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G4 Bridge at Rivernook

16 January 2026

CAUTION: This observation has not yet been reviewed by an EstuaryWatch coordinator.

Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Rivernook
Observation ID #17370
Date and Time Friday 16th January 2026 10:15am
Approved Pending

Notes

Unable to measure beyond 4 meters due to lead lenght - to be replaced

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.10 0.90 7.14 75.8 1.26 EC unstable
Previous 16.3 0.2 7.8 79.7 0.2
Median 14.1 0.30 8.48 83.00 0.3
0.5m 18.20 0.90 7.05 75.0 1.25 EC unstable
Previous 14.4 0.3 8.9 87.6 0.3
Median 14.1 0.30 8.58 83.60 0.3
1.0m 18.20 0.90 7.02 74.4 1.35 EC unstable
Previous 16.2 0.2 7.8 79.6 0.2
Median 14.1 0.30 8.42 83.00 0.3
1.5m 18.20 1.10 7.01 74.6 1.50 EC unstable
Previous 14.4 0.3 8.8 86.5 0.3
Median 14.1 0.30 8.46 83.30 0.3
2.0m 18.20 1.00 6.98 74.3 1.40 EC unstable
Previous 16.2 0.2 7.8 79.4 0.2
Median 14.2 0.30 8.40 82.60 0.3
2.5m 18.30 32.20 4.67 49.8 42.90
Previous 14.4 0.3 8.8 86.0 0.3
Median 14.2 0.30 8.44 83.10 0.3
3.0m 18.30 32.10 4.26 45.4 42.80
Previous 16.2 0.2 7.8 79.3 0.2
Median 14.5 0.30 8.16 80.20 0.3
3.5m 18.20 32.40 4.12 43.9 43.00
Previous 14.5 0.3 8.7 85.7 0.3
Median 14.5 0.30 8.16 81.30 0.4
4.0m 18.20 32.50 3.41 36.3 43.20
Previous 16.1 0.2 7.8 79.3 0.2
Median 14.7 0.30 7.70 79.20 0.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10 5.8
Previous 0.1 19 6.8
Median 0.1 11 6.8
Bottom 4.8 9 5.3
Previous 4.8 21 6.9
Median 5.0 11 6.9

Other details

Max depth 4.90
Previous 4.94
Median 5.15
Flow estimate Medium

Observation Documents

Link Date File name Description

Download 		16-01-2026 17:26 image_9.jpg

Download 		16-01-2026 17:26 IMG_9718.jpeg gp1_4

Preceding Observations

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