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 - 11-10-2024
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

Date 19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Observation #16033 #16037 #16125 #16247 #16255 #16263 #16403 #16416 #16435 #16616

Observation summaries

Turbidity NTU

19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Top 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 12.0 9.0
Bottom 9.0 9.0 9.0 13.0 9.0 9.0 13.0 9.0 13.0 11.0

pH

19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Top 6.1 6.6 6.6 7.4 6.5 6.2 6.2 6.4 6.2 6.4
Bottom 6.4 6.9 7.0 7.2 6.6 6.5 6.6 6.7 6.6 6.7

Ammonia mg/L

19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Top
Bottom

Enterococci orgs/100mL

19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Top
Bottom

Temperature ° C

19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Top 18.20 17.30 18.30 15.00 12.60 9.20 9.60 11.50 11.70 12.50
Bottom 18.40 17.30 17.90 14.10 12.30 9.20 9.50 11.30 11.70 12.50

Salinity ppt

19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Top 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

D.O. mg/L

19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Top 7.20 7.31 6.35 8.11 9.52 11.20 11.09 10.01 10.29 9.41
Bottom 7.10 7.15 6.28 8.04 9.49 11.13 11.11 10.01 10.25 9.39

D.O. % Sat

19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Top 81.00 80.70 72.20 85.20 95.20 102.60 103.20 97.50 100.50 93.60
Bottom 80.00 79.00 70.70 83.20 94.00 101.90 102.80 96.90 99.90 93.30

Conductivity mS/cm

19-01-2024 16-02-2024 15-03-2024 19-04-2024 17-05-2024 21-06-2024 12-07-2024 16-08-2024 13-09-2024 11-10-2024
Top 0.27 0.28 0.29 0.31 0.32 0.32 0.32 0.29 0.32 0.29
Bottom 0.27 0.28 0.29 0.31 0.32 0.32 0.32 0.29 0.32 0.29
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