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G5 Coxon's Bridge

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

Gellibrand River Estuary

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229 results found (Displaying 1 - 50)
ID Date Status Details
#16125 15 Mar 2024 Pending
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.6 18.30 0.20 6.35 72.2 0.29
1.5m 9.0 7.1 17.90 0.20 6.28 70.7 0.29
#16037 16 Feb 2024 Pending Notes:

Sandi Stannard present

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.6 17.30 0.20 7.31 80.7 0.28
1.4m 9.0 6.9 17.30 0.20 7.15 79.0 0.28
#16033 19 Jan 2024 Pending
gp1_1
gp1_1
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.1 18.20 0.20 7.20 81.0 0.27
1.8m 9.0 6.4 18.40 0.20 7.10 80.0 0.27
#15951 22 Dec 2023 Pending Notes:

Not as many water birds around as previously
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 17.40 0.20 8.26 91.9 0.28
1.4m 9.0 6.7 17.30 0.20 8.22 91.1 0.28
#15866 17 Nov 2023 Pending
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.3 15.40 0.20 8.67 92.5 0.29
1.7m 10.0 7.0 15.00 0.20 8.71 91.8 0.29
#15817 20 Oct 2023 Approved Notes:

River flats still quite full

Large numbers of ducks and other waterfowl. White-necked heron spotted.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 7.1 13.80 0.20 9.41 96.8 0.28
2.0m 24.0 7.1 13.50 0.20 9.42 96.4 0.28
#15747 15 Sep 2023 Approved Notes:

River flats still full
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 6.7 12.50 0.20 9.99 99.9 0.30
2.4m 24.0 6.9 12.10 0.20 10.04 93.9 0.30
#15721 25 Aug 2023 Approved Notes:

River flats full++
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 6.8 11.40 0.20 10.12 98.4 0.29
3.0m 27.0 6.9 11.10 0.20 10.14 97.6 0.29
#15670 21 Jul 2023 Approved Notes:

River flats full

Old Ocean Road has many holes, corrugations and cracks due to water flows across it.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 23.0 6.9 9.00 0.20 10.70 97.5 0.29
2.8m 23.0 6.9 8.90 0.20 10.62 96.6 0.29
#15578 16 Jun 2023 Approved Notes:

River flats full

Lots of birdlife
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 53.0 7.0 11.10 0.20 9.84 94.7 0.31
3.1m 53.0 6.9 10.90 0.20 9.76 93.5 0.32
#15532 19 May 2023 Approved Notes:

Plenty of water in flats.

Lots of waterfowl-swamp-hens, black swans
G5_Coxons_19th_May_2023.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.3 10.60 0.20 10.43 99.5 0.30
1.8m 10.0 7.2 10.30 0.20 10.47 98.8 0.30
#15488 21 Apr 2023 Approved Notes:

River flats contain water. Many swans and ither water fowl.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 6.8 14.20 0.20 9.10 94.0 0.30
2.0m 15.0 6.8 14.00 0.20 9.05 93.4 0.30
#15370 24 Mar 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 16.30 0.20 8.09 87.5 0.27
1.3m 9.0 7.0 16.30 0.20 8.00 86.6 0.27
#15284 10 Feb 2023 Approved Notes:

Good birdlife-black swans+++

Cattle grazing close to river

Water still present in flats
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 6.9 17.70 0.20 7.63 85.5 0.29
1.4m 12.0 7.1 17.40 0.20 7.61 84.6 0.29
#15254 21 Jan 2023 Approved Notes:

Residual water in flats
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.2 17.50 0.20 7.51 83.9 0.27
1.3m 10.0 7.0 17.50 0.20 7.43 82.8 0.27
#15180 16 Dec 2022 Approved Notes:

Water on flood plains

Some drag on cable
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 6.9 14.20 0.20 9.17 95.1 0.28
2.6m 24.0 7.0 14.00 0.20 9.14 94.2 0.28
#15139 18 Nov 2022 Approved Notes:

River flats full of water

Extensive Cape Pond Weed in flats
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 6.9 14.10 0.20 9.06 93.8 0.26
2.7m 21.0 6.9 14.00 0.20 9.03 93.0 0.26
#15085 21 Oct 2022 Approved Notes:

