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  5. 05-09-2025

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A5 Culvert on Coalmine Road

5 September 2025

Observation details

Overview

Estuary Anglesea River Estuary
Site Culvert on Coalmine Road
Observation ID #17191
Date and Time Friday 5th September 2025 14:20pm
Approved Approved

Notes

  • Upstream of Coalmine road, the surface pH was 3.21 and the EC was 7.4 mS/cm.
  • Monitoring conducted by Corangamite CMA staff.  ProQuatro Multiparameter Meter was used. 

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 14.10 7.90 6.93 70.5 13.60 pH=3.58
Previous 13.2 8.4 6.0 61.4 14.9
Median 16.8 7.50 8.37 94.70 23.2
0.5m 14.10 8.50 8.66 88.9 14.16 pH=3.51
Previous 13.3 8.3 2.3 22.8 14.3
Median 16.8 7.50 8.37 94.70 23.2
1.0m 13.60 9.00 8.70 88.5 15.42 pH=3.60
Previous 13.8 12.9 0.5 5.2 17.6
Median 15.9 7.50 6.37 72.10 21.4
1.3m 13.70 11.20 4.66 49.2 18.66 pH=4.37
Previous 13.6 6.0 0.7 6.1 21.4
Median 15.9 7.50 6.50 72.10 22.8

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 3.6
Previous 0.1 9 3.3
Median 0.1 9 4.1
Bottom 1.3 4.4
Previous 1.4 9 3.7
Median 1.1 9 5.0

Other details

Max depth 1.40
Previous 1.50
Median 1.25
Flow estimate N/A

Observation Documents

Link Date File name Description

Download 		08-09-2025 10:25 20250905_041815936_iOS.jpg

Preceding Observations

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