how often does tiaki wai bill nz
Tiaki Wai bills residential property owners every three months. The first separate bill arrives in late July or early August 2026, and after that the cycle is quarterly on the same schedule as council rates.
What that means
- Youâll get a separate Tiaki Wai water services bill, not just one bill through council rates.
- The first bill is due 1 September 2026.
- Tiaki Wai says this quarterly billing applies from 1 July 2026 onward.
In plain terms
If youâre asking âhow often,â the answer is: four times a year.