Find information and online application forms for building and development work that needs approval or advice from Melbourne Water.

Flood gates separate the Tidal Waterways from the Patterson River, to protect residents from flooding. View the likelihood of them closing at the next high tide.

View amendments to scheme boundaries, contribution rates and technical guidelines, or register for email notifications.

Register/Unregister for updates

View daily desalinated water data, to see how much is contributed to our water storage levels when the desalination plant is in use.

View pictures from the Thomson Dam, our largest reservoir.

Daily rainfall data, recorded by over 300 volunteer community rain readers.

Browse or search our map to find Melbourne Water projects and works underway near you.

If you're planning a development project in greater Melbourne, use this map to find your drainage scheme.

Drainage contributions are the costs we recover from developers to fund drainage scheme infrastructure and stormwater quality treatment works.