Those affected should boil water for at least one minute, should not rely on filters and should seek advice from a medical practitioner if they have symptoms of gastroenteritis.
The boil water notice applies to water used for drinking and ice, food preparation, oral hygiene and pets.
“In response to the detection of E.coli bacteria, the council is isolating Te Haumi 2 Reservoir to prevent any wider network contamination risk, while further investigation and testing of the network continues. The entire Paihia network has been tested today.”
National water services regulator Taumata Arowai has been informed of the boil water notice and is being updated on actions underway to return the supply to normal service.