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
  • Native Bushland
  • Other
  • Recreational
Land use description Road
Status Active
Observation history 20-04-2007 - 20-03-2020

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 11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Observation #12844 #12858 #13075 #13164 #13203 #13294 #13335 #13367 #13428 #13463 #13510 #13584 #13612 #13648

Observation summaries

Turbidity NTU

11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Top 9.0 9.0 11.0 35.0 24.0 14.0 9.0 15.0 14.0 9.0 9.0 9.0
Bottom 9.0 9.0 27.0 16.0 17.0 21.0 27.0 50.0 30.0 24.0

pH

11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Top 6.8 6.8 6.8 6.5 6.8 7.2 6.8 6.7 6.2 7.5 7.2 6.9
Bottom 7.3 7.4 6.9 7.3 7.9 6.8 6.5 7.9 6.9 7.0

Ammonia mg/L

11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Top
Bottom

Enterococci orgs/100mL

11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Top
Bottom

Temperature ° C

11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Top 15.40 15.20 12.60 9.10 10.00 9.40 11.30 13.00 15.70 18.70 17.30 18.10 19.90 17.50
Bottom 15.80 16.60 15.90 12.40 10.00 9.40 11.10 13.70 15.40 15.60 16.40 17.20 17.10 17.10

Salinity ppt

11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Top 6.70 3.10 0.90 0.60 0.20 0.00 0.20 1.90 0.20 1.10 5.90 3.10 2.00 1.80
Bottom 34.80 34.40 34.20 12.40 0.20 0.20 0.20 30.20 0.40 32.10 42.00 30.30 29.60 29.40

D.O. mg/L

11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Top 4.88 7.09 7.69 9.02 7.40 9.78 10.08 8.50 8.33 8.18 7.19 6.14 1.70 6.43
Bottom 7.05 2.38 0.35 5.26 7.37 9.40 0.00 7.26 7.20 3.63 4.52 0.05 0.05 0.30

D.O. % Sat

11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Top 50.80 72.30 72.70 78.30 55.50 85.60 92.20 80.50 82.50 88.10 77.50 66.20 85.80 67.80
Bottom 88.00 30.10 4.30 56.40 65.30 81.50 86.90 84.30 69.20 41.10 56.20 0.70 0.60 0.40

Conductivity mS/cm

11-04-2019 19-04-2019 17-05-2019 21-06-2019 19-07-2019 31-08-2019 20-09-2019 18-10-2019 22-11-2019 20-12-2019 17-01-2020 21-02-2020 12-03-2020 20-03-2020
Top 5.66 1.68 1.18 0.33 0.39 0.34 3.45 0.42 2.18 10.28 5.69 3.71 3.48
Bottom 52.20 51.90 36.65 0.39 0.41 0.36 46.53 0.84 49.10 48.88 46.55 0.00 45.26
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