Calculation examples for rates in 2026

Every year, you pay water rates to the water authority. On this page, we have outlined six different situations. For each situation, a calculation example compares the year 2026 with the year 2025. Select your situation:

Family with an owner-occupied home (property value €480,000)

A family consists of a household of two or more people. As a family with an owner-occupied home, you pay the following water rates:

  • Water-system levy for residents
  • Water-treatment levy (three pollution units)
  • Water-system levy developed
Family with an owner-occupied home (property value €480,000)
Levy nameRatesfor 2025Rates for 2026
Water-system levy for residents124.68 euros129.11 euros
Water-treatment levy268.53 euros
(3 x €89.51)		318.81 euros
(3 x €106.27)
Water-system levy developed287.52 euros
(480,000 × 0.0599%)		264.91 euros
(480,000 × 0.0552%)
Total680.73 euros712.83 euros

Family with a rented home

A family consists of a household of two or more people. As a family renting a house, you pay the following water rates:

  • Water-system levy for residents
  • Water-treatment levy (three pollution units)
Family with a rented home
Levy nameRates for 2025Rates for 2026
Water-system levy for residents124.68 euros129.11 euros
Water-treatment levy268.53 euros
(3 x €89.51)		318.81 euros
(3 x €106.27)
Total393.21 euros447.92 euros

Single person with owner-occupied home (property value €300,000)

As a single person with an owner-occupied home, you pay the following water rates:

  • Water-system levy for residents
  • Water-treatment levy (1 pollution unit)
  • Water-system levy developed
Single person with owner-occupied home, property value €300,000
Levy nameRates for 2025Rates for 2026
Water-system levy for residents124.68 euros129.11 euros
Water-treatment levy89.51 euros
(1 x €89.51)		106.27 euros
(1 x €106.27)

Water-system levy developed		179.70 euros
(300,000 × 0.0599%)		165.57 euros
(300,000 × 0.0552%)
Total393.89 euros400.95 euros

Single person in a rented house

As a single person living in a rented house, you pay the following water rates:

  • Water-system levy for residents
  • Water-treatment levy (1 pollution unit)
Single person in a rented house
Levy name    Rates for 2025Rates for 2026
Water rates for residents 124.68 euros129.11 euros
Water-treatment levy89.51 euros106.27 euros
Total214.19 euros235.38 euros

Agricultural business: Family with 80 hectares of farmland (value of buildings €720,000)

You have a family, you own a home, and you have 80 hectares of land with no house or commercial property on it. You pay the following water rates:

  • Water system for residents
  • Water-treatment levy (three pollution units)
  • Water-system levy developed
  • Water-system levy on undeveloped land
Agricultural business: Family with 80 hectares of farmland (value of buildings €720,000)
Levy nameRates for 2025Rates for 2026
Water rates for residents124.68 euros129.11 euros
Water-treatment levy268.53 euros
(3 x €89.51)		318.81 euros
(3 x €106.27)
Water-system levy developed431.28 euros
(720,000 × 0.0599%)		397.37 euros
(720,000 × 0.0552%)
Water-system levy undeveloped land6,535.20 euros
(80 ha x 81.69)		9,394.40 euros
(80 ha × 117.43)
Total7,359.69 euros10,239.69 euros

SME (building value €3,000,000, 10 PUs)

You own commercial property and are charged for 10 pollution units. You pay the following water rates:

  • Water-treatment levy (ten pollution units)
  • Water-system levy developed
SME (building value €3,000,000, 10 PUs)
Levy nameRates for 2025Rates for 2026
Water-treatment levy    895.10 euros
(10 x €89.51)		1,062.70 euros
(10 x €106.27)
Water-system levy developed797.00 euros
(3,000,000 × 0.0599%)		1,782.00 euros
(3,000,000 × 0.0594%)
Total2,692.10 euros2,844.70 euros

You pay separate water rates for your private situation. This depends on how you live.