All contact details

You can contact us in various ways.

Contact us

We are available Monday through Friday from 8:00 a.m. to 5:00 p.m. at 050 304 8911. In case of an emergency or disaster, you can call us 24/7 at 050 3048911. You can also send your question to info@noorderzijlvest.nl oruse our contact form.

Contact form

Office closed

  • Thursday, December 25, and Friday, December 26 (Christmas Day and Boxing Day)
  • Wednesday, December 31, 2025
  • Thursday, January 1, 2026
  • Friday, January 2, 2026

Head office visiting address

  • Stedumermaar 1, 9735 AC Groningen

Public Transportation

The head office can be reached by public transport in several ways. Plan your journey via:

Car + parking

Plan your trip via www.routeplanner:

Parking

There is a parking lot at the head office. If the parking lot is full, you can park for free at: 

Electric charging headquarters

The Noorderzijlvest Water Authority attaches great importance to sustainability. Visitors to the water authority with an electric car can use the charging points in the Noorderzijlvest Water Authority car park.

Additional information

  • Email (for all topics)info@noorderzijlvest.nl
  • Mailing address: PO Box 18, 9700 AA Groningen
  • Chamber of Commerce number: 50130994
  • VAT number: NL 80.81.74.071.B01
  • Bank account: NL73 NWAB 0636 7555 92

Contact details for other locations


  • Wastewater Treatment Plant Mayor J.G. Legroweg 82, 9761 TD Eelde
  • Garmerwolde Wastewater Treatment Plant
    Grasdijkweg 2, 9798 TC Garmerwolde
  • Leek Wastewater Treatment Plant
    Leuringslaan 116, 9351 NS Leek
  • Leek Workshop
    Leuringslaan 61, 9351 NT Leek
  • Onderdendam workshop
    Winsumerweg 8, 9959 TD Onderdendam

Collaboration location Southern Westerkwartier Area Program

  • Address: Lage Traan 4a, 9351VL Leek
  • Opening hours: Weekdays 9:00 a.m. to 4:00 p.m.
  • Directions: From the A7, follow the route to Leek/Tolbert to the Leeksterveld industrial estate. At the roundabout on the north side of the A7, take the exit to Lage Traan. The office is immediately after the first exit on the left, on the left side of the multi-tenant building.
  • Website: www.zuidelijkwesterkwartier.nl 
     

Taxes

The Northern Tax Office is responsible for water board taxes. Theylevy and collecttaxes. If you have any questions about this or would like more information, please contact the Northern Tax Office. They can be reached on working days from 9 a.m. to 5 p.m. on088 787 9000.

Moving

Are you moving? Then you do not need to notify us of your change of address unless you are a resident or business that is in written contact with the water authority. For example, in connection with a specific permit, notification, objection, or complaint.

Notify us of your move

Which water authority do I fall under?

Not sure which water authority you belong to?

Am I overflowing?

What is the water level in your neighborhood during a flood? How can you prepare?

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