Around 100 data centres operate in Ireland, and a substantial share draw water from the public network. Figures cited from Uisce Éireann show that 57 data centres use a combined average of about 4.78 million litres of public water per day, which is close to five million litres. The reporting comes as parts of the country are subject to a six-week hosepipe ban intended to protect public water supplies. The comparisons between restrictions on household water use and industrial water demand focus attention on how much water data centres consume and where they source it. Some data centres do not use water from the Uisce Éireann network, so total national consumption could differ depending on how many facilities rely on other supplies. The available figures specifically cover the subset connected to the public system and highlight that data centre water use is now significant relative to current water-supply management measures.