Site details

Overview

Estuary Gellibrand River Estuary
CMA Corangamite CMA
Type Physico-Chemical
Site code G4
Site name Bridge at Rivernook
Nearest road and town Old Ocean Road, Princetown
Description Bridge at Rivernook
Site access Access via Old Ocean Road. The first bridge over the river you come to.
Land use
  • Other
  • Rural Grazing
Land use description Grazing area.
Status Active
Observation history 21-04-2007 - 20-09-2019
G4
Phys/Chem Monitoring Site Four.

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 19-10-2018 19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Observation #12451 #12462 #12537 #13007 #13008 #13009 #13010 #12774 #12782 #13011 #12806 #12809 #12846 #12857 #13074 #13163 #13295 #13334

Observation summaries

Turbidity NTU

19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Top 19.0 19.0 19.5 13.5 6.2 5.6 2.9 9.0 10.0 11.0 23.0 17.0
Bottom 40.0 9.0 3.1 13.5 5.1 1.2 3.2 9.0 10.0 17.0

pH

19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Top 7.0 6.8 7.3 7.0 6.7 6.6 6.7 6.4 6.7 6.9 6.9 6.9
Bottom 6.8 7.1 7.3 7.0 6.4 7.0 7.1 7.1 6.6 6.9

Ammonia mg/L

19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Top
Bottom

Enterococci orgs/100mL

19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Top
Bottom

Temperature ° C

19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Top 18.00 15.20 15.30 18.10 21.70 17.70 17.90 18.70 15.30 14.90 14.40 14.40 11.30 8.70 9.70 11.20
Bottom 13.80 15.70 16.60 18.20 18.10 18.70 18.10 17.80 15.40 14.90 17.20 16.80 11.30 8.70 9.60 11.10

Salinity ppt

19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Top 1.00 0.10 0.30 0.10 0.90 0.90 0.50 0.60 0.40 0.20 1.40 1.50 0.20 0.20 0.10 0.10
Bottom 25.20 21.10 21.50 0.10 28.30 27.20 26.30 26.80 0.50 0.20 34.20 33.70 0.20 0.20 0.10 0.10

D.O. mg/L

19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Top 5.92 7.74 7.95 7.04 6.29 6.01 5.19 4.78 5.38 7.04 5.57 6.93 8.06 9.28 9.39 9.99
Bottom 2.10 3.89 4.22 6.94 0.61 0.57 0.03 0.37 5.20 7.13 5.22 2.11 7.72 9.33 10.03 10.20

D.O. % Sat

19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Top 63.70 77.30 80.30 74.60 71.80 63.20 54.70 51.30 54.00 68.80 55.00 68.40 73.80 79.80 87.30 90.70
Bottom 23.50 44.90 49.30 73.60 7.50 7.10 0.40 4.50 52.20 70.60 67.20 27.00 69.90 80.10 88.20 92.70

Conductivity mS/cm

19-10-2018 16-11-2018 23-11-2018 21-12-2018 18-01-2019 15-02-2019 19-03-2019 22-03-2019 01-04-2019 02-04-2019 11-04-2019 19-04-2019 17-05-2019 21-06-2019 31-08-2019 20-09-2019
Top 1.88 0.31 0.67 0.28 1.74 5.60 1.02 1.09 0.80 0.43 2.82 2.80 0.32 0.38 0.28 0.30
Bottom 39.47 33.60 34.25 0.28 43.92 42.34 40.93 41.74 0.94 0.40 51.90 51.30 0.32 0.38 0.28 0.30
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