Site details

Overview

Estuary Merricks Creek Estuary
CMA Melbourne Water
Type Physico-Chemical
Site code Me2
Site name Balnarring Bridge
Nearest road and town Ballnarring Beach Road, Ballnarring
Description Monitoring is conducted from the Balnarring Beach Road Bridge.
Site access Park at the Parks Victoria office and walk to the centre of the Balnarring Beach Road Bridge.
Land use
  • Native Bushland
  • Urban Residential
Land use description Township of Balnarring and Foreshore Reserve.
Status Active
Observation history 01-02-2016 - 06-01-2025

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 05-02-2024 12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 04-11-2024 02-12-2024 06-01-2025
Observation #16015 #16088 #16089 #16181 #16282 #16283 #16409 #16410 #16574 #16575 #16662 #16663

Observation summaries

Turbidity NTU

05-02-2024 12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 04-11-2024 02-12-2024 06-01-2025
Top 22.0 60.0 12.0 10.0 10.0 10.0 10.0 10.0 10.0 25.0 10.0 37.0
Bottom 60.0 16.0 10.0 10.0 10.0 10.0 10.0 18.0 30.0

pH

05-02-2024 12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 04-11-2024 02-12-2024 06-01-2025
Top 7.4 7.8 8.6 8.0 8.5 8.5 8.6 8.2 8.2 7.7 8.2 7.6
Bottom 7.6 7.8 7.4 7.7 7.7 7.7 7.6 8.0 7.4

Ammonia mg/L

05-02-2024 12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 04-11-2024 02-12-2024 06-01-2025
Top
Bottom

Enterococci orgs/100mL

05-02-2024 12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 04-11-2024 02-12-2024 06-01-2025
Top
Bottom

Temperature ° C

12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 06-01-2025
Top 22.50 16.20 16.30 12.10 9.30 8.20 14.40 12.70 23.70
Bottom 22.60 18.30 18.40 17.40 13.60 13.10 16.30 13.10 23.60

Salinity ppt

12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 06-01-2025
Top 31.90 2.20 8.00 2.10 1.30 1.90 1.70 2.70 34.90
Bottom 33.50 31.70 30.00 22.90 7.00 25.80 27.00 4.70 35.70

D.O. mg/L

12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 06-01-2025
Top 0.63 1.80 2.60 6.00 7.70 10.60 8.60 3.58 0.57
Bottom 0.50 1.04 0.67 0.50 0.70 0.90 1.10 9.40 0.32

D.O. % Sat

12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 06-01-2025
Top 8.40 18.50 26.00 56.00 65.90 95.00 84.50 82.60 7.60
Bottom 7.00 13.10 8.00 5.50 7.40 9.70 13.20 93.00 4.40

Conductivity mS/cm

12-03-2024 03-04-2024 06-05-2024 03-06-2024 01-07-2024 05-08-2024 10-09-2024 08-10-2024 06-01-2025
Top 46.18 3.39 11.50 3.00 6.40 2.47 2.54 8.65 51.60
Bottom 49.00 42.30 40.00 31.00 9.40 31.00 35.10 6.08 52.50
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