Estuary name Merricks Creek Estuary
CMA Melbourne Water
Description Merricks Creek Estuary is situated in the township of Balnarring Beach and flows into Western Port Bay.  It is an intermittently open estuary and is highly modified.
Estuary Values
Estuary Threats
Data Site observations
Status Active
Monitor group Merricks Creek EstuaryWatchers



Site details Options

Me1 Bridge at the estuary mouth

Active Physico-Chemical 05-09-2016 - 06-03-2023
This site is on the closest bridge to the estuary mouth.
Observations 81

Me2 Balnarring Bridge

Active Physico-Chemical 01-02-2016 - 07-03-2023
Monitoring is conducted from the Balnarring Beach Road Bridge.
Observations 77

MeMC Merricks Creek Estuary Mouth Observation Site

Active Mouth Condition 07-03-2016 - 06-03-2023
Observations are taken from the top of the rock wall on the Somers side of the estuary.
Observations 82

Mep1 Merricks Creek Photopoint 1

Active Photopoint 02-01-2017 - 07-03-2023
Along the top of the rock wall on the Somers side of the estuary.
Photos 293

Recent Events

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Estuary Snapshots

The EstuaryWatch snapshots provide a summary of estuary condition on a particular day. For all EstuaryWatch Snapshots, photopoint photos and a longitudinal water quality profile from the estuary mouth  to the inland extent is displayed. Read more

Full estuary snapshots below use dates where samples at every active monitoring site were recorded. View full and partial snapshots

Autumn 2023

Summer 2023

Spring 2022

Winter 2022

Autumn 2022

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