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Tap water units (eenheden)

If your home does not have a water meter, we base our calculation on the number of units in your home. These will be stated on your bill. The more units your home has, the more you pay for your tap water.

How is the number of units determined?

Space Number of units
Room larger than 6 m² 1 unit
Kitchen 1 unit
Bath 1 unit
Garage 1 unit
Garden larger than 65 m² 1 unit
Room larger than 30 m² 2 units


We add up all the units up to a maximum of 9.

Examples 

Example 1 - apartment

You live in an apartment with 3 rooms, a kitchen and a bath. Each room is larger than 6 m². 

  • 3 rooms which are larger than 6 m²: 3 units
  • 1 kitchen: 1 unit
  • 1 bath: 1 unit

Total: 5 units.

Example 2

You live in a family home with 5 rooms. Your living room is 32 m². You have a garden of 25 m². 

  • 4 rooms which are larger than 6 m²: 4 units
  • 1 room which is larger than 30m²: 2 units
  • 1 kitchen: 1 unit
  • Garden of 25 m²: 0 units

Total: 7 units

Rates for units

View the rates per unit.

Please view the rates

For how many units am I paying? 

You can find the number of units of your home on your tap water bill. Please log in to My Waternet to view your bills.

View your tap water bill

Is the number of units not correct? 

Would you like to change the number of units on which your bill is based? Then please contact our customer service team. They will be more than happy to help you.

Contact our customer service

Berrybot Berry, the digital assistent