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 - 15-02-2019
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 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 21-12-2018 18-01-2019 15-02-2019
Observation #11899 #11984 #12074 #12153 #12277 #12343 #12420 #12458 #12532 #12605 #12657 #12704

Observation summaries

Turbidity NTU

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 21-12-2018 18-01-2019 15-02-2019
Top 9.0 9.0 13.0 9.0 9.0 27.0 9.0 9.0 13.0 9.2 9.0 11.6
Bottom 18.0 9.9 9.0 9.0 9.0 24.0 9.0 9.5 17.0 13.7 12.0 9.5

pH

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 21-12-2018 18-01-2019 15-02-2019
Top 8.3 8.4 8.7 8.6 8.3 7.6 8.5 8.7 8.6 8.4 8.4 8.6
Bottom 7.8 7.7 8.2 8.2 8.0 7.9 8.3 8.2 8.0 7.6 7.9 8.3

Temperature ° C

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 21-12-2018 18-01-2019 15-02-2019
Top 19.90 16.10 13.10 10.20 10.00 9.90 13.50 19.20 20.70 19.20 24.20 19.70
Bottom 18.80 16.80 13.50 13.50 13.20 12.50 13.40 15.70 17.20 19.20 21.50 17.80

Salinity ppt

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 21-12-2018 18-01-2019 15-02-2019
Top 24.30 18.10 15.40 17.20 4.90 1.30 32.50 11.70 8.90 12.10 11.30 11.60
Bottom 31.50 30.60 18.80 32.50 33.60 31.80 33.90 29.90 23.70 25.70 19.70 16.00

D.O. mg/L

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 21-12-2018 18-01-2019 15-02-2019
Top 8.53 8.37 15.42 9.40 10.68 11.15 8.54 10.71 9.20 7.91 5.93 9.44
Bottom 1.88 0.60 1.66 5.94 6.33 7.46 7.94 3.59 0.09 0.17 0.22 3.52

D.O. % Sat

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 21-12-2018 18-01-2019 15-02-2019
Top 108.10 94.90 161.40 93.20 98.10 98.70 100.00 122.20 107.80 91.30 75.30 110.60
Bottom 24.30 0.70 17.90 69.00 73.60 85.30 93.90 42.20 1.00 2.30 2.70 40.20

Conductivity mS/cm

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 21-12-2018 18-01-2019 15-02-2019
Top 38.15 29.23 25.16 28.12 8.76 0.65 49.51 9.50 15.29 20.23 19.08 19.41
Bottom 48.21 47.04 30.32 49.64 51.20 48.75 51.70 46.66 37.41 40.45 31.76 26.67
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