Skip to content
 
EstuaryWatch Data Portal
Volunteer Login
  1. Find My WaterWay
  2. Estuaries
  3. Hopkins River Estuary
  4. H3 Site three (Mahoneys Road)
  5. Observations

H3 Site three (Mahoneys Road)

Active Physico-Chemical

Hopkins River Estuary

175 results found (Displaying 1 - 25)
Date Status Details
17 May 2025 Pending Notes:

Assisted by Fiona
img20250517_16532497.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.5 8.2 14.60 8.50 9.41 96.5 14.58
2.0m 10.5 8.1 14.60 8.60 9.26 95.2 14.63
12 Apr 2025 Pending
img20250413_10064014.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.2 18.60 8.50 10.48 116.7 14.60
1.5m 9.0 8.2 18.60 8.50 10.63 118.2 14.61
21 Mar 2025 Pending
img20250323_12172248.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.2 20.70 8.90 7.75 90.2 15.31
2.0m 9.0 8.3 20.70 9.00 7.12 82.9 15.32
21 Feb 2025 Pending
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.3 21.30 9.60 8.52 101.5 16.33
2.0m 9.0 8.2 20.10 9.60 7.98 93.2 16.36
17 Jan 2025 Approved Notes:

Assisted by Fiona

Strong SE wind
img20250117_19411879.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 8.1 24.00 9.80 7.70 96.0 16.61
2.0m 11.0 8.1 24.00 9.80 7.23 90.0 16.62
13 Dec 2024 Approved Notes:

Assisted by Fiona and Michelle
img20241214_16210378.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.2 23.20 10.30 8.23 102.6 17.54
1.3m 9.0 8.2 23.20 10.40 8.05 100.0 17.62
15 Nov 2024 Approved Notes:

Assisted by Fiona
img20241116_12233178.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.3 20.70 9.60 8.77 102.3 16.31
1.7m 9.0 8.3 20.40 9.70 8.59 100.5 16.51
21 Oct 2024 Approved Notes:

Assisted by Neil
img20241022_12284734.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.6 21.50 8.60 9.34 110.6 14.69
1.0m 9.0 8.6 20.60 8.90 10.14 118.4 15.16
21 Sep 2024 Approved

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 13.60 11.10 9.88 102.3 18.58
1.5m 9.0 8.4 13.60 11.20 10.00 103.6 18.82
17 Aug 2024 Approved Notes:

Unable to obtain bottom sample as collection device broken.

Assisted by Fiona.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.9 15.30 7.00 10.37 108.6 12.27
1.5m 9.0 15.70 14.70 10.95 120.7 24.08
21 Jul 2024 Approved Notes:

Assisted by Fiona

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 11.60 8.80 10.47 101.0 15.14
1.5m 9.0 8.2 11.90 18.60 8.57 88.7 30.61
22 Jun 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 11.60 6.70 11.32 106.1 11.73
1.3m 9.0 8.4 12.80 10.00 7.37 73.6 17.21
25 May 2024 Approved

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.3 13.70 7.00 10.36 102.6 12.17
1.3m 9.0 8.3 14.60 10.10 8.67 88.1 17.17
20 Apr 2024 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.0 16.20 11.60 8.97 97.2 21.50
1.0m 9.0 7.0 16.30 13.10 8.63 93.3 21.69
15 Mar 2024 Approved Notes:

Assisted by Harriet

Very old pH strips used as sensor on pH meter failed

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 7.9 21.30 19.50 7.14 89.8 31.24
1.5m 15.0 8.0 21.00 19.60 6.61 82.8 31.45
16 Feb 2024 Approved Notes:

Assisted by Fiona, and Emily, Harriette and Teddy

 

Great results again, nice work!  J.Obst

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 7.0 23.60 20.10 8.05 105.0 32.28
1.0m 12.0 7.0 23.50 20.50 7.97 104.6 32.72
19 Jan 2024 Approved Notes:

Excellent results, great work!!  J.Obst.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 22.50 15.10 8.87 111.5 24.72
1.2m 9.0 8.3 21.50 18.40 8.41 104.9 29.55
15 Dec 2023 Approved Notes:

assisted by Fiona
img20231217_15293870.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.5 8.1 21.30 19.90 7.87 100.3 31.77
1.3m 14.5 8.0 21.40 20.00 7.95 101.3 31.97
17 Nov 2023 Approved Notes:

Assisted by Fiona. Emily and Harriette
img20231119_16492285.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 20.40 13.30 9.50 114.3 21.90
0.8m 9.0 8.5 20.20 13.70 9.80 117.5 22.70
20 Oct 2023 Approved Notes:

Very  high D.O. reading noted, thanks.  Will see how next month goes, but it looks like the calibration worked fine, so maybe a dense pocket of algal??  Happy to check the meter as well in November readings stay this high.  Thanks Jarred.
img20231022_12225294.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 8.2 23.40 7.00 16.54 204.0 12.33
0.7m 24.0 8.3 19.50 22.30 11.22 138.6 35.07
16 Sep 2023 Approved Notes:

Very windy and choppy

 

Assisted by Fiona, Emily and Harriette
img20230917_09271955.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 8.9 16.30 18.40 11.38 129.2 29.62
1.0m 14.0 8.8 15.60 19.30 10.80 121.4 31.20
20 Aug 2023 Approved Notes:

DO would not calibrate today, Gilly assisted sampling
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 8.7 13.50 2.50 12.28 119.6 4.70
1.0m 19.0 8.0 13.30 3.10 9.31 86.3 5.70
14 Jul 2023 Approved
hp1_3
hp1_3
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 8.0 11.20 1.50 10.90 100.2 2.94
1.2m 30.0 8.1 11.20 1.60 10.34 95.0 2.97
17 Jun 2023 Approved Notes:

Very windy
img20230617_15443436.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 8.0 11.30 4.10 9.87 93.2 7.44
1.7m 12.0 7.4 13.80 26.00 1.55 17.6 39.91
20 May 2023 Approved
img20230520_16560097.pdf
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 8.4 12.90 8.10 11.82 117.5 13.99
1.3m 11.0 8.0 15.80 32.10 6.30 77.2 48.87
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
Creative Commons CC BY All content, files, data and images provided by the EstuaryWatch Data Portal subject to a Creative Commons Attribution License Data portal by CeRDI