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 - 17-01-2020
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 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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Observation #13010 #12774 #12782 #13011 #12806 #12809 #12846 #12857 #13074 #13163 #13295 #13334 #13366 #13427 #13462 #13513

Observation summaries

Turbidity NTU

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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Top 5.6 2.9 9.0 10.0 11.0 23.0 17.0 17.0 15.0 17.0 9.0
Bottom 1.2 3.2 9.0 10.0 17.0 15.0 17.0 17.0 9.0

pH

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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Top 6.6 6.7 6.4 6.7 6.9 6.9 6.9 6.9 6.6 6.6 6.7
Bottom 7.0 7.1 7.1 6.6 6.9 7.1 6.6 6.5 7.4

Ammonia mg/L

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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Top
Bottom

Enterococci orgs/100mL

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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Top
Bottom

Temperature ° C

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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Top 17.70 17.90 18.70 15.30 14.90 14.40 14.40 11.30 8.70 9.70 11.20 12.80 15.20 18.20 18.20
Bottom 18.70 18.10 17.80 15.40 14.90 17.20 16.80 11.30 8.70 9.60 11.10 12.80 15.20 18.10 16.90

Salinity ppt

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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Top 0.90 0.50 0.60 0.40 0.20 1.40 1.50 0.20 0.20 0.10 0.10 0.20 0.10 0.10 1.10
Bottom 27.20 26.30 26.80 0.50 0.20 34.20 33.70 0.20 0.20 0.10 0.10 0.10 0.10 0.10 28.90

D.O. mg/L

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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Top 6.01 5.19 4.78 5.38 7.04 5.57 6.93 8.06 9.28 9.39 9.99 8.33 8.28 7.61 5.69
Bottom 0.57 0.03 0.37 5.20 7.13 5.22 2.11 7.72 9.33 10.03 10.20 8.46 8.29 7.35 3.44

D.O. % Sat

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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Top 63.20 54.70 51.30 54.00 68.80 55.00 68.40 73.80 79.80 87.30 90.70 79.20 82.40 80.40 60.60
Bottom 7.10 0.40 4.50 52.20 70.60 67.20 27.00 69.90 80.10 88.20 92.70 79.90 82.60 77.60 42.40

Conductivity mS/cm

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 18-10-2019 22-11-2019 20-12-2019 17-01-2020
Top 5.60 1.02 1.09 0.80 0.43 2.82 2.80 0.32 0.38 0.28 0.30 0.31 0.27 0.26 2.07
Bottom 42.34 40.93 41.74 0.94 0.40 51.90 51.30 0.32 0.38 0.28 0.30 0.31 0.27 0.26 44.68
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