Site details

Overview

Estuary Hopkins River Estuary
CMA Glenelg Hopkins CMA
Type Physico-Chemical
Site code H1
Site name Site one (Hopkins River Bridge)
Nearest road and town Hopkins Point Road, Warrnambool
Description Ocean side of bridge, between the 29th and 30th post (counting from the western side of bridge) infront of the fishing ruler.
Site access Park in the carpark located on the eastern side of the bridge.
Land use
  • Native Bushland
  • Recreational
  • Urban Residential
Land use description Coastal reserve on downstream side of bridge, and urban residential on upstream side of bridge.
Status Active
Observation history 01-01-2000 - 16-11-2018
Site One (Estuary Mouth)
Volunteers at site one.

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 19-01-2018 16-02-2018 16-03-2018 21-04-2018 19-05-2018 16-06-2018 21-07-2018 19-08-2018 15-09-2018 19-10-2018 16-11-2018
Observation #11736 #11818 #11899 #11984 #12074 #12153 #12277 #12343 #12420 #12458 #12532

Observation summaries

Turbidity NTU

19-01-2018 16-02-2018 16-03-2018 21-04-2018 19-05-2018 16-06-2018 21-07-2018 19-08-2018 15-09-2018 19-10-2018 16-11-2018
Top 12.0 9.0 9.0 9.0 13.0 9.0 9.0 27.0 9.0 9.0 13.0
Bottom 11.3 9.0 18.0 9.9 9.0 9.0 9.0 24.0 9.0 9.5 17.0

pH

19-01-2018 16-02-2018 16-03-2018 21-04-2018 19-05-2018 16-06-2018 21-07-2018 19-08-2018 15-09-2018 19-10-2018 16-11-2018
Top 8.4 8.1 8.3 8.4 8.7 8.6 8.3 7.6 8.5 8.7 8.6
Bottom 8.1 8.0 7.8 7.7 8.2 8.2 8.0 7.9 8.3 8.2 8.0

Temperature ° C

19-01-2018 16-02-2018 16-03-2018 21-04-2018 19-05-2018 16-06-2018 21-07-2018 19-08-2018 15-09-2018 19-10-2018 16-11-2018
Top 25.30 20.20 19.90 16.10 13.10 10.20 10.00 9.90 13.50 19.20 20.70
Bottom 20.10 18.00 18.80 16.80 13.50 13.50 13.20 12.50 13.40 15.70 17.20

Salinity ppt

19-01-2018 16-02-2018 16-03-2018 21-04-2018 19-05-2018 16-06-2018 21-07-2018 19-08-2018 15-09-2018 19-10-2018 16-11-2018
Top 29.00 30.70 24.30 18.10 15.40 17.20 4.90 1.30 32.50 11.70 8.90
Bottom 33.80 34.00 31.50 30.60 18.80 32.50 33.60 31.80 33.90 29.90 23.70

D.O. mg/L

19-01-2018 16-02-2018 16-03-2018 21-04-2018 19-05-2018 16-06-2018 21-07-2018 19-08-2018 15-09-2018 19-10-2018 16-11-2018
Top 6.88 7.52 8.53 8.37 15.42 9.40 10.68 11.15 8.54 10.71 9.20
Bottom 5.62 7.30 1.88 0.60 1.66 5.94 6.33 7.46 7.94 3.59 0.09

D.O. % Sat

19-01-2018 16-02-2018 16-03-2018 21-04-2018 19-05-2018 16-06-2018 21-07-2018 19-08-2018 15-09-2018 19-10-2018 16-11-2018
Top 98.80 99.40 108.10 94.90 161.40 93.20 98.10 98.70 100.00 122.20 107.80
Bottom 75.80 94.60 24.30 0.70 17.90 69.00 73.60 85.30 93.90 42.20 1.00

Conductivity mS/cm

19-01-2018 16-02-2018 16-03-2018 21-04-2018 19-05-2018 16-06-2018 21-07-2018 19-08-2018 15-09-2018 19-10-2018 16-11-2018
Top 44.90 47.10 38.15 29.23 25.16 28.12 8.76 0.65 49.51 9.50 15.29
Bottom 51.10 51.70 48.21 47.04 30.32 49.64 51.20 48.75 51.70 46.66 37.41
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