Algemene Rekenkamer NCA

Drinking water under pressure

2025 NL2025drinkingWaterSavings
SCALE
  • - 102 million m³ more drinking water would be needed in the Netherlands in 2030 than in 2020
  • - target for households: from 119 litres per person per day in 2023 to 100 litres in 2035
  • - target for business: until 2035 reduce consumption by 20%
  • - €1.7 billion - combined turnover by the national distributors in 2023
  • - €110 million - estimated the tax loss in 2025
COMPLIANCE FOCUS
  • - Drinking Water Act
  • - Government Accounts Act
  • - EU Water Resilience Strategy
  • - National Drinking Water Action Plan
  • - Dutch Water Fact Sheet
  • - Policy targets
PERFORMANCE ASPECT
  • - evaluation of policy results
  • - future security
  • - reporting on the National Drinking Water Action Plan
  • - the Plan reviews and refinements
  • - business consumption
  • - stakeholders involvement in policy implementation

The minister’s water saving strategy is facing a range of problems ; behavioural change cannot be taken for granted, drinking water has low price elasticity, and the compulsory technical measures being studied are making slow progress.

The Ministry admits that it does not collect information on the consequences of drinking water shortages, even though it would strengthen the minister’s ability to anticipate the societal consequences of shortages and inform parliament about them.

The Minister has commissioned studies of the potential benefits of compulsory rainwater or greywater systems and of the pricing system for drinking water. But he has not used the results to check whether he is on course to achieve the targets. The studies’ implications for the targets are accordingly uncertain.

To meet the household saving target, the Minister is seeking a change in behaviour and greater water-awareness in construction projects. He is working on a national water awareness campaign. It is difficult to predict how effective measures to change behaviour will be.

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The items above were selected and named by the e-Government Subgroup of the EUROSAI IT Working Group on the basis of publicly available report of the author Supreme Audit Institutions (SAI). In the same way, the Subgroup prepared the analytical assumptions and headings. All readers are encouraged to consult the original texts by the author SAIs (linked).