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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 31 - 40)
ID Date Status Details
#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
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