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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 #17234
Date and Time Wednesday 15th October 2025 10:03am
Approved Pending

Notes

North side of Culvert

GREEN ALGAE floating on top, water has a redstain but clear

See photos attached

Readings on N Side at 0.5m depth

pH   3.1

Temp   16 C

DO       9.26 mg/l

DO%  93

EC   6.4  mS/cm

Water is flowing under bridge

 

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.10 9.41 102.4 14.60
Previous 13.9 8.5 9.8 100.5 17.2
Median 16.8 8.30 8.44 94.70 21.9
0.5m 17.40 9.73 107.4 16.69
Previous 14.1 8.4 8.7 88.9 14.2
Median 16.8 7.50 8.37 91.20 21.9
1.0m 17.30 9.43 105.0 17.36
Previous 13.7 11.2 9.8 100.6 17.2
Median 15.7 7.90 6.37 72.10 19.7
1.3m 18.10 9.83 110.0 17.82
Previous 13.7 12.9 4.7 49.2 18.7
Median 15.7 7.50 6.37 72.10 21.4

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 3.3
Previous 0.1 9 3.7
Median 0.1 9 4.1
Bottom 1.3 9 3.8
Previous 1.3 12 3.8
Median 1.1 9 4.7

Other details

Max depth 1.40
Previous 1.65
Median 1.30
Flow estimate Slow

Observation Documents

Link Date File name Description

Download
15-10-2025 16:10 20251015_101248.jpg

Download
15-10-2025 16:10 20251015_101208.jpg

Preceding Observations

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