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  5. 18-03-2026

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B1 The Heads

18 March 2026

Observation details

Overview

Estuary Barwon River Estuary
Site The Heads
Observation ID #17491
Date and Time Wednesday 18th March 2026 09:15am
Approved Approved

Notes

Water Levels and Tides

Low tide time 16:53

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.50 61.30 54.60 8.3 87.60
Previous 19.3 38.6 7.9 85.2 55.2
Median 15.6 37.20 9.42 93.60 53.2
0.5m 18.50 61.20 54.60 8.3 87.50
Previous 18.5 38.2 7.7 82.1 54.6
Median 15.3 37.20 9.46 94.00 53.1
1.0m 18.50 61.50 54.60 8.3 87.80
Previous 19.3 38.6 7.8 84.6 55.2
Median 15.6 37.20 9.36 93.70 53.2
1.5m 18.50 61.70 54.60 8.5 88.20
Previous 18.4 38.2 7.6 81.3 54.6
Median 15.6 37.20 9.43 94.20 53.2
1.9m 18.50 61.80 54.60 8.4 88.30
Previous 18.9 38.6 7.9 84.3 55.2
Median 15.3 37.20 9.43 94.20 53.2

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 8.6
Previous 0.1 9 7.8
Median 0.1 9 7.9
Bottom 1.9 9 8.4
Previous 1.9 9 8.2
Median 2.5 9 8.0

Other details

Max depth 2.00
Previous 2.00
Median 2.60
Flow estimate N/A
Low tide time 16:53pm

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.
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