Cork Lower Harbour Project
Find out how we are improving the harbour's water quality
Experiencing water supply issues?
View your local supply and service updates
Check your drinking water quality
We offer detailed results for your local Water Supply Zone
Who collects your wastewater?
Irish Water is responsible for the collection and treatment of public wastewater
What to do with blocked drains
Information on dealing with wastewater issues and emergencies
Do you qualify for First Fix Free?
Find out who is eligible to have their leak investigated and repaired for free
Need help understanding your bill?
Everything you need to know about business billing and charges
Reduce your water bills
Use these tips to save on your water use and reduce your bills
Read about our community work
We invest in communities and environmental programmes across Ireland
Conserve water in your home
Make a few small changes and save water, energy, and money
Connecting to our network?
Check out our step-by-step guide to the connections process
How we work with developers
Download our requirements and guidance for connecting to our networks
Have a question about Irish Water?
Check our FAQs for a range of queries
Proof your home against cold weater
Use our helpful tips to protect your home and business this winter
Join our team
View the career opportunities currently on offer with Irish Water
Find out about Irish Water
Our mission and business plan to transform our water services
Back to Questions and Answers
The Irish Water VAT number is 3191327JH and the Irish Water Company Registration number is 530363.
Contact us via our online form or call us on 1850 448 448