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Freshwater Supply and Shipping Efficiency Collide at Volkerak Zoommeer
A new fifteen year agreement between Rijkswaterstaat and three Dutch water authorities is placing freshwater security and inland shipping operations on the same track. The deal focuses on protecting the Volkerak Zoommeer, one of the most important freshwater reserves in the southwest Netherlands, while also reducing delays for vessels moving through the Krammersluizen complex.
The agreement was signed with the regional water boards Brabantse Delta, Scheldestromen, and Hollandse Delta. At the center of the plan is a so called bubble screen that will separate saltwater from freshwater at the lock system connecting the Oosterschelde with the Volkerak Zoommeer.
Bubble Curtain Aims to Cut Salt Intrusion and Vessel Waiting Times
The technology works like an underwater curtain. Streams of bubbles are released to limit the movement of heavier saltwater into the lighter freshwater basin. For logistics operators and barge traffic, the project could also reduce lock waiting times because fewer operational measures will be needed to control salinity levels.
Ronald Nomes, acting director for Zee en Delta at Rijkswaterstaat, said the agreement addresses both flood risk and freshwater quality concerns, including emergency response scenarios tied to water shortages.
“Imagine you are dealing with freshwater shortages. How do you respond together in those situations?” Nomes said while discussing the long term cooperation framework.
Agriculture and Inland Logistics Share the Same Water Challenge
The Volkerak Zoommeer sits in a region surrounded by saltwater, making freshwater management increasingly sensitive as climate pressure and drought risks grow. Agriculture remains heavily dependent on the lake, but inland shipping also relies on stable and efficient lock operations.
For freight operators, the project highlights a broader challenge emerging across European waterways.
Source:Schuttevaer
