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Minister Cora van Nieuwenhuizen (Infrastructure and Public Works) commissioned a study on the spread of legionellosis in biological water treatment plants. She is aware of this because of the increased spread of the bacteria in North Brabant
"Direct distribution over a greater distance of such a biological treatment plant had not yet been demonstrated, "she wrote to the House of Representatives. Because this was unknown, the regulation does not contain any requirements for these plants.
Acute infection
Risk is present as far as known, in particular "if facilities in which aeration of hot water is not covered". The minister will examine what new requirements should be imposed on biological water treatment plants. Legionella can cause an acute infection of the respiratory tract
More risky facilities
There are more than 200 biological treatment plants. Here, industrial wastewater is purified with the help of bacteria. No serious problem is known concerning the public services concerned – apart from the two known cases of Boxtel and Son in Brabant. One seeks to know if there are even more risky facilities
"The diffusion could have been avoided"
A little earlier, ZEMBLA had revealed that there existed international scientific information likely to Prevent the spread of legionella bacteria in Son water treatment plants in Boxtel. . The GGDs Hart of Brabant and Brabant-Zuidoost neglected this information during the investigation of the sources. A total of 22 people have been infected near the facilities of Son en Boxtel in recent years
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Source: ANP
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