You can find your customer number in My Waternet for tap water, on your tap water bill or on your bank account statement for your tap water installments.
Ask our digital assistant
- Replies immediately
- Always available
Berry, your digital assistant
Frequently asked questions
Are you moving to or out of Amsterdam? Then you need to take action for your tap water.
View our bank account numbers. Please use a different one for each service: your tap water and water authority tax.
If you moved out of The Netherlands, you may still have to pay an outstanding amount. Please check what kind of bill you received: waterschapsbelasting (water authority tax) or drinkwater (tap water).
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Other questions?
Call us
Call us on business days between 08:00 and 17:00. Want to report a water problem? You can call us 24 hours a day.
0900 93 94
(U verlaat deze site)
normal phone rates apply
+31 889 39 4000
(U verlaat deze site)
international or if 0900 is not possible
We will help you within 10 minutes
Social media
Ask your question via Facebook or X.
We will respond within 1 business day
Chat available
Our digital assistant Berry can answer many of your questions. Is Berry unable to help you? Then you can chat with one of our colleagues.
Direct answer
Main office address
Stichting Waternet
Korte Ouderkerkerdijk 7
1096 AC Amsterdam
Please note that our parking garage is located in Markonstraat. Use this street name for your navigation.
Opening hours
The servicedesk for questions about tap water and water authority tax is open from 13.30 till 15.30 on business day.