EstuaryWatch Data Portal
G5 Coxon's Bridge
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 |
|
| Land use description | Grazing land. |
| Status | Active |
| Observation history | 21-04-2007 - 15-03-2024 |
Phys/Chem Monitoring Site Five |
|
Observations
Turbidity tubes do not measure below 9 NTU; Chart values of 9 should be interpreted as < 9 NTU
Observations
| Date | 19-05-2023 | 16-06-2023 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Observation | #15532 | #15578 | #15670 | #15721 | #15747 | #15817 | #15866 | #15951 | #16033 | #16037 | #16125 |
Observation summaries
Turbidity NTU
| 19-05-2023 | 16-06-2023 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | 10.0 | 53.0 | 23.0 | 27.0 | 24.0 | 24.0 | 10.0 | 9.0 | 9.0 | 9.0 | 9.0 |
| Bottom | 27.0 | 60.0 | 23.0 | 35.0 | 24.0 | 50.0 | 17.0 | 9.0 | 9.0 | 9.0 | 9.0 |
pH
| 19-05-2023 | 16-06-2023 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | 7.3 | 7.0 | 6.9 | 6.8 | 6.7 | 7.1 | 6.3 | 6.5 | 6.1 | 6.6 | 6.6 |
| Bottom | 7.2 | 6.9 | 6.9 | 6.9 | 6.9 | 7.1 | 7.0 | 6.7 | 6.4 | 6.9 | 7.1 |
Ammonia mg/L
| 19-05-2023 | 16-06-2023 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | |||||||||||
| Bottom |
Enterococci orgs/100mL
| 19-05-2023 | 16-06-2023 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | |||||||||||
| Bottom |
Temperature ° C
| 19-05-2023 | 16-06-2023 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | 10.60 | 11.10 | 9.00 | 11.40 | 12.50 | 13.80 | 15.40 | 17.40 | 18.20 | 17.30 | 18.30 |
| Bottom | 10.30 | 10.90 | 8.90 | 11.10 | 12.10 | 13.50 | 15.00 | 17.30 | 18.40 | 17.30 | 17.90 |
Salinity ppt
| 19-05-2023 | 16-06-2023 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | 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 |
D.O. mg/L
| 19-05-2023 | 16-06-2023 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | 10.43 | 9.84 | 10.70 | 10.12 | 9.99 | 9.41 | 8.67 | 8.26 | 7.20 | 7.31 | 6.35 |
| Bottom | 10.47 | 9.76 | 10.62 | 10.14 | 10.04 | 9.42 | 8.71 | 8.22 | 7.10 | 7.15 | 6.28 |
D.O. % Sat
| 19-05-2023 | 16-06-2023 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | 99.50 | 94.70 | 97.50 | 98.40 | 99.90 | 96.80 | 92.50 | 91.90 | 81.00 | 80.70 | 72.20 |
| Bottom | 98.80 | 93.50 | 96.60 | 97.60 | 93.90 | 96.40 | 91.80 | 91.10 | 80.00 | 79.00 | 70.70 |
Conductivity mS/cm
| 19-05-2023 | 16-06-2023 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Top | 0.30 | 0.31 | 0.29 | 0.29 | 0.30 | 0.28 | 0.29 | 0.28 | 0.27 | 0.28 | 0.29 |
| Bottom | 0.30 | 0.32 | 0.29 | 0.29 | 0.30 | 0.28 | 0.29 | 0.28 | 0.27 | 0.28 | 0.29 |
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