4 Bridge bearer above water - no water on Rivernook flats (cattle grazing)
3. Between G5&G4 - water receeding but low areas still covered. Cape Pondweed extending along drain toward G4.
4.G5 water receeding but low areas still covered - increase of Cape pond weed north & south of river
5. Hoary headed Grebes 2, Pied Comorants 2, Gt. white Heron 2, White necked Heron 1. very large no. waterbirds around G5
6.Deer 2, below G6
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 10.10 0.10 8.88 78.7 0.30
3.9m 50.0 9.90 0.10 9.12 80.8 0.30
#5930 5 Aug 2011 Approved Notes: 1. AHD 2.18
2. Gt.White egrets 2, smaller white Egret 1, White headed heron 1, north of Princetown township
3. water below bearer at G4 -no visible water on Rivernook flats
4.G5 water level reducing but low areas covered. Cape pond weed flowering.
Very large no. water birds including W.H. Herons 24, Gt White egrets 4, Pied Comorant 1 & Wedgetailed eagle 1.
(Very large no.s of birds also sighted at Chapple vale)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 7.0 11.00 0.20 8.53 77.4 0.33
3.5m 40.0 10.60 0.20 8.67 78.0 0.32
#5927 29 Jul 2011 Approved Notes: 1. AHD 2.88
2. G4 - water over bottom of south side bearer, turbulance around center of channel. Rivernook flats- water in low areas
Gallahs 2, Wedge tailed eagle 1.
3.Between G5 & G4 area flooded again. Very large no of water birds in area
4. G5 Flats still flooded. Cape pond weed flowering
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 7.0 9.00 0.10 9.49 82.5 0.28
4.2m 50.0 8.60 0.10 9.54 81.9 0.28
#5891 22 Jul 2011 Approved Notes: 1. AHD 3.00
2. Water below bearer at G4 no visiable water on Rivernook flats, water starting to receed around G5 but all low areas under water. Cape pondweed flowering
3.Huge no. waterbirds Wood duck, Whiteheaded Herons, Swans, Teal, Blackduck, Hardhead & Grebes, also Great White Herons 2.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 7.5 9.70 0.10 9.25 80.7 2.64
4.3m 40.0 9.40 0.10 9.28 81.3 2.60
#5847 16 Jul 2011 Approved Notes: 1.AHD 3.42
2. Area from G6 to G4 flooded. Water has receeded slightly but is still well above bearer at G4
3.G4 Gt. White egret 1, Swamp Harrier 1, Swans 14.
4. Swans around G5 = 46.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 7.0 9.30 0.10 8.70 75.7 2.54
3.0m 40.0 7.0
#5804 8 Jul 2011 Approved Notes: 1.AHD 3.80 12:15 AHD 3.72 08:24
2. G4 flooded upstream & directly downstream. All of Rivernook flats under water. Bridge under water
3. G5. underwater water over bank in many areas.
Water just under bridge bearer (G5)
4. Over 60 White headed Herons remain on higher ground upstream G5, other water birds have gone
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 100.0 7.3 9.30 0.10 8.80 70.5 2.50
3.0m 100.0
#5766 2 Jul 2011 Approved Notes: 1. AHD 2.21
2.Flats from G6 to between G5 &G4 still flooded
3.Water below bearer - G4, no visiable water on Rivernook or downstream
4.Huge no. waterbirds around G5
Swans 6, pair with hatchlings 3, Shellduck 50+, Woodduck 50+,Teal 100+, Blackduck 100+, Whiteheaded Herons 60+, Gt White egret 2, White eyed duck 8, Golden Headed Cisticola 1, Swamp harrier 1.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 7.0 9.70 0.10 8.50 73.9 0.28
3.4m 30.0 7.4 9.90 0.10 8.52 73.9 0.28
#5763 25 Jun 2011 Approved Notes: 1. AHD all boards under water
2. Max Depth is not accurate because of over 4m. drift even with weights
3. All flats from G6 to downstream of G4 under water
4. Water just below bridge bearer at G5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 60.0 11.20 0.10 7.78 70.3 0.23
2.0m 60.0 10.60 0.10 7.78 70.0 0.24
#5703 17 Jun 2011 Approved Notes: 1. large amount of Blackwood seeds & pods in water
2. G4 - Water below bearer - no visiable water on flats. White headed heron1
3.Flats from around G5 to G4 are draining but water remains in low areas, Aponogeton dist. flowering there.
