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

Observation details

Overview

Estuary Thompson Creek Estuary
Site Blackgate Road Pedestrian Bridge
Observation ID #17705
Date and Time Friday 21st August 2026 16:10pm
Approved Pending

Notes

Meter displaying 0 Days remaining for oxygen sensor.

Performed rough check of calibration with aerated tap water:

D.O. readings  10.18mg/l  100.5% 14.8C

EC = 175.5 microSiemens/cm

(Sampled by Ann and John)

Water Levels and Tides

Low tide time 11:12

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 13.50 9.70 12.40 119.0 13.92
Previous 13.8 27.0 8.0 77.9 38.6
Median 16.3 31.90 8.44 88.80 45.5
0.5m 13.50 9.70 12.40 119.1 13.90
Previous 17.3 33.3 12.9 134.8 47.5
Median 16.3 33.30 8.60 88.80 45.5
1.0m 13.50 9.70 12.37 118.7 13.90
Previous 9.8 14.9 6.1 59.7 24.6
Median 15.2 8.90 2.45 24.50 12.7
1.1m 13.40 9.70 12.13 116.4 13.92
Previous 15.5 8.7 0.4 4.2 12.4
Median 15.5 8.90 2.45 24.50 12.7

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 13 8.6
Previous 0.1 30 8.8
Median 0.1 10 8.1
Bottom 1.1 12 8.6
Previous 0.6 27 8.8
Median 0.5 9 8.3

Other details

Max depth 1.20
Previous 0.65
Median 0.55
Flow estimate Pool
Low tide time 11:12am

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