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 - 21-02-2020
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 13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Observation #12848 #13082 #13123 #13205 #13260 #13338 #13357 #13409 #13464 #13521 #13596

Observation summaries

Turbidity NTU

13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Top 9.0 9.0 9.0 39.0 60.0 14.0 11.0 9.0 22.0 10.0
Bottom 9.0 9.0 9.0 30.0 50.0 9.0 9.0 9.0 18.0 9.0

pH

13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Top 8.5 8.7 8.7 7.9 8.0 7.8 8.1 7.7 8.2 8.2
Bottom 8.4 8.1 8.2 7.9 7.2 8.1 7.8 7.2 8.1 7.7

Ammonia mg/L

13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Top
Bottom

Enterococci orgs/100mL

13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Top
Bottom

Temperature ° C

13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Top 15.90 12.40 11.60 10.60 10.30 14.60 16.90 16.20 25.40 19.20 20.60
Bottom 17.30 14.80 13.90 13.00 11.30 13.40 14.30 14.80 18.20 16.70 17.50

Salinity ppt

13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Top 9.80 6.20 8.10 1.20 0.50 3.60 3.60 27.60 21.80 28.10 27.00
Bottom 21.20 19.60 28.90 29.30 17.70 31.90 32.60 32.70 32.30 33.30 32.30

D.O. mg/L

13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Top 9.45 12.20 12.05 9.65 10.48 9.03 9.17 7.56 8.94 9.57 8.24
Bottom 2.51 2.73 4.43 5.92 9.18 7.29 7.16 6.62 5.14 6.03 2.85

D.O. % Sat

13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Top 101.30 116.10 115.80 87.40 93.60 91.20 96.50 91.10 124.50 122.50 106.60
Bottom 29.50 30.00 51.00 67.50 93.10 85.30 85.00 79.40 66.00 75.30 36.00

Conductivity mS/cm

13-04-2019 18-05-2019 15-06-2019 20-07-2019 17-08-2019 21-09-2019 11-10-2019 15-11-2019 20-12-2019 17-01-2020 21-02-2020
Top 16.59 10.81 13.96 2.27 1.05 6.64 6.98 42.88 34.75 43.44 41.98
Bottom 33.91 31.70 44.75 45.28 28.79 48.93 49.78 49.91 49.35 50.60 50.70
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