The other option would be to opt-out of the reforms.
Council's infrastructure group manager Erin Moogan provided a verbal update to councillors on Tuesday around where the process was at.
She also asked for feedback as to potential questions for the Department of Internal Affairs around how the three waters reform would work.
Cr Ian Pottinger, who is the chairman of the infrastructural services committee, raised concerns around the prospect of the city’s water services potentially be privatised in the future if they handed the running of it over.
Pottinger said at the moment the council provided water services without looking to make a profit. However, if a private company was to at some stage step in it would be after a profit and in turn ramp up costs on Invercargill residents.