Water is stored in reservoirs. We measure the water storage levels of our 10 reservoirs over a 24-hour period (8am-8am) every day. The data is then verified at the end of each week.
We use this data to make sure that all our reservoir users – such as environment agencies, other water authorities and retailers – get access to the water they need. Sometimes this involves moving water from one reservoir to another.
We’ve been collecting water storage data since 1940. We update this data at the end of every month. This data informs our long-term planning.
Select multiple years to see how water storage levels have change over the years or view 'all years'.
We record rainfall over a 24-hour period (8am-8am) at four of our water catchment areas. Water catchment areas include the land surrounding our reservoirs. The monthly average (ML) is based on the average from previous years.
This rainfall data has been verified. If you need to see the latest numbers, the rainfall and river level app has unverified data.
We monitor the amount of water that flows into our four major reservoirs, including river, stream and rainfall run-off.
We record daily flow into water storages over a 24-hour period (8am-8am). The weekly and monthly average (ML) is based on the average from previous years.
We monitor Melbourne’s daily water usage to ensure we continue to supply water for the growing population. This includes household and business usage, as well as Western Water’s non-metropolitan water supply.
We record Melbourne’s total daily water use over a 24-hour period (8am-8am). The daily average (ML) is the five-year average for the month. Each week we update the daily average per person and compare it with the previous week.
Install a rainwater tank. Capturing rainwater to use in your garden is an excellent way to reduce the amount of drinking water you use.
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Disclaimer
While all due skill and attention has been taken in collecting, validating and providing data, Melbourne Water Corporation shall not be liable in any way for loss of any kind including damages, costs, interest, loss of profits or special loss or damage, arising from any error, inaccuracy, incompleteness or other defect in this information.
In utilising this information the recipient acknowledges that Melbourne Water Corporation makes no representations as to the accuracy or completeness of this information and the recipient should therefore carry out their own investigations if appropriate.