River flats full of water

Weights attached to probe rope, still a strong drag on probe.
G5_Coxons_21st_Oct.2022_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 6.3 14.80 0.20 7.39 77.7 0.23
3.2m 40.0 6.6 14.50 0.20 7.38 76.9 0.23
#15024 16 Sep 2022 Approved Notes:

Much water in river flats with white flowering plants
G5_Coxon_039_s_16thSept._2022_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 6.0 11.40 0.20 9.99 97.3 0.29
2.8m 21.0 6.7 10.80 0.20 10.13 97.0 0.29
#14956 19 Aug 2022 Approved Notes:

Valley is wet. Water over floodplains. River banks are still exposed.

Unable to collect bottom sample as flow is very strong.

Hach HQ40d meter used.
G5_Coxons_pdf.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 60.0 6.5 11.10 0.20 8.54 82.3 0.23
3.4m 60.0 10.90 0.20 8.47 81.1 0.23
#14907 22 Jul 2022 Approved Notes:

River flats full

pH meter could not be calibrated,showed Err4 sensor needs replacing
EW_22nd_July_2022_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 7.70 10.76 90.4 0.28
3.0m 27.0 7.60 10.65 89.1 0.28
#14692 19 May 2022 Approved Notes:

River flats full of water
G5_19th_May_2022_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.4 11.90 8.97 83.3 0.33
2.0m 9.0 6.6 11.80 8.88 82.2 0.33
#14630 22 Apr 2022 Approved
G5_22nd_April_2022_.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.4 14.00 8.52 83.0 0.26
1.7m 9.0 7.3 14.10 8.28 80.5 0.27
#14613 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 7.2 18.40 7.03 75.1 0.27
1.1m 9.0 7.1 18.50 6.98 74.5 0.27
#14419 17 Dec 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 6.9 17.00 7.92 82.1 0.25
1.3m 13.0 6.9 16.90 7.83 80.9 0.25
#14361 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 6.4 13.50 9.00 86.8 0.24
2.5m 21.0 6.5 13.50 8.89 85.3 0.24
#14288 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 10.50 9.64 86.6 0.29
2.3m 14.0 10.40 9.52 85.3 0.29
#14260 20 Aug 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 11.00 9.60 87.0 0.27
3.0m 24.0 11.00 9.52 86.3 0.27
#14173 18 Jun 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 23.0 6.1 10.40 8.91 79.6 0.27
3.0m 23.0 6.5 10.30 8.86 79.0 0.27
#14137 21 May 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 16.0 6.4 10.50 9.33 83.8 0.25
2.8m 16.0 6.4 10.50 9.24 82.8 0.25
#14066 16 Apr 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 13.20 8.72 83.4 0.25
1.8m 9.0 6.5 13.10 8.63 82.2 0.25
#14032 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 6.7 17.50 7.00 73.1 0.26
1.5m 9.0 6.7 17.40 6.93 72.5 0.26
#13646 20 Mar 2020 Approved Notes:

Water on flats from downstream Coxon's access - no water up stream

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.1 16.10 0.10 6.14 62.6 0.26
2.2m 9.0 7.1 16.10 0.10 5.80 60.8 0.26
#13582 21 Feb 2020 Approved Notes:

S.E. wind 2-3

Spring on side of OOR between G6 & G5 running & drain filled with red sediment  =    pH 5.8

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.1 17.20 0.10 6.26 65.0 0.26
1.4m 9.0 6.8 17.20 0.10 5.99 62.4 0.26
#13511 17 Jan 2020 Approved Notes:

AHD unreadable
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.0 18.00 0.10 5.70 63.1 0.25
1.6m 9.0 7.0 18.10 0.10 5.80 61.6 0.25
#13461 20 Dec 2019 Approved Notes:

AHD board @ G6 heavily coated with silt -unreadable

Strong north east wind
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 7.1 18.40 0.10 7.76 83.0 0.26
1.5m 17.0 6.6 18.40 0.10 7.53 80.0 0.26
#13426 22 Nov 2019 Approved Notes:

