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Castwater online tool

This tool can help SMEs identify ways to assess and improve water management issues in your enterprise. The tool will make you a series of questions to evaluate your current status and identify areas of improvement and will provide recommendations.


Rainwater storage tanks

At a campsite a lot of (warm) water is needed every day, because everyone wants to be able to shower and wash when they are camping. At a campsite such as the Kreekebos campsite, about 2000 liters of warm water is needed per day. To reduce the burden on the environment, they have therefore invested in solar collectors and heat pump boilers.

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Toilet with rain flushing water

A toilet that flushes with rainwater saves on the use of clean drinking water. The waste water from the toilets is treated on site.

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Wastewater treatment

In 2015, Novotel in Antwerp-North opted for purification of all their wastewater by means of a phytoair (aerated helophyte filter).

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Wastewater treatment

Camping 't Hof Bellewaerde has had a phytoparking installed by Rietland that purifies black (32m2) and gray (44m2) waste water separately.


Water Saving Shower Heads

Everyone flushes 130 liters of dirty water every day. This water disappears through the toilet, sink and shower drain. Water is saved by means of, among other things, water-saving shower heads.


Water savings

The London Heathrow Marriott saved 1.7 million litres water per year by opting for an on-site laundry

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Water supply and wastewater purification

Drinking water from purified wastewater? The restaurant Gust’eaux in Kuurne (Belgium) partnered with BOSAQ, Tuincreatie Igodt, Vlakwa and Ghent University to establish a world-first(!). The restaurant provided its visitors with high-quality drinking water, produced from their own wastewater using state-of-the-art technology.


Working with water

Example of four types of solutions: for water shortage and surplus, for residual streams, environmentally unfriendly materials and the awareness and involvement of the guest.