Contact us

Do you have a question or would you like to contact or visit us? Please view the options below.

Waternet does work for the Regional Public Water Authority. If you have a question or would like to speak to one of our employees, please call the Waternet customer service team. You may also use the contact form below to send us an email. Please note that this functionality is only available in Dutch, though you can write us in English if you prefer.

Call us

You may call the Waternet customer service team on business days from 8.00 till 17.00.

0900 9394 normal phone rates apply
+31 889 39 4000 international
We will help you within 20 minutes

Send us an email

You may send us an email by filling in and submitting the contact form.

Send email
Receive an answer within 5 business days

Main office address

Stichting Waternet
Korte Ouderkerkerdijk 7
1096 AC Amsterdam

Attention: our parking is located in the Markonstraat. Please use that streetname for your navigation.

Postal address

The servicedesk for 'waterschapsbelasting' (water authority tax), 'binnenhavengeld' (Inland port dues) and tap water bills is open from 8:30 till 17:00 on business days. The servicedesk is located at our main office.