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.
New display coming soon
We are working to replace this page with one that displays comprehensive dam level data that refreshes throughout the day.
How full are the dams?
How full are the dams?
Most of Auckland’s drinking water comes from 10 dams in the Hūnua and Waitākere ranges.
Combined total, updated weekly
This is how full the dams were on Monday 18 November.
About our dams
Take a deep dive into facts about our water supply dams.
Individual dam levels as of Monday 18 November
These figures are updated weekly on Monday mornings.
Waitākere Ranges
- Waitākere Dam: 91.02% full
- Upper Nihotupu Dam: 94.14% full
- Upper Huia Dam: 97.25% full
- Lower Nihotupu Dam: 97.06% full
- Lower Huia Dam: 99.79% full
Hūnua Ranges
- Cosseys Dam: 84.01% full
- Wairoa Dam: 85.12% full
- Upper Mangatawhiri Dam: 98.25% full
- Mangatangi Dam: 78.79% full
- Hays Creek Dam: 96.23% full