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 - 15-03-2024
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 15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Observation #15461 #15543 #15582 #15710 #15712 #15751 #15813 #15873 #15917 #15983 #16016 #16054

Observation summaries

Turbidity NTU

15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Top 9.0 12.5 26.0 18.0 9.0 13.0 9.0 11.5 9.0 9.0 9.0
Bottom 9.0 9.0 12.0 9.0 9.0 9.0 19.0 13.0 9.0 9.0 17.0

pH

15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Top 8.0 7.6 7.9 8.4 8.3 8.3 8.5 7.9 8.3 7.0 8.0
Bottom 7.9 7.6 6.9 7.8 8.3 7.8 7.9 7.6 7.8 6.9 8.0

Ammonia mg/L

15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Top
Bottom

Enterococci orgs/100mL

15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Top
Bottom

Temperature ° C

15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Top 17.10 14.90 11.50 11.20 14.10 16.90 23.00 19.90 21.40 20.90 21.50 21.00
Bottom 17.00 15.40 13.90 13.10 13.60 14.90 16.00 16.90 18.40 17.20 18.90 19.70

Salinity ppt

15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Top 30.60 27.20 6.30 1.90 4.00 17.50 9.30 15.10 20.90 20.90 17.90 20.10
Bottom 37.10 37.70 32.90 28.70 33.00 32.20 31.80 33.60 28.20 32.10 33.00 21.40

D.O. mg/L

15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Top 7.60 8.05 9.48 10.70 11.86 10.98 12.43 8.92 7.63 8.31 9.49 6.97
Bottom 5.79 7.84 5.81 4.90 7.54 9.05 8.37 7.50 0.31 7.78 0.22 1.17

D.O. % Sat

15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Top 96.40 94.80 91.20 99.10 116.80 124.50 153.70 106.20 97.70 104.50 106.80 86.50
Bottom 76.10 98.50 69.60 53.50 88.20 108.70 103.10 93.30 3.80 97.40 2.80 10.60

Conductivity mS/cm

15-04-2023 20-05-2023 17-06-2023 14-07-2023 20-08-2023 16-09-2023 20-10-2023 17-11-2023 15-12-2023 19-01-2024 16-02-2024 15-03-2024
Top 46.77 43.10 3.60 9.21 28.40 15.94 24.82 33.27 33.36 28.95 32.16
Bottom 55.80 56.70 50.10 44.32 50.40 49.24 48.60 51.30 43.59 49.06 50.20 34.10
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