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Te hōhonu o ngā pāpuni o Tāmaki Makaurau

Auckland dam levels

The volume of water stored in our dams rises and falls throughout the year.

Easy does it on your water use, Auckland!

Tap into these tips and reduce your water use.

Where does your water come from?

In the week finishing 2 March, the proportion of water taken from each of the following sources to supply the metropolitan Auckland area was:

  • Dams = 64.51%
  • Waikato River = 34.62%
  • Groundwater = 0.87%
Pie chart showing where Auckland's water has come from in the past 7 days.

How full are the dams?

Most of Auckland's drinking water comes from 10 dams in the Hūnua and Waitākere ranges.

  • Historical average is based on data from the past three years

Total water storage by dam

How individual dams make up the total storage. Tap or hover to see how full the dam is in cubic metres.

  • One cubic meter holds 1000 litres of water.

Size of our dams

Some of our dams are much larger than the others.

  • One gigalitre is equal to one billion litres of water.

Storage trends over the past three years