AHD G6 1.55 @ 08:30

Flats around G5 have water cover in low areas, also Rowans Gully where the water has more extensive cover
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 6.6 15.10 0.10 8.50 84.6 0.26
2.1m 19.0 6.7 15.10 0.10 8.40 83.6 0.26
#13365 18 Oct 2019 Approved Notes:

AHD G6  1.64 @ 08:30

Flow rate difficult to establish because of strong wind driven waves going upstream         but some probe drift downstream

Flats have nearly drained but water remaining in very low areas & drains where Cape pondweed is flowering prolifically
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 7.1 12.80 0.10 8.52 80.8 0.31
2.1m 13.0 6.8 12.80 0.10 8.37 79.2 0.31
#13333 20 Sep 2019 Approved Notes:

AHD @ G6 about 2.20

Flats around G5 & upstream still have extensive water cover. Cape pond weed flowering prolifically around G5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 6.6 10.80 0.10 10.80 97.0 0.29
2.7m 17.0 6.8 10.70 0.10 9.69 87.5 0.29
#13296 31 Aug 2019 Pending Notes:

AHD G6 2.73 @ 08:00

Water level high with fast flow down channel - 4 weights needed on rope

Turbidity & pH not taken at bottom depth because of fast flow

All flats both downstream & upstream to G6 still have extensive water coverage, Cape pond weed flowering prolifically around G5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 6.6 9.50 0.10 9.96 88.2 0.28
3.2m 20.0 9.40 0.10 9.90 88.2 0.28
#13162 21 Jun 2019 Approved Notes:

AHD G6  2.28 @ 08:30

Bottom turbidity not sampled because of fast flow

Cape pond weed prolific in flood water covering flats around G5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 6.5 8.70 0.20 8.99 77.5 0.38
2.6m 17.0 8.80 0.20 8.85 76.2 0.38
#13073 17 May 2019 Approved Notes:

AHD G6 about 0.98 @ 08:33 (board not yet cleaned)

River low level

Farmers maintaining  flats (drains) for winter

Black swans on flats

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.3 11.50 0.10 8.36 77.3 0.29
1.5m 10.0 6.3 11.60 0.10 8.11 75.2 0.29
#12856 19 Apr 2019 Approved Notes:

AHD board @ G6 covered with silt & unreadable

Water level low. Large school of fish observed in river near bridge.                            Water looked dirty but turbidity very low
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 14.10 0.10 7.03 68.4 0.38
1.4m 9.0 6.6 14.10 0.10 6.71 55.2 0.28
#12845 11 Apr 2019 Approved Notes:

AHD G6 1.25
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.00 0.10 6.82 66.2 0.28
1.9m 13.90 0.10 6.75 65.4 0.28
#12808 2 Apr 2019 Approved Notes:

AHD @ G6  0.88 @ 13:43 estimate only as AHD board is covered with silt
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.00 0.10 8.52 84.5 0.29
1.4m 14.60 0.10 8.49 83.8 0.29
#12807 1 Apr 2019 Approved Notes:

AHD G6  1.42 @ 17:55
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.50 0.10 7.04 69.0 0.29
1.9m 14.50 0.10 6.97 68.4 0.29
#12803 28 Mar 2019 Approved Notes:

AHD G6 1.64

Large amount of algae on stream side veg
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 16.20 0.10 5.51 56.1 0.23
2.4m 16.00 0.10 5.33 54.2 0.28
#12781 22 Mar 2019 Approved Notes:

AHD G6  1.52
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.6 6.9 18.40 0.10 5.95 63.3 0.27
2.2m 3.6 6.9 18.10 0.10 5.57 59.0 0.27
#12772 19 Mar 2019 Approved Notes:

AHD G6 1.48  @ 10:30

High vegetation on flats makes assessment of flood level impossible but extensive water cover on flats around G5

Koala at roadside (OOR) not far from G6
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.20 0.10 6.59 68.4 0.26
2.2m 16.70 0.10 6.31 65.1 0.26
#12750 6 Mar 2019 Approved Notes:

AHD G6 1.45 @10:30

9ml rain over night

Wind turbulence made flow estimate impossible
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.10 0.10 5.61 60.6 0.27
2.2m 19.10 0.10 5.31 57.3 0.26
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