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H1 Site one (Hopkins River Bridge)

21 November 2025

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

Observation details

Overview

Estuary Hopkins River Estuary
Site Site one (Hopkins River Bridge)
Observation ID #17287
Date and Time Friday 21st November 2025 17:00pm
Approved Pending

Notes

Assisted by Fiona

Very strong southerly wind

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.10 3.70 10.78 118.5 5.73
Previous 17.7 10.8 10.3 115.6 18.2
Median 17.2 11.70 9.24 99.90 19.6
0.5m 19.10 4.20 10.73 117.9 7.63
Previous 15.9 20.2 10.8 125.1 32.2
Median 17.2 12.30 9.24 99.90 20.5
1.0m 19.10 4.20 10.68 117.9 7.63
Previous 16.3 17.4 6.7 75.9 28.0
Median 16.6 21.10 8.52 97.00 33.4
1.5m 19.20 4.30 10.75 116.7 7.72
Previous 14.6 28.4 9.3 109.3 44.0
Median 16.7 21.20 8.52 97.00 33.7
2.0m 19.20 4.40 10.70 117.6 7.75
Previous 15.1 25.4 2.9 33.8 40.1
Median 16.0 27.30 7.70 89.60 42.5
2.5m 16.50 19.50 8.21 93.0 30.88
Previous 14.8 30.6 9.0 108.1 47.0
Median 16.0 27.30 7.70 89.60 42.5
3.0m 16.00 26.40 7.04 81.5 41.52
Previous 14.7 27.9 1.0 11.4 43.2
Median 15.9 31.30 6.60 78.70 47.9
3.2m 15.90 27.80 6.09 72.1 43.15
Previous 14.3 31.7 6.5 78.3 48.6
Median 16.0 31.30 6.62 79.90 48.1

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 18 8.4
Previous 0.1 12 8.1
Median 0.1 9 8.1
Bottom 3.4 17 8.0
Previous 3.5 11 7.7
Median 3.7 9 7.9

Other details

Max depth 3.50
Previous 3.60
Median 3.90
Flow estimate N/A

Observation Documents

Link Date File name Description
Download 22-11-2025 15:14 img20251122_15005380.pdf

Preceding Observations

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