Our network

Safe, reliable water for Tāmaki Makaurau

We supply drinking water and treat wastewater for 1.7 million people across Auckland, every hour of every day.

Major projects

Central Interceptor is now flowing

Auckland's largest wastewater tunnel is reducing overflows into local streams and harbours, with the main tunnel now in service.

Water efficiency

Small changes at home keep storage levels healthy. Find simple ways to save water and lower your next bill.