Frequently asked questions
How much does a cubic metre of water cost?
Our tap water costs 1.18 euros per cubic metre in 2026. You are also charged fixed costs, taxes on tap water and VAT.
I would like to request a payment plan. How does it work?
You can request a payment plan for tap water.
Where can I find my customer number?
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 instalments.
Ask our digital assistant
Other questions?
Call us
Our customer service team is not available right now. Call us on business days between 8.00 and 17.00. Want to report a water problem? You can call us 24 hours a day.
Social media
Ask your question via Facebook. We will respond within 1 business day.
Contact form
Ask your question using the contact form.
File a complaint
Are you not satisfied with our service? Or has something unpleasant happened? Then you can file a complaint. We will work together to find a solution.
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 is open from 10.00 till 12.00 on business days. Or you can use our contact form to plan an appointment.