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Po2 Site two (Mouth of Powlett Road Bridge)

Active Physico-Chemical 13-03-2010 - 20-08-2025

Powlett River Estuary

252 results found (Displaying 1 - 25)
Date Status Details
20 Aug 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.2 7.6 9.40 1.90 12.94 112.2 3.66
4.0m 18.2 8.0 12.60 34.30 7.51 86.1 52.18
3 Aug 2025 Approved Notes:

Flows made it difficult to measure depth profiles so depths may be out by 10-20cm and max depth may be 50cm out.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 16.1 7.7 10.10 9.70 12.32 115.0 16.42
5.0m 16.1 7.7 12.00 21.30 0.95 10.0 33.89
1 Aug 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.5 7.7 11.50 3.60 10.61 98.7 6.59
3.9m 18.5 7.7 12.00 23.70 0.91 9.7 37.42
29 Jul 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.0 8.4 10.40 13.20 10.90 105.9 21.82
4.8m 6.0 7.4 11.80 30.60 0.90 10.1 47.03
22 Jul 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.2 9.80 12.02 120.0 16.72
5.0m 7.6 11.80 0.82 9.3 47.44
14 Jul 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.8 8.0 10.10 21.00 8.05 81.5 33.52
4.4m 3.8 7.5 11.30 31.70 1.23 13.8 47.89
9 Jul 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.3 7.8 10.10 20.50 9.60 98.3 32.76
4.5m 3.3 7.6 11.30 31.60 1.98 22.4 48.45
2 Jul 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.5 8.0 10.80 17.50 8.65 87.0 28.33
4.7m 10.5 7.8 11.10 31.80 2.82 31.2 48.81
24 Jun 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.1 7.9 11.50 28.80 8.09 90.6 44.57
4.3m 3.1 7.6 11.80 31.90 2.83 32.5 48.93
18 Jun 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.6 7.5 10.00 29.20 7.57 79.9 45.31
4.5m 2.6 7.7 11.50 32.40 3.32 36.9 49.62
4 Jun 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 3.8 7.9 11.20 32.60 8.35 92.5 49.94
4.5m 3.8 8.0 11.40 33.10 7.01 78.4 50.50
16 May 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 4.6 7.8 14.20 33.40 6.49 77.3 50.83
4.5m 4.6 7.8 14.30 34.10 2.93 35.2 51.82
11 Apr 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 26.0 8.0 17.60 32.90 6.38 80.4 50.02
4.5m 26.0 7.9 16.10 35.40 3.75 46.6 53.44
11 Feb 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.5 7.9 20.90 26.40 8.10 105.8 41.05
4.3m 5.5 8.0 20.70 27.70 6.44 84.4 42.92
23 Jan 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 8.5 7.8 22.30 25.70 6.75 90.4 40.20
4.3m 8.5 7.9 21.20 27.20 5.76 76.4 42.28
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
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
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
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
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
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
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
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
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
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
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