4. Very large no. water birds
Teal, Chestnut & Grey 100++, Black duck100+, Shellduck 40+, Wood Duck 70, Swans over 50, one is nesting. White headed Herons 68, Masked plover 15, Pied Comorant 1, White Egret 1, White necked Heron 1.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 8.60 0.10 9.65 82.4 0.30
3.0m 40.0 8.30 0.20 9.48 81.4 0.32
#5669 10 Jun 2011 Approved Notes: 1. AHD 3.00
2.Princetown wetlands Swans 4, Swamp Harrier 3, large egret 1.
3.G4.Water on bearer, large log caught across nearly whole channel. Flats starting to show water cover. Large Wallaby by bridge
4.Between G4 & G5 - all flats underwater -water over bank in areas
5. G5 Turbidity <60 , D.O. mg/l top 9.12 bottom 9.02
depth 3.57.
6. Masked plover 11 on raised ground near bridge
7.Rowans Gully area - Teal, Grey & Chestnut over 100, Shellduck over 50, White Headed Herons 24.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 80.0 9.40 0.20 8.95 77.9 0.33
4.3m 80.0 9.10 0.20 8.81 76.0 0.32
#5623 3 Jun 2011 Approved Notes: 1.AHD 1.64
2. Water is below bearer at G4, no visiable water on flats
3.Flats are water logged from upstream G4 to G6.
4. Water level has reduced around G5 but flats south of the channel are underwater as are low areas on north side. Areas with recently reduced water levels areas are covered by flowering Aponegeton dist.
5. Very large no. of ducks in the wet areas
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 10.30 0.20 9.67 86.5 0.32
3.0m 30.0 9.80 0.20 9.80 85.0 0.33
#5603 27 May 2011 Approved Notes: 1. AHD 2.52
2.G4 - water just up to bearer, no visiable water
on flats
Brown Quail 3, near bridge
G5 - Flats under water from Coe's west flat to and around G5 (both sides of river)
Many waterbirds in this area
3. Water in low areas downstream G6.
4. Plenty of young fish & eels in river also a small fish with red fins (unidentified)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 7.0 11.10 0.20 8.76 79.0 0.33
3.8m 40.0 10.90 0.20 8.38 76.4 0.34
#5563 20 May 2011 Approved Notes: 1.AHD 1.60
2.Flats directly below G6 -water in & around drains
3.Very large amount of Blackwood seeds & pods on ground & in river -water very dark red brown
4.Water level at G4 - below bearer, no visiable water on flats in that area
5.Flats around G5 underwater, large nos. of Shellduck, Black duck, Teal, Wood duck, Whiteheaded Herons 4, Swans 28.
6 Aponogeton dist. flowering in drains
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 7.0 11.70 0.10 9.96 92.8 0.30
2.8m 30.0 7.0 11.10 0.20 10.03 91.3 0.33
#5526 13 May 2011 Approved Notes: 1.AHD 1.85
2.Slight turbidity discharge visiable from upstream G6
3.Water visiable on flats around drain just downstream of G6
4.Water spreading out around drains from Rowans gully to G5 & beyond. Flats on south side of river at G5 under water
5. G6 -G4 White necked heron 1, Shellduck 18+, Whiteheaded herons 6
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 7.0 10.90 0.20 9.29 84.8 0.37
3.1m 40.0 7.0 10.80 0.20 7.69 70.8 0.37
#5501 6 May 2011 Pending Notes: 1.AHD 1.07
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 12.40 0.10 8.47 79.5 0.31
2.5m 15.0 12.20 0.10 8.45 78.9 0.31
#5461 29 Apr 2011 Approved Notes: 1.AHD 0.88
2.Flat below G6 waterlogged & water in drain
3.Low areas and drains around G5 - visiable water, other areas water logged, Aponogeton dist. flowering.
4. Many waterbirds on wet areas downstream G5
( Wood duck, Swans, Black duck, Whiteheaded Herons & White necked Heron (1)
5. White headed herons 14, Blackduck 4, Small Grebes 2, Masked Plover 4 in wet area upstream G5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 7.2 12.60 0.10 8.71 83.1 0.29
2.2m 30.0 7.0 12.40 0.10 8.78 82.0 0.30
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