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Po2 Site two (Mouth of Powlett Road Bridge)

Active Physico-Chemical 13-03-2010 - 25-10-2024

Powlett River Estuary

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237 results found (Displaying 1 - 50)
ID Date Status Details
#16526 25 Oct 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 29.5 7.1 18.40 1.70 7.81 83.2 3.14
4.0m 29.5 8.1 15.00 36.00 6.24 76.5 54.33
#16525 15 Oct 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 32.8 7.9 17.20 7.40 8.76 94.3 12.72
3.7m 32.8 7.7 13.90 34.10 2.77 32.9 51.76
#16491 26 Sep 2024 Approved Notes:

Estuary still draining
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.3 7.4 12.70 2.30 6.08 58.0 4.22
4.2m 20.3 7.1 0.00 33.60 0.55 6.3 51.11
#16490 25 Sep 2024 Approved Notes:

After artificial opening

Water temperature probe was working but did not store on meter so the Mouth of Powlett telemetered meter was used to obtain two water temp measurements
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.1 7.4 16.60 3.10 5.72 57.8 5.67
4.0m 21.1 7.1 0.00 32.70 0.66 7.7 49.89
#16489 24 Sep 2024 Approved Notes:

Temperature sensor was working but did not store. Temperature measurements taken from Mouth of Powlett telemeter gauge.

DO at 1.8 was 5.76mg/L

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.9 7.5 12.90 4.10 7.37 71.6 7.34
5.2m 18.9 7.3 0.00 34.80 0.29 3.4 52.79
#16484 23 Sep 2024 Approved Notes:

Temperature probe was functioning but did not record so no temperature measurements in this observation. Used data from monitoring station to obtain top and bottom measurements
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 0.5 7.6 14.40 14.10 6.72 72.2 23.21
4.8m 0.5 7.3 0.00 34.70 0.17 1.9 52.64
#16459 20 Sep 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 0.0 7.6 12.70 14.90 7.93 82.6 24.36
5.1m 0.0 7.4 12.10 34.90 0.19 2.3 52.95
#16458 18 Sep 2024 Approved Notes:

DO 3.81mg/L at 1.8m depth
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 0.5 7.5 11.30 12.60 7.03 69.6 21.00
4.7m 0.5 7.5 11.90 35.00 0.35 4.0 53.10
#16444 16 Sep 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 1.9 7.6 11.60 13.60 7.76 76.6 22.50
4.9m 1.9 7.5 11.90 34.80 0.28 3.2 52.78
#16421 9 Sep 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 0.9 7.6 13.30 20.40 7.35 79.6 32.55
4.5m 0.9 7.6 11.50 34.90 2.93 33.4 53.02
#16353 8 Aug 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.8 7.9 11.10 18.20 7.40 74.9 29.40
4.0m 19.8 8.1 12.50 34.80 5.24 60.8 52.80
#16243 30 Apr 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.9 7.9 12.40 11.20 7.70 76.0 18.71
3.5m 8.9 8.1 15.90 36.10 6.17 76.5 54.47
#16100 27 Mar 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.4 19.20 32.00 7.42 95.9 48.45
3.7m 5.4 17.80 32.30 5.43 68.5 49.21
#16004 8 Feb 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.9 7.9 20.10 30.70 4.66 60.8 47.05
3.3m 6.9 8.1 19.60 36.40 4.46 69.6 54.77
#15972 16 Jan 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.2 24.20 24.90 6.90 95.2 39.15
3.0m 10.2 16.60 36.40 7.12 91.3 54.86
#15971 18 Dec 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.9 20.50 17.00 7.79 96.0 27.59
3.2m 6.9 17.90 36.10 6.52 85.6 54.35
#15858 16 Nov 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.5 8.2 18.10 20.90 10.91 130.7 33.31
3.5m 8.5 8.2 16.30 36.40 7.41 93.9 54.81
#15799 15 Sep 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 48.4 7.1 16.20 0.60 7.60 77.0 1.12
3.5m 48.4 8.1 14.30 29.70 7.20 84.1 45.76
#15727 31 Aug 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.7 7.7 11.90 1.40 7.92 73.8 2.65
3.5m 30.7 8.1 12.90 33.30 6.79 78.9 50.77
#15686 26 Jul 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 41.8 7.6 10.50 2.40 10.91 97.3 4.40
3.5m 41.8 8.1 12.50 36.10 8.04 92.7 54.61
#15574 14 Jun 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 49.4 7.1 10.80 1.60 10.05 91.9 3.00
4.0m 49.4 8.3 13.60 36.60 7.86 95.2 55.20
#15551 30 May 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 42.1 7.0 12.50 0.90 8.97 84.4 1.84
4.0m 42.1 7.9 14.40 35.00 3.56 43.1 52.93
#15483 19 Apr 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.5 8.3 17.00 35.30 8.07 102.6 53.34
4.0m 9.5 8.2 16.90 37.80 6.43 82.8 56.82
#15338 8 Mar 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 7.8 8.1 17.40 35.60 6.66 86.8 53.73
4.0m 7.8 8.3 17.20 40.00 5.99 79.7 59.60
#15304 21 Feb 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.3 8.0 21.50 34.30 6.99 95.4 51.99
3.5m 4.3 8.3 20.30 37.90 6.51 88.7 56.87
#15231 17 Jan 2023 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.4 8.1 21.40 31.70 7.20 99.1 48.49
3.5m 5.4 8.3 18.50 37.10 6.09 83.7 55.72
#15117 10 Nov 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.5 7.1 23.20 3.30 6.95 82.9 6.11
4.0m 15.5 8.1 16.60 34.60 7.89 99.8 52.58
#15059 5 Oct 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.2 7.9 12.60 26.20 10.75 118.9 41.00
3.0m 12.2 8.2 12.70 35.90 10.15 119.3 54.27
#15031 19 Sep 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 193.2 7.2 12.20 0.40 9.28 86.5
3.5m 193.2 7.4 11.90 0.70 9.54 89.5
#14999 7 Sep 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 35.6 7.1 11.30 1.90 9.77 90.1 3.49
3.8m 35.6 8.3 12.00 33.90 7.70 88.3 51.58
#14971 24 Aug 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 80.7 7.1 10.00 0.30 7.27 64.5 0.52
4.0m 80.7 7.1 10.00 0.30 6.82 60.5 0.53
#14947 16 Aug 2022 Approved Notes:

