The Water Services Information Disclosure Determination 2026 is made under section 52P of the Commerce Act 1986 and came into force in February 2026.
Commerce Commission: Information Disclosure for Water Services - Regulatory Framework Paper - 24 February 2026 (PDF, 1.1MB)
Commerce Commission Water Services Information Disclosure Determination 2026
IAWAI, in its constitution, is not permitted to pay dividends. Section 15 of the Constitution specifically states the Board may not authorise dividend payments.
Constitution of IAWAI - Flowing Waters Limited (PDF, 197KB)
"Without limiting the ability of the Company to purchase or otherwise acquire its own Shares in accordance with clause 12, the Board may not authorise the payment of any dividends by the Company."
— Constitution of IAWAI – Flowing Waters Limited
IAWAI’s policies for funding growth are detailed in the Water Services Strategy and the Development Contributions (DC) Policy.
Water Services Strategy (PDF, 14.1MB)
Development Contributions Policy - External Policy (PDF, 20.7MB)
Each year, IAWAI produces a list of all fees and charges.
Fees and Charges 2026 (PDF, 764KB)
IAWAI does not collect any levies on behalf of a responsible Special Purpose Vehicle (SPV) under the Infrastructure Funding and Financing Act 2020 (IFF).
Some information currently does not fully meet the level of detail required by Clauses 4.7 and 4.8 of the Commerce Commission's Water Services Information Disclosure requirements.
What does this mean for customers?
Customers continue to have access to information about the charges they pay and how growth-related infrastructure is funded. Any impact is limited to the availability of some detailed information on how charges are presented and how growth costs are allocated and recovered.
What information is available?
Information is currently available through:
When will this be resolved?
We are working with the Commerce Commission to address these requirements as quickly as possible.
Our commitment
We remain committed to transparency and providing customers with clear information about how water services are funded and charged.