Wellington Water manages all Wellington, Hutt, Upper Hutt and Porirua councils' drainage and water services.
- provides water services to customers in Wellington, Lower Hutt, Upper Hutt and Porirua
- maintains the water, wastewater and stormwater infrastructure for the Wellington, Hutt, Upper Hutt and Porirua city councils
- is jointly owned by the four city councils and Greater Wellington Regional Council
- was formed by the merger of Capacity Infrastructure Services and Greater Wellington Regional Council’s water supply group in September 2014.