After a peak of 8800ML/day of river flow at Foster/Powlett confluence, all salt/brackish water has been flushed out of the estuary. Water flowing very fast and is very turbid.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 187.2 7.0 11.00 0.20 7.19 65.1 0.33
4.7m 187.2 6.9 11.00 0.20 7.44 67.4 0.33
#14929 27 Jul 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.6 7.2 9.70 0.90 8.63 76.2 1.67
3.7m 40.6 8.0 11.90 31.90 6.86 77.4 48.81
#14883 13 Jul 2022 Approved Notes:

Lots of wind waves. Erratic readings at 1m depth, potentially indicating some wind mixing? 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 28.0 7.4 8.90 0.90 10.85 93.9 1.67
4.2m 28.0 8.1 12.70 34.20 5.60 65.2 52.00
#14855 23 Jun 2022 Approved Notes:

Depth meter faulty, will need to tape 0.5m increments 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 35.9 7.2 11.60 1.40 5.80 53.7 2.56
3.5m 35.9 8.1 13.50 33.70 4.66 55.0 51.31
#14745 14 Jun 2022 Approved Notes:

Horiba meter used. Estuary has been completely flushed out with freshwater following a peak of 1715 ML/day which occurred on June 9 and a secondary peak of 1400 ML/day which occurred on June 11.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 46.9 11.30 0.40 8.04 73.7 0.86
3.8m 46.9 11.30 0.50 7.52 68.8 0.93
#14729 10 Jun 2022 Approved Notes:

Water column still flowing strongly but not as fast as this morning
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 60.7 11.40 1.00 8.89 81.8 1.99
3.9m 60.7 11.50 2.00 7.69 71.4 3.82
#14727 10 Jun 2022 Approved Notes:

14 hours since artificial opening. Water velocity slower than last measurement.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 66.8 10.80 1.60 8.54 77.8 3.07
3.9m 66.8 10.80 1.80 8.85 80.8 3.55
#14726 10 Jun 2022 Approved Notes:

Horiba meter used. Approximately 9 hours after opening. Water flowing so fast that I had to tie a weight to the meter. Meter was getting dragged so much by water flow that it could not reach the bottom due to being at an angle.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 93.1 10.80 1.90 8.99 82.1 3.72
3.5m 93.1 10.80 2.30 8.04 73.6 4.36
#14725 9 Jun 2022 Approved Notes:

Lots of wind waves. Before artificial opening this evening. Horiba meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.7 10.60 9.30 8.98 85.7 16.20
5.2m 30.7 14.70 27.70 0.00 0.0 43.50
#14723 8 Jun 2022 Approved Notes:

Horiba Meter Used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.0 9.70 14.70 9.59 92.8 24.70
5.2m 8.0 15.20 28.20 0.00 0.0 44.10
#14717 6 Jun 2022 Approved Notes:

Horiba meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.6 11.00 19.00 8.12 83.0 31.10
4.8m 6.6 15.10 28.10 0.13 1.5 44.10
#14707 2 Jun 2022 Approved Notes:

Horiba meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.5 12.20 19.50 7.60 80.5 32.00
4.7m 3.5 15.10 28.60 0.00 0.0 44.80
#14698 25 May 2022 Approved Notes:

Horiba meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.0 11.10 12.40 10.50 103.3 21.00
4.8m 4.0 15.70 29.50 1.00 12.0 45.90
#14662 12 May 2022 Approved Notes:

Lots of birds in the floodplain. Some fish jumping up every now and then.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 7.1 14.50 7.10 5.80 59.3 12.50
4.7m 7.1 16.80 30.00 0.32 3.9 46.60
#14660 9 May 2022 Approved Notes:

Horiba meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.0 16.70 18.10 6.50 74.5 29.50
4.8m 5.0 17.00 30.40 0.90 11.1 47.10
#14649 2 May 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.1 7.2 16.20 28.10 5.62 67.8 43.60
4.5m 5.1 7.1 16.90 31.20 1.23 15.3 47.98
#14610 20 Apr 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.2 7.3 17.70 30.10 5.07 63.7 46.38
4.3m 3.2 7.6 16.00 30.70 4.68 57.0 47.23
#14599 14 Apr 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.5 7.4 17.40 30.60 5.40 67.7 47.14
4.0m 5.5 7.5 17.20 30.80 4.77 59.6 47.32
#14570 31 Mar 2022 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.0 7.2 18.30 29.90 5.70 72.4 46.09
4.6m 3.0 7.3 19.10 32.90 2.98 39.1 50.27
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