New pumping station prepares Afsluitdijk for higher water levels
Rijkswaterstaat has officially commissioned the new pumping station and discharge sluices.
From Thursday, the Afsluitdijk has more options for discharging water from the IJsselmeer into the Wadden Sea. The new pumping station and discharge sluices have officially opened, just as the storm and high-water season begins.
Minister Vincent Karremans of Infrastructure and Water Management officially commissioned the pumping station and discharge sluices in Den Oever on Thursday. This marks the completion of the large-scale reinforcement of the Afsluitdijk. Rijkswaterstaat calls the project an important expansion of the Netherlands’ water safety.
The pumping station has six pumps with a combined capacity of 275,000 litres of water per second. That is equivalent to about one Olympic swimming pool every nine seconds. Together with the new discharge sluices, the Afsluitdijk’s discharge capacity has increased by 45 per cent, according to Rijkswaterstaat.
Water is preferably discharged through sluicing: when the water level on the Wadden side is lower than in the IJsselmeer, it can flow out to sea without pumps. According to Rijkswaterstaat, rising sea levels are making those opportunities less frequent. The pumps can also operate when sluicing is not possible.
In addition to the pumping station and discharge sluices, the 32-kilometre-long dyke has been raised and reinforced. New floodgates have been built at Den Oever and Kornwerderzand, which can be closed during extremely high water. A passage for a fish-migration river has also been constructed at Kornwerderzand.
The project was carried out by the Levvel construction consortium, in which BAM, Van Oord and Rebel participated. According to Rijkswaterstaat, the work ranks among the largest hydraulic-engineering projects of recent years. Not everything around the Afsluitdijk is therefore complete: bridges, historic discharge sluices and the Vlietermonument will still require maintenance in the coming years.
The new installation will not solve all future problems. Rijkswaterstaat expects that additional capacity will once again be needed from around 2045 to discharge water from the IJsselmeer. According to the agency, research initially points to an expansion of discharge capacity; more pumps will probably be needed afterwards. This is a technical estimate, not a firm decision on a subsequent construction project.
One story, several perspectives
What is established
- The pumping station and discharge sluices have officially been commissioned.
- The capacity to discharge water has been expanded.
- Rijkswaterstaat expects additional capacity to be needed again in the longer term.
Left
Arguments The investment is necessary because climate change is putting existing water infrastructure under pressure more quickly. Public funds should be used for collective safety, with additional attention to nature, fish migration and the long-term consequences of further sea-level rise.
Values Public protection, climate responsibility, solidarity and ecological care.
Consequences Investing more quickly in water safety and climate adaptation can limit future damage, but requires high public spending over a long period and difficult choices about other infrastructure.
Centre
Arguments The new capacity is a sensible technical improvement, but further measures should be based step by step on water levels, models and cost-benefit analyses. Maintenance and management are at least as important as new construction.
Values Reliability, administrative continuity, expertise and affordability.
Consequences A phased approach prevents rushed multibillion-euro investments, but may be vulnerable if climate effects intensify faster than expected.
Right
Arguments The Netherlands should organise its water safety in a practical and efficient way and not automatically translate every new climate estimate into more government projects. Technical innovation and a strong implementation sector should be given room, while keeping the bill manageable.
Values Safety, efficiency, national resilience and financial discipline.
Consequences Focusing on proven measures can limit waste, but investing too little in advance may lead to higher damage and emergency costs later.
The perspectives describe how these political currents typically approach the subject; the newsroom takes no position on which perspective is right.
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The key facts come directly from Rijkswaterstaat and are consistent with NOS’s technical background. Future capacity is described as an expectation, not as an established decision.
- confirmed The new pumping station and discharge sluices were officially commissioned on 1 October 2026. — Mentioned in Rijkswaterstaat’s news report. source
- confirmed The pumping station has six pumps with a combined capacity of 275,000 litres per second. — Rijkswaterstaat mentions six pumps and 275 cubic metres per second; NOS gives the same capacity in litres. source
- confirmed Discharge capacity has increased by 45 per cent. — This percentage appears in Rijkswaterstaat’s report. source
- confirmed Additional capacity may be needed from around 2045. — Rijkswaterstaat presents this as a future expectation. source
Editor's note
The commissioning, capacity and components of the project have been confirmed by Rijkswaterstaat. The expectation of additional capacity from 2045 onwards is a long-term estimate; no definitive follow-up project has been announced.Sources
More on this in Dutch media
- NOS — „afsluitdijk waterveiligheid”
- Het Parool — „afsluitdijk waterveiligheid”
- de Volkskrant — „afsluitdijk waterveiligheid”