Skip to content
 
EstuaryWatch Data Portal
Volunteer Login

Barwon River Estuary

263 results found (Displaying 1 - 25)
Date Status Details
15 Jul 2026 Pending Notes:

No stability for EC reading.

NA readings for Bottom Sample, turbidity and pH. It is too difficult to scoop bottom layer of water without disturbing and capturing sediment from the bottom.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 26.0 8.2 10.20 8.70 103.00 89.2 12.40
0.5m 26.0 10.70 15.90 7.08 62.0 22.70
2 Jul 2026 Pending
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 8.2 11.60 2.60 9.43 87.3 3.69
0.5m 17.0 8.2 11.60 2.60 9.37 86.8 3.70
17 Jun 2026 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 24.0 8.0 13.30 7.30 10.45 98.7 10.46
0.4m 24.0 8.0 13.50 9.20 9.97 94.4 13.18
4 Jun 2026 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 7.9 10.90 30.40 9.85 90.1 43.40
0.5m 50.0 7.9 10.90 30.40 9.79 89.6 43.40
20 May 2026 Approved Notes:

The water was much clearer than in previous visits.

We retook the bottom sample to ensure that no sediment was scraped from the bottom during collection. Usually the water is too murky to see when we are close to the bottom and our method for collecting the sample does not ensure that we are not scraping sediment from the bottom. This in turn influences turbidity readings at this site. 

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 0.0 8.0 14.60 31.50 9.46 91.7 45.00
0.5m 0.0 8.0 14.50 31.50 9.36 90.7 45.00
15 Apr 2026 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.1 15.20 31.20 9.14 89.9 44.60
0.3m 9.0 15.20 31.30 9.07 89.4 44.70
8 Apr 2026 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 18.10 33.70 7.99 83.9 48.10
0.5m 9.0 8.0 18.20 33.60 8.18 86.0 48.00
18 Mar 2026 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 8.3 18.10 33.70 7.99 83.9 48.10
0.5m 11.0 8.4 18.20 33.60 8.18 86.0 48.00
5 Mar 2026 Approved Notes:

Top and bottom readings quite different.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.4 19.80 29.90 9.34 101.0 42.70
0.5m 9.0 8.5 21.10 34.80 6.51 73.5 49.70
18 Feb 2026 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 19.00 0.00 8.00 86.3
2.0m 9.0 8.0 19.00 0.00
5 Feb 2026 Approved Notes:

Large groups of pelicans and swans

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 8.1 19.70 32.90 5.01 54.3 47.00
0.5m 11.0 8.1 20.00 32.70 5.13 55.8 46.70
1 Jan 2026 Approved Notes:

Windy

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 8.3 18.00 18.60 9.10 95.2 26.60
0.5m 14.0 8.4 18.00 18.60 9.19 96.3 26.60
17 Dec 2025 Approved Notes:

oily slick on the water surface

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 18.00 18.60 9.10 95.2 26.60
0.5m 9.0 8.0 18.00 18.60 9.19 96.3 26.60
4 Dec 2025 Approved Notes:

Windy, water very disturbed 

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 52.0 8.3 19.30 6.90 7.20 78.3 9.86
0.5m 52.0 8.3 19.20 7.00 7.05 76.4 10.03
19 Nov 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 60.0 8.9 17.40 5.90 10.26 107.0 8.46
0.5m 60.0 8.8 17.30 5.90 9.88 102.7 8.50
6 Nov 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 38.0 7.9 17.20 4.40 9.98 103.2 6.29
0.5m 38.0 8.1 17.30 9.00 11.01 114.2 12.80
2 Oct 2025 Approved Notes:

Very windy, white caps

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 44.0 8.1 12.90 14.40 10.18 96.7 20.53
0.5m 44.0 8.1 12.80 14.30 10.12 96.2 20.45
4 Sep 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 25.0 8.6 12.00 11.20 10.60 98.2 16.03
0.5m 25.0 8.6 12.00 11.50 10.65 98.2 16.48
7 Aug 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 8.5 12.20 19.30 10.07 91.7 27.50
0.5m 19.0 8.4 12.20 19.30 10.01 91.1 27.60
3 Jul 2025 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 11.80 25.70 10.57 96.1 36.70
0.5m 9.0 8.4 11.70 26.30 10.00 91.5 37.60
5 Jun 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.5 10.50 33.90 10.49 92.8 48.50
0.5m 9.0 8.5 10.50 35.30 10.58 95.4 50.40
21 May 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.0 12.90 0.00 10.98 102.0
0.4m 9.0 8.0 13.20 0.00 11.60 108.1
1 May 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 8.1 15.90 31.20 8.97 88.5 44.50
0.5m 10.0 8.2 16.20 33.20 10.00 100.3 47.40
16 Apr 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.0 8.1 20.50 32.90 9.61 105.6 47.00
0.4m 12.0 8.2 20.60 34.70 9.83 108.2 49.60
6 Mar 2025 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 8.5 20.60 34.90 7.31 80.1 49.90
0.5m 9.0 8.4 20.90 35.00 6.64 73.2 50.00