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 - 20-07-2019
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 19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Observation #12343 #12420 #12458 #12532 #12605 #12657 #12704 #12767 #12848 #13082 #13123 #13205

Observation summaries

Turbidity NTU

19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Top 27.0 9.0 9.0 13.0 9.2 9.0 11.6 9.0 9.0 9.0 9.0 39.0
Bottom 24.0 9.0 9.5 17.0 13.7 12.0 9.5 12.0 9.0 9.0 9.0 30.0

pH

19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Top 7.6 8.5 8.7 8.6 8.4 8.4 8.6 8.2 8.5 8.7 8.7 7.9
Bottom 7.9 8.3 8.2 8.0 7.6 7.9 8.3 8.4 8.4 8.1 8.2 7.9

Ammonia mg/L

19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Top
Bottom

Enterococci orgs/100mL

19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Top
Bottom

Temperature ° C

19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Top 9.90 13.50 19.20 20.70 19.20 24.20 19.70 19.20 15.90 12.40 11.60 10.60
Bottom 12.50 13.40 15.70 17.20 19.20 21.50 17.80 18.00 17.30 14.80 13.90 13.00

Salinity ppt

19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Top 1.30 32.50 11.70 8.90 12.10 11.30 11.60 9.80 9.80 6.20 8.10 1.20
Bottom 31.80 33.90 29.90 23.70 25.70 19.70 16.00 11.90 21.20 19.60 28.90 29.30

D.O. mg/L

19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Top 11.15 8.54 10.71 9.20 7.91 5.93 9.44 8.87 9.45 12.20 12.05 9.65
Bottom 7.46 7.94 3.59 0.09 0.17 0.22 3.52 4.73 2.51 2.73 4.43 5.92

D.O. % Sat

19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Top 98.70 100.00 122.20 107.80 91.30 75.30 110.60 101.70 101.30 116.10 115.80 87.40
Bottom 85.30 93.90 42.20 1.00 2.30 2.70 40.20 53.50 29.50 30.00 51.00 67.50

Conductivity mS/cm

19-08-2018 15-09-2018 19-10-2018 16-11-2018 21-12-2018 18-01-2019 15-02-2019 15-03-2019 13-04-2019 18-05-2019 15-06-2019 20-07-2019
Top 0.65 49.51 9.50 15.29 20.23 19.08 19.41 16.70 16.59 10.81 13.96 2.27
Bottom 48.75 51.70 46.66 37.41 40.45 31.76 26.67 21.04 33.91 31.70 44.75 45.28
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