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 - 17-01-2025
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 16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Observation #16018 #16056 #16122 #16184 #16224 #16332 #16372 #16450 #16521 #16558 #16612 #16660

Observation summaries

Turbidity NTU

16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Top 12.0 15.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 11.0
Bottom 27.0 25.0 9.0 11.0 9.0 11.5 9.0 12.0 12.5 9.0 14.0

pH

16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Top 7.0 7.9 7.0 8.3 8.4 8.4 7.9 8.4 8.6 8.3 8.2 8.1
Bottom 7.0 8.0 7.0 8.3 8.4 8.2 8.4 8.6 8.3 8.2 8.1

Ammonia mg/L

16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Top
Bottom

Enterococci orgs/100mL

16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Top
Bottom

Temperature ° C

16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Top 23.60 21.30 16.20 13.70 11.60 11.60 15.30 13.60 21.50 20.70 23.20 24.00
Bottom 23.50 21.00 16.30 14.60 12.80 11.90 15.70 13.60 20.60 20.40 23.20 24.00

Salinity ppt

16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Top 20.10 19.50 11.60 7.00 6.70 8.80 7.00 11.10 8.60 9.60 10.30 9.80
Bottom 20.50 19.60 13.10 10.10 10.00 18.60 14.70 11.20 8.90 9.70 10.40 9.80

D.O. mg/L

16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Top 8.05 7.14 8.97 10.36 11.32 10.47 10.37 9.88 9.34 8.77 8.23 7.70
Bottom 7.97 6.61 8.63 8.67 7.37 8.57 10.95 10.00 10.14 8.59 8.05 7.23

D.O. % Sat

16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Top 105.00 89.80 97.20 102.60 106.10 101.00 108.60 102.30 110.60 102.30 102.60 96.00
Bottom 104.60 82.80 93.30 88.10 73.60 88.70 120.70 103.60 118.40 100.50 100.00 90.00

Conductivity mS/cm

16-02-2024 15-03-2024 20-04-2024 25-05-2024 22-06-2024 21-07-2024 17-08-2024 21-09-2024 21-10-2024 15-11-2024 13-12-2024 17-01-2025
Top 32.28 31.24 21.50 12.17 11.73 15.14 12.27 18.58 14.69 16.31 17.54 16.61
Bottom 32.72 31.45 21.69 17.17 17.21 30.61 24.08 18.82 15.16 16.51 17.62 16.62
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