Skip to content
 
EstuaryWatch Data Portal
Volunteer Login
  1. Find My WaterWay
  2. Estuaries
  3. Barwon River Estuary
  4. Observations
  5. 21-01-2026

Back to list of observations

B1 The Heads

21 January 2026

Observation details

Overview

Estuary Barwon River Estuary
Site The Heads
Observation ID #17410
Date and Time Wednesday 21st January 2026 10:12am
Approved Approved

Notes

Water Levels and Tides

Low tide time 08:38

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.00 38.00 8.34 88.2 54.30
Previous 17.9 38.4 9.5 98.9 54.8
Median 15.2 37.20 9.47 94.40 53.1
0.5m 18.00 38.00 8.39 88.4 54.30
Previous 17.3 36.7 9.3 95.4 52.4
Median 15.1 37.00 9.48 94.40 52.9
1.0m 18.00 38.10 8.37 88.1 54.40
Previous 17.9 38.4 8.5 99.0 54.8
Median 15.2 37.20 9.45 95.00 53.1
1.5m 18.00 38.10 8.38 88.3 54.40
Previous 17.3 37.1 9.3 95.9 53.0
Median 15.2 37.20 9.46 95.00 53.1
1.9m 18.00 38.10 8.37 88.1 54.40
Previous 16.7 36.9 9.4 97.1 52.7
Median 15.1 37.20 9.46 94.20 53.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 8.0
Previous 0.1 9 7.9
Median 0.1 9 7.9
Bottom 1.9 9 7.5
Previous 2.7 9 8.2
Median 2.5 9 8.0

Other details

Max depth 2.00
Previous 2.80
Median 2.60
Flow estimate Medium
Low tide time 08:38am

Observation Documents

Link Date File name Description

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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