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  5. 21-10-2026

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A5 Culvert on Coalmine Road

21 October 2026

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

Observation details

Overview

Estuary Anglesea River Estuary
Site Culvert on Coalmine Road
Observation ID #17754
Date and Time Wednesday 21st October 2026 10:00am
Approved Pending

Notes

Depth 1.6m to bottom,  Approx 0.4m black sludge

Profuse algae (surface) upstream of Coalmine road.

pH upstream of culvert 3.3-3.4

No flow observable, but actually present at waterfall

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 18.10 7.59 82.0 6.50
Previous 13.0 8.5 7.5 67.2 6.2
Median 15.8 8.40 8.44 94.40 18.1
0.5m 18.10 7.95 87.2 6.54
Previous 12.2 8.4 6.7 63.3 8.8
Median 16.2 8.40 8.44 94.40 18.1
1.0m 17.10 4.97 52.8 7.27
Previous 13.9 11.2 9.8 98.1 9.1
Median 15.7 11.20 7.32 73.60 19.1
1.2m 15.90 4.10 43.2 6.41
Previous 12.4 12.9 7.5 70.2 9.3
Median 15.7 12.90 7.25 72.10 19.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 3.4
Previous 0.1 9 3.3
Median 0.1 9 4.1
Bottom 1.5 9 3.3
Previous 1.3 9 3.4
Median 1.2 9 4.5

Other details

Max depth 1.60
Previous 1.30
Median 1.30
Flow estimate Pool

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
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