Site details

Overview

Estuary Hopkins River Estuary
CMA Glenelg Hopkins CMA
Type Physico-Chemical
Site code H3
Site name Site three (Mahoneys Road)
Nearest road and town Mahoneys Road, Warrnambool
Description Fishing pontoon located on the oceanside of the boat ramp. Monitoring is conducted off the end of the pontoon.
Site access Turn off the Princess Hwy onto Mahoneys Road. Follow Mahoneys Road east through to the boat ramp carpark located at the very end.
Land use
  • Recreational
  • Urban Residential
Land use description Open space reserve with a thin section of riparian vegetation (consisting mainly of Phragmites) which seperates the river from the large green fields of Deakin University on one side, and an urban residential area on the other.
Status Active
Observation history N/A - 15-03-2024
Site three (Mahoneys Road)
Volunteer at site three.

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 #15463 #15545 #15586 #15708 #15714 #15753 #15815 #15875 #15919 #15985 #16018 #16056

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 11.0 12.0 30.0 19.0 14.0 24.0 9.0 14.5 9.0 12.0 15.0
Bottom 12.0 10.0 29.5 14.0 13.0 23.0 13.0 13.8 14.0 27.0 25.0

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 7.7 8.4 8.0 8.0 8.7 8.9 8.2 8.4 8.1 8.4 7.0 7.9
Bottom 8.0 7.4 8.1 8.0 8.8 8.3 8.5 8.0 8.3 7.0 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 17.50 12.90 11.30 11.20 13.50 16.30 23.40 20.40 21.30 22.50 23.60 21.30
Bottom 17.70 15.80 13.80 11.20 13.30 15.60 19.50 20.20 21.40 21.50 23.50 21.00

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 29.90 8.10 4.10 1.50 2.50 18.40 7.00 13.30 19.90 15.10 20.10 19.50
Bottom 30.80 32.10 26.00 1.60 3.10 19.30 22.30 13.70 20.00 18.40 20.50 19.60

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 8.12 11.82 9.87 10.90 12.28 11.38 16.54 9.50 7.87 8.87 8.05 7.14
Bottom 7.80 6.30 1.55 10.34 9.31 10.80 11.22 9.80 7.95 8.41 7.97 6.61

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 103.10 117.50 93.20 100.20 119.60 129.20 204.00 114.30 100.30 111.50 105.00 89.80
Bottom 100.00 77.20 17.60 95.00 86.30 121.40 138.60 117.50 101.30 104.90 104.60 82.80

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 45.87 13.99 7.44 2.94 4.70 29.62 12.33 21.90 31.77 24.72 32.28 31.24
Bottom 47.31 48.87 39.91 2.97 5.70 31.20 35.07 22.70 31.97 29.55 32.72 31.45
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