EstuaryWatch Data Portal
G2 Old Coach Road Bridge Princetown
Site details
Overview
| Estuary | Gellibrand River Estuary |
|---|---|
| CMA | Corangamite CMA |
| Type | Physico-Chemical |
| Site code | G2 |
| Site name | Old Coach Road Bridge Princetown |
| Nearest road and town | none |
| Description | Road bridge over estuary on Old Coach Road |
| Site access | |
| Land use |
|
| Land use description | Road |
| Status | Active |
| Observation history | 20-04-2007 - 10-02-2023 |
Observations
Turbidity tubes do not measure below 9 NTU; Chart values of 9 should be interpreted as < 9 NTU
Observations
| Date | 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Observation | #14632 | #14695 | #14909 | #14958 | #15026 | #15087 | #15143 | #15182 | #15256 | #15286 |
Observation summaries
Turbidity NTU
| 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Top | 9.0 | 9.0 | 35.0 | 50.0 | 15.0 | 30.0 | 17.0 | 21.0 | 11.0 | 12.0 |
| Bottom | 9.0 | 50.0 | 60.0 | 63.0 | 15.0 | 30.0 | 21.0 | 9.0 | 14.0 | 11.0 |
pH
| 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Top | 7.4 | 7.1 | 6.8 | 7.7 | 6.8 | 7.1 | 7.1 | 7.4 | 7.0 | |
| Bottom | 7.6 | 6.8 | 6.8 | 6.2 | 6.7 | 7.0 | 7.7 | 7.6 | 7.4 |
Ammonia mg/L
| 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Top | ||||||||||
| Bottom |
Enterococci orgs/100mL
| 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Top | ||||||||||
| Bottom |
Temperature ° C
| 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Top | 14.60 | 12.50 | 7.80 | 10.70 | 11.40 | 15.00 | 14.80 | 14.60 | 19.30 | 19.70 |
| Bottom | 16.40 | 15.10 | 7.60 | 10.70 | 12.10 | 14.70 | 14.70 | 15.20 | 16.60 | 17.00 |
Salinity ppt
| 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Top | 0.20 | 0.30 | 0.20 | 0.20 | 1.10 | 2.80 | 3.10 | |||
| Bottom | 0.20 | 24.80 | 0.20 | 0.20 | 39.00 | 39.40 | 40.50 |
D.O. mg/L
| 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Top | 6.88 | 8.38 | 10.25 | 8.44 | 9.66 | 6.39 | 8.58 | 8.97 | 7.49 | 7.44 |
| Bottom | 7.26 | 7.79 | 10.18 | 8.33 | 9.99 | 6.42 | 8.56 | 8.04 | 3.10 | 5.27 |
D.O. % Sat
| 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Top | 70.40 | 81.60 | 86.30 | 80.50 | 94.10 | 67.70 | 89.90 | 93.50 | 86.60 | 87.20 |
| Bottom | 91.40 | 94.80 | 85.30 | 79.20 | 98.30 | 67.20 | 89.20 | 84.90 | 33.90 | 58.00 |
Conductivity mS/cm
| 22-04-2022 | 19-05-2022 | 22-07-2022 | 19-08-2022 | 16-09-2022 | 21-10-2022 | 19-11-2022 | 16-12-2022 | 21-01-2023 | 10-02-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Top | 11.04 | 9.82 | 0.39 | 0.29 | 0.37 | 0.25 | 0.30 | 1.61 | 4.55 | 5.10 |
| Bottom | 51.36 | 49.49 | 0.39 | 0.31 | 29.40 | 0.26 | 0.34 | 47.50 | 49.40 | 51.10 |
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