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B1 The Heads

Active Physico-Chemical 09-11-2007 - 15-05-2024

Barwon River Estuary

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227 results found (Displaying 51 - 75)
ID Date Status Details
#14357 17 Nov 2021 Approved

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 7.6 14.20 30.50 10.29 99.4 43.50
2.4m 40.0 7.9 14.40 36.20 10.20 99.4 51.70
#14332 20 Oct 2021 Approved Notes:

Water colour very brown due to run off after heavy rain earlier in the week.

White foam forming along water line.

Further sites not visited on day as Carol finished at 10.00 and Ann reluctant to test at Boat Ramp jetty occupied by many fishermen (not regulars).
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 70.0 7.5 15.60 1.30 9.34 93.7 1.81
2.2m 70.0 7.8 15.70 1.40 9.22 92.6 2.00
#14307 7 Oct 2021 Approved Notes:

Water very brown. Lots of heavy rain in the otways recently
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 110.0 6.9 15.70 2.50 7.84 79.3 3.63
3.3m 110.0 7.0 15.70 2.30 7.71 78.4 3.29
#14264 18 Aug 2021 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 12.70 39.30 11.55 108.2 56.20
3.4m 9.0 7.8 12.80 39.30 11.45 107.5 56.20
#14229 5 Aug 2021 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.9 12.30 38.80 11.41 106.2 55.50
2.9m 9.0 7.4 12.40 39.10 11.32 105.9 55.80
#14163 16 Jun 2021 Approved Notes:

 

Data sheet substituted with note paper (forgotten data sheet) - jane

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.1 12.20 19.30 9.91 93.4 27.50
1.9m 9.0 7.8 12.20 18.90 9.87 92.8 27.00
#14106 6 May 2021 Approved Notes:

Measurements made at southern end of jetty because the remote water sampler did no not sink to bottom at side of jetty.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 14.60 36.80 9.79 96.1 52.60
2.9m 9.0 7.8 14.40 36.50 9.79 95.8 52.20
#14075 21 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 7.5 13.70 38.50 9.62 93.0 55.00
2.4m 9.0 7.5 13.70 38.50 9.56 92.5 55.00
#14042 1 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 7.3 18.40 37.20 8.73 92.8 53.10
1.5m 9.0 7.7 18.40 37.10 8.67 92.1 53.00
#14015 17 Mar 2021 Approved Notes:

pH measured with dip sticks

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 0.0 8.0 18.30 38.60 8.72 92.2 55.20
1.5m 0.0 8.0 18.10 38.60 8.66 91.3 55.20
#13640 18 Mar 2020 Approved

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.5 18.00 39.00 9.32 98.7 55.70
2.7m 9.0 7.8 17.80 39.00 9.23 97.2 55.70
#13557 6 Feb 2020 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 18.80 38.90 9.80 55.60
2.7m 9.0 7.8 18.70 38.90 8.75 55.60
#13506 15 Jan 2020 Approved Notes:

Tide flowing out strongly. Dense smoke haze from bush fires.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.0 7.0 20.30 38.90 8.43 94.8 55.60
2.7m 8.0 7.9 20.30 39.00 8.48 95.0 55.70
#13480 2 Jan 2020 Approved Notes:

Hach meter was used but numbered tag was not attached, so cannot be certain that we used our usual meter ie #1, however it has been entered above as Hach1.

Due to fast outward current, all readings were recorded at south end of jetty.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.9 18.90 39.10 9.95 107.1 55.80
3.3m 9.0 7.9 18.90 39.10 9.79 105.4 55.80
#13495 18 Dec 2019 Approved

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 0.0 7.5 18.10 38.80 10.14 107.9 55.50
2.7m 0.0 7.8 17.90 38.80 55.50 107.4 55.50
#13455 5 Dec 2019 Approved Notes:

measurements taken at south end of jetty due to strong flow
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.7 15.50 39.30 10.65 108.2 56.10
3.4m 9.0 7.7 15.40 39.20 10.67 108.1 56.00
#13415 20 Nov 2019 Approved Notes:

DM - top and bottom turb 0 NTU removed
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 7.8 16.30 38.50 10.40 107.0 55.00
2.5m 7.9 16.20 38.50 10.39 106.7 55.00
#13384 7 Nov 2019 Approved Notes:

Flow estimated as slow (van dorn) and weighted rope were unaffected, although surface water was moving rapidly due to wind disturbance.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 14.20 39.10 10.90 108.3 55.80
2.8m 9.0 7.7 14.20 39.10 10.99 109.0 55.80
#13354 3 Oct 2019 Approved Notes:

Readings taken at south end of jetty due to fast flow
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.8 14.50 37.70 11.35 111.4 53.80
2.4m 9.0 7.8 14.40 37.70 11.41 111.8 53.90
#13323 18 Sep 2019 Approved

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.6 12.20 25.30 11.71 108.1 36.10
1.4m 10.0 7.6 12.30 25.10 11.61 107.6 35.80
#13307 5 Sep 2019 Approved Notes:

B1 readings taken at south end of jetty due to fast flow causing the Hach sensor to drift with the current.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.1 12.60 37.50 11.46 108.4 53.60
2.8m 9.0 8.0 12.70 37.60 11.41 108.0 53.70
#13264 21 Aug 2019 Approved

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 7.7 11.70 33.70 11.61 107.3 48.20
1.7m 20.0 7.9 11.60 33.80 11.61 107.0 48.30
#12861 17 Apr 2019 Approved Notes:

Large stingray was swimming leisurely beneath the pier.

There is no Ph 4 buffer in the kit.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.9 18.40 38.90 9.56 102.4 55.60
1.8m 9.0 7.9 18.10 39.70 9.65 102.7 56.70
#12827 4 Apr 2019 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.7 16.40 39.70 9.99 101.3 56.70
1.0m 9.0 7.7 16.50 39.60 9.97 100.8 56.60
#12776 20 Mar 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 19.70 39.10 9.51 104.6 55.90
1.0m 9.0 7.8 19.70 39.10 9.48 104.0 55.90
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