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Irish Water

Irish Water Customer Contact Centre Number 1850 278 278

Irish Water is now your contact point for all water services queries, including new connections, account management and billing.

Water and Wastewater connection
From 13th July 2017

  • Irish Water is now your contact point for all water and wastewater connections.
  • Please note that existing Mayo County Council application forms will no longer be accepted by Irish Water or Mayo County Council after this date.
  • Visit www.water.ie/connections for application forms and further information.

Contact Irish Water 

If you have questions about Connections and Developer Services, please contact Irish Water at:

    • Web: www.water.ie/connections
    • Twitter: @IWCare
    • Boards: www.boards.ie/irishwater
    • Email: newconnections@water.ie
    • Postal Address: Irish Water, PO Box 860, South City Delivery Office, Cork City
    • Telephone: 1850 278 278 or + 353 1 707 2828 (8am-4.30pm, Mon-Fri)

Non Domestic Billing
From 23rd March 2017

  • There are no changes to your charges or billing frequency.
  • Irish Water will now issue your water services bill.
  • From now, please make all payments to Irish Water.

Contact Irish Water 

If you have questions about Billing, Payments and Customer Service, please contact Irish Water at:

    • Web: www.water.ie/business
    • Twitter: @IWCare
    • Boards: www.boards.ie/irishwater
    • Email: business@water.ie
    • Postal Address: Irish Water, PO Box 448, South City Delivery Office, Cork City
    • Telephone: 1850 778 778 or + 353 1 707 2827 (9am-5.30pm, Mon-Fri)

Water supply and emergencies

Telephone: 1850 278 278 or + 353 1 707 2828 (24 hours a day, 7 days a week)

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