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

Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #17646
Date and Time Friday 15th May 2026 01:22am
Approved Pending

Notes

temporary remote sampler unable to reach bottom

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 14.20 2.70 7.94 76.7 3.95 ec unstable 3.63 - 4.28 mS/cm
Previous 14.8 2.7 8.6 84.1 4.0
Median 14.8 2.10 8.28 85.70 3.0
0.5m 13.70 2.80 7.91 75.7 4.03 ec unstable 3.76 - 4.30mS/cm
Previous 19.2 1.5 5.7 61.7 2.1
Median 14.7 2.10 8.28 85.90 2.7
1.0m 13.70 2.80 8.04 76.9 4.07 ec unstable 4.07 mS/cm
Previous 15.4 15.0 3.7 36.3 20.0
Median 15.4 3.90 8.32 89.30 6.9
1.5m 13.70 11.90 8.80 84.3 15.62 ec unstable
Previous 19.1 1.4 4.9 52.4 2.1
Median 15.2 3.90 8.38 89.70 5.5
2.0m 14.50 24.50 10.17 99.0 30.80
Previous 16.1 40.9 5.3 53.6 50.5
Median 16.1 30.50 8.02 84.60 41.5
2.5m 14.80 30.10 10.13 99.1 37.30
Previous 19.4 2.6 0.6 7.0 4.4
Median 16.0 30.50 8.21 84.80 40.3
3.0m 14.90 30.70 10.07 99.0 38.10
Previous 16.2 38.7 7.0 70.7 55.3
Median 16.2 34.40 7.15 71.50 47.5
3.5m 15.00 30.80 10.05 98.8 38.30
Previous 18.7 31.9 0.1 1.1 42.9
Median 15.5 34.40 7.22 78.70 47.2
4.0m 15.00 31.40 10.01 98.5 38.90
Previous 16.2 38.9 6.8 68.9 55.5
Median 17.1 35.60 6.05 66.20 49.5
4.3m 15.10 31.50 0.27 2.6 39.10
Previous 15.0 35.4 6.0 66.2 27.8
Median 17.1 35.40 5.51 55.50 49.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10 7.5
Previous 0.1 9 6.5
Median 0.1 10 7.1
Bottom 4.3
Previous 4.4 11 5.8
Median 3.9 16 7.1

Other details

Max depth 4.40
Previous 4.48
Median 4.00
Flow estimate Slow

Observation Documents

Link Date File name Description
Download 16-07-2026 12:45 Coach_Rd_15.5.26.pdf

Preceding Observations

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