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  3. G5 Coxon's Bridge

G5 Coxon's Bridge

Overview Map Charts Observations 12 Downloads
Site details

Overview

Estuary Gellibrand River Estuary
CMA Corangamite CMA
Type Physico-Chemical
Site code G5
Site name Coxon's Bridge
Nearest road and town Old Ocean Road, Princetown
Description Bridge at Coxon's
Site access Access via Old Ocean Road. Second bridge along.
Land use
  • Other
  • Rural Grazing
Land use description Grazing land.
Status Active
Observation history 21-04-2007 - 21-06-2024
G5
Phys/Chem Monitoring Site Five

Map

Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
Turbidity tubes do not measure below 9 NTU; Chart values of 9 should be interpreted as < 9 NTU

Observations

View all observations
Date 21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Observation #15670 #15721 #15747 #15817 #15866 #15951 #16033 #16037 #16125 #16247 #16255 #16263

Observation summaries

Turbidity NTU

21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Top 23.0 27.0 24.0 24.0 10.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0
Bottom 23.0 35.0 24.0 50.0 17.0 9.0 9.0 9.0 9.0 13.0 9.0 9.0

pH

21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Top 6.9 6.8 6.7 7.1 6.3 6.5 6.1 6.6 6.6 7.4 6.5 6.2
Bottom 6.9 6.9 6.9 7.1 7.0 6.7 6.4 6.9 7.0 7.2 6.6 6.5

Ammonia mg/L

21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Top
Bottom

Enterococci orgs/100mL

21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Top
Bottom

Temperature ° C

21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Top 9.00 11.40 12.50 13.80 15.40 17.40 18.20 17.30 18.30 15.00 12.60 9.20
Bottom 8.90 11.10 12.10 13.50 15.00 17.30 18.40 17.30 17.90 14.10 12.30 9.20

Salinity ppt

21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Top 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20
Bottom 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20

D.O. mg/L

21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Top 10.70 10.12 9.99 9.41 8.67 8.26 7.20 7.31 6.35 8.11 9.52 11.20
Bottom 10.62 10.14 10.04 9.42 8.71 8.22 7.10 7.15 6.28 8.04 9.49 11.13

D.O. % Sat

21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Top 97.50 98.40 99.90 96.80 92.50 91.90 81.00 80.70 72.20 85.20 95.20 102.60
Bottom 96.60 97.60 93.90 96.40 91.80 91.10 80.00 79.00 70.70 83.20 94.00 101.90

Conductivity mS/cm

21-07-2023 25-08-2023 15-09-2023 20-10-2023 17-11-2023 22-12-2023 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024
Top 0.29 0.29 0.30 0.28 0.29 0.28 0.27 0.28 0.29 0.31 0.32 0.32
Bottom 0.29 0.29 0.30 0.28 0.29 0.28 0.27 0.28 0.29 0.31 0.32 0.32
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