Water authority tax rates

There are 3 different types of water authority tax: a water system charge, a water treatment charge and a pollution charge. The type of taxes you must pay depends on your specific situation. View the rates and examples for 4 situations.

Water authority tax rates 2023

Type of tax (in Dutch) Type of tax (in English) 2023 rates
Watersysteemheffing ingezetenen Resident water system charge € 136.48 per home
Watersysteemheffing gebouwd Water system charge for buildings 0.012522% of the WOZ value
Watersysteemheffing ongebouwd Water system charge for land without  buildings € 91.99 per hectare (10,000 m2)
Watersysteemheffing wegen Water system charge for roads € 183.98 per hectare (10,000 m2)
Watersysteemheffing natuurterreinen Water system charge for nature areas € 3.55 per hectare (10,000 m2)
Zuiveringsheffing Water treatment charge € 62.37 per pollution unit (ve)*
Verontreinigingsheffing Pollution charge € 62.37 per pollution unit (ve)*

Compare to 2022 rates

* ve is a pollution unit. People who live alone pay for 1 ve. Households with more than 1 resident pay for 3 ve.

Examples (2023)

Icons of a digger (watersysteemheffing ingezetenen), house (watersysteemheffing gebouwd) and water treatment plant (zuiveringsheffing)

1. You are a tenant and you live alone

One-person households must pay a water treatment charge of 1 pollution unit. You must also pay the water system charge for residents.

Picture of a one-person household in a rental house with calculation example. A one-person household pays 136.48 euro per home in resident water system charge and 62.37 euro in water treatment charge. The total is 198.85 euro.


2. You are a tenant and you live together

Households of 2 or more people pay a water treatment charge for 3 pollution units. Even when your household consists of just 2 people. You must also pay the water system charge for residents. 

Picture of a two-person household in a rental house with calculation example. A household with more than one person pays 136.48 euro per home in resident water system charge and 187.11 euro in water treatment charge. The total is 323.59 euro.


3. You live alone and you own your home

One-person households must pay a water treatment charge of 1 pollution unit. You must also pay the water system charge for residents. And as a home owner, you must also pay the water system charge for buildings. In this example the WOZ value of your home is 418,000 euros.

Picture of a one-person household in an owned house with calculation example. A one-person household pays 136.48 euro per home in resident water system charge, 52.34 euro in water system charge for buildings, and 62.37 euro in water treatment charge. The total is 251.19 euro.


4. You have a family with 2 children and you own your home

Households of 2 or more people pay a water treatment charge for 3 pollution units. You must also pay the water system charge for residents. And as a home owner, you must also pay the water system charge for buildings. In this example the WOZ value of your home is 418,000 euros.

Picture of a household with a family and 2 children in an owned house with calculation example. A household with more than one person pays 136.48 euro per home in resident water system charge, 52.34 euro in water system charge for buildings, and 187.11 euro in water treatment charge. The total is 375.93 euro.



Reduction of your assessment

Sometimes we reduce your assessment. For example, when the number of people in the household changes. Or in the event of a death.

Find out in which situations we will reduce your assessment



Water authority tax rates for 2022 and previous years

View rates for 2022 and previous years