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B4 The Thunderbolt

Active Physico-Chemical 09-11-2007 - 01-04-2021

Barwon River Estuary

56 results found (Displaying 1 - 25)
Date Status Details
1 Apr 2021 Approved Notes:

Lots of floating weed and feathers. Birds nearby at the outlet of Lake Connewarre include: pelicans, black swans, pied cormorants, white faced heron, ibis, hawks, stilts.

Sampled at low tide
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.3 21.00 20.30 11.21 125.8 29.00
4.5m 9.0 7.8 19.70 20.90 10.92 119.5 29.80
4 Mar 2020 Approved Notes:

fine and sunny ,Moderate northerly wind,accompanied by a friend as scribe.

(DM - will check turbidity result 110NTU)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.5 16.80 29.90 9.72 94.2 42.70
5.0m 16.80 29.70 9.05 93.3 42.50
1 Aug 2019 Approved Notes:

MANY BIRDS AROUND ,ONE FANTASTIC SEA EAGLE, MANY SPOONBILLS,CRANES ,IBIS,CORMORANTS
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 41.0 7.4 11.30 6.40 11.07 100.0 9.20
5.5m 41.0 7.4 11.10 8.50 99.6 12.20
3 Jan 2019 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.8 23.90 26.70 8.75 104.8 38.20
5.4m 9.0 8.0 23.40 27.90 8.29 98.5 39.80
1 Nov 2018 Approved Notes:

 

At 3.5m EC would not stabilise, noting temp and DO% depth of FW/SW LEVEL

 

 

More bird life than normal, spoonbills ,yellow billed and royal, terns ,fairy and caspian,white egrets,pied and little cormorants,white faced herons, pelicans, swans,plovers,ravens, swamp harrier,and possibly a whistling kite

 

 

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 22.0 8.1 20.10 23.30 9.77 108.2 33.30
5.0m 22.0 7.8 16.80 34.90 8.22 85.6 49.80
6 Jun 2018 Approved Notes:

Sunny, day with a slight northerly wind. Water flow 2-3 knots.

Graeme saw an eel jump from the water and we both observed a seal playing in the water of the Thunderbolt.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 0.0 7.7 12.30 33.20 10.20 94.0 47.40
5.5m 0.0 7.9 11.50 33.30 9.94 90.4 47.60
5 Apr 2018 Approved Notes:
  • This monitoring is part of the Index of Estuary Condition.  The YeoKal Model 615 was used to conduct this monitoring.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.1 7.7 17.30 35.40 5.83 75.1 53.57
5.5m 5.1 7.8 17.30 35.20 5.67 73.0 53.40
14 Mar 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.9 8.1 19.30 33.40 6.68 88.5 50.98
5.6m 4.9 8.1 19.40 33.60 6.93 91.4 51.16
28 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 9NTU.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.8 8.1 19.00 30.70 6.67 86.3 47.20
5.4m 6.8 8.1 20.10 32.80 5.60 75.9 50.30
4 Jan 2018 Approved Notes:

STRONG WINDS,HIGH TIDE, 

EC readings would not stabaliseuntil 3 m reading, the first 6 readings were averages
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 8.0 21.00 33.70 8.53 97.1 48.20
4.0m 24.0 20.90 35.80 8.22 92.5 51.20
2 Nov 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 32.0 8.0 17.20 12.60 9.10 95.0 18.07
6.0m 32.0 8.2 16.90 14.50 8.80 91.3 20.66
5 Oct 2017 Approved Notes:

The river water was brown in colour and foamy in parts.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 70.0 7.9 18.00 10.50 8.29 89.4 15.00
6.5m 70.0 8.0 16.90 14.10 8.53 88.8 20.08
6 Apr 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 8.0 21.30 33.50 11.32 136.0 47.80
5.0m 14.0 8.0 20.90 33.70 11.12 133.5 48.10
5 Jan 2017 Approved Notes:

fine and sunny strong wind, no weed
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 55.0 7.0 26.20 29.00 9.05 112.8 41.40
5.4m 55.0 7.0 23.20 30.70 8.14 95.7 43.90
3 Dec 2016 Approved Notes:

WATER STILL MUD COLOUR NOT MUCH WEED

 

NB : CONDENSATION IN METER VERY HARD TO READ
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 25.0 7.0 21.40 14.30 9.34 106.4 20.45
5.0m 25.0 7.0 17.60 34.50 8.56 90.5 49.30
3 Nov 2016 Approved Notes:

water very muddy, high water level. carp carcus on the mud,

turbidiity tape measurement 51cm.49 cm
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.0 16.20 3.26 8.71 88.9 4.66
5.0m 9.0 6.5 14.40 14.77 8.68 84.9 21.10
1 Sep 2016 Approved Notes:

WHEN I MULTIPLY THE EC READINGS BY .7 I DO NOT AGREE WITH AUTO FIGURES ??

WATER VERY MUDDY COLOURED
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 6.5 13.90 5.03 9.72 94.6 7.18
5.0m 24.0 7.0 13.50 23.66 9.85 94.9 33.80
1 Sep 2016 Approved Notes:

Top and bottom samples were taken at 33.5cm and 36cm

 

Check which metre has been used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 6.5 13.90 5.03 9.72 94.6 7.18
5.0m 24.0 7.0 13.50 23.66 9.85 94.9 33.80
4 Aug 2016 Approved Notes:

Time of low tide - 10.00

 

pH was tested using both the meter and strips and came back with different results

strips top depth 5.5

bottom depth 5.5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 7.7 10.50 5.61 9.29 82.5 8.01
5.0m 50.0 7.8 10.20 6.14 9.17 80.8 8.77
4 Aug 2016 Approved Notes:

PH TEST STRIP READINGS 5.5 AND 5.5
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 7.7 10.50 9.29 82.5 8.01
5.0m 50.0 7.8 10.20 9.71 80.8 8.77
2 May 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 7.0 13.70 38.01 8.93 86.9 54.30
5.0m 14.0 7.5 13.30 38.08 9.01 86.9 54.40
4 Mar 2016 Approved Notes:

Fine and sunny.  Light wind.  Some fine weed.  Tide running out.  No Fish.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 55.0 7.0 22.30 41.30 7.32 84.6 59.00
4.5m 55.0 7.0 22.10 41.40 7.11 81.0 59.20
8 Jan 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 7.5 21.00 42.00 8.03 89.9 60.00
5.9m 14.0 7.5 18.70 42.50 6.48 69.3 60.70
4 Dec 2015 Approved Notes: Fine & sunny. Slight green tinge to water.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 27.0 7.5 19.90 34.93 8.11 88.8 49.90
5.0m 27.0 7.5 18.30 35.49 8.23 87.2 50.70
29 Oct 2015 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 22.0 7.5 18.30 27.58 7.23 84.7 39.40
5.0m 22.0 7.5 16.80 36.61 8.54 94.8 52.30
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