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  5. 29-08-2025

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A5 Culvert on Coalmine Road

29 August 2025

Observation details

Overview

Estuary Anglesea River Estuary
Site Culvert on Coalmine Road
Observation ID #17174
Date and Time Friday 29th August 2025 10:39am
Approved Approved

Notes

pH 3.1 on North side of culvert

a Low flow is evident by movement of flocculated materisl

Black sludge about 300mm deep

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 12.40 7.40 72.3 9.23
Previous 13.3 8.4 2.3 22.8 14.3
Median 16.8 8.40 8.48 95.70 26.8
0.5m 13.20 6.00 61.4 14.95
Previous 10.9 8.3 7.3 69.2 14.2
Median 16.8 8.30 8.48 95.70 26.8
1.0m 13.80 0.50 5.2 17.55
Previous 13.6 12.9 0.7 6.1 21.4
Median 15.7 12.90 6.50 72.10 26.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 3.3
Previous 0.1 9 3.5
Median 0.1 9 4.5
Bottom 1.4 3.7
Previous 1.1 9 4.7
Median 1.1 9 6.3

Other details

Max depth 1.50
Previous 1.20
Median 1.20
Flow estimate Slow

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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