21-01-2016
Drought causes significant water and food shortages in Sudan. As part of the ‘Water for Three States’ project, Acacia Water works on improving access to safe drinking water and sanitation. The knowledge about the water system is expanded by means of hydrologic studies. This enables the project to…
30-06-2015
Groot-Limmerpolder embarked on an area planning process to explore the options of using water from the area itself to ensure sufficient supply of clean water. The integration of substantive knowledge with the process led to an effective decision-making process and was able to generate the support of…
03-03-2015
As part of the Dutch Delta Plan for Lake IJssel a broad stakeholder platform was organized. Management of the surface water level in the lake was one of the main topics discussed by the platform. To come up with the best water level management policy an in-depth physical assessment was combined with…
01-03-2015
The Dutch Water Supply On-demand Project aims at ‘smarter operational water management’. By supplying freshwater at the right place at the right time it contributes to an optimal distribution of freshwater. The project is well-described by four principles: measuring, knowing, adjusting and…
01-03-2015
In order to improve flood prevention, sand nourishment is used as an effective tool to reinforce the Hondsbossche sea wall. As new dunes develop, this is likely to lead to a reduction of saltwater seepage. This reduction will have its effects on the saline and brackish ecosystem in the area behind…
01-02-2015
Groundwater models are important tools for municipalities to acquire insight into the way their groundwater systems work. Acacia Water has developed a groundwater model for the Municipality of Hillegom that focuses on the municipality’s urban area. This model enables assessment of the groundwater…
21-01-2015
The Dutch Water Act took effect in 2009. One of the most important changes introduced by the amendment is that it appoints the water board as the competent authority for operational groundwater management. This task was moved from the province to the water board. Practical implementation of this…
01-01-2015
The dikes, or levees in the Netherlands prevent rivers from overflowing their banks and protect the hinterland against flooding. Over the centuries, these levees have been moved around a lot, damaged and repaired after breaches. What do we really know about the structure of these levees, and how…
01-01-2015
The Amsterdam Southeast district has great variations in depth of the topsoil layers. Areas located on a relatively thin top layer are confronted with groundwater flooding. On the instructions of Waternet, Acacia Water identified the problem areas using a detailed analysis of the upper layer and the…