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 3048911. In case of an emergency or disaster, you can call us 24/7 at 050 3048911. You can also submit your question via info@noorderzijlvest.nl orour contact form.

Contact form

Office closed

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

Head office visiting address

  • Stedumermaar 1, 9735 AC Groningen

Public Transport

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

Car + parking

Plan your trip with www.routeplanner:

Parking

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

Electric charging station at the head office

The Noorderzijlvest Water Authority is fully committed to sustainability. If you visit the water authority with an electric vehicle, you can use the charging stations in the water authority car park.

Additional information

  • Email (for all topics) info@noorderzijlvest.nl
  • Postal address: Postbus , 9700 AA Groningen
  • Company number: 50130994
  • VAT number: NL 80.81.74.071.B01
  • Bank account: NL73 NWAB 0636 7555 92

Contact details for other sites

  • Wastewater Treatment Plant Burgemeester 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 site Southern Westerkwartier Area Programme

  • Address: Lage Traan 4a, 9351VL Leek
  • Opening hours: Weekdays 9:00 to 16:00
  • Directions: From the A7, you go to Leek/Tolbert to the industrieterrein Leeksterveld. 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 shared office building.
  • Website: www.zuidelijkwesterkwartier.nl 
     

Water rates

The Noorderlijk Belastingkantoor is responsible for water rates. They  levy and collect water rates. If you have any questions or would like more information, please contact the Noorderlijk Belastingkantoor. They are available on working days from 9:00 to 12:00 and from 13:00 to 16:00. You will be asked for your reference number. Your reference number is stated on the front of your water bill. Telephone number:+31 (0)88 787 9000.

Moving house

Are you moving? You do not have to give us a change of address unless you are a resident or business that has written contact with the water authority. For example, in connection with a specific permit, notification, objection, or complaint.

Notify us when you move house

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