Allgemein anerkannte Regeln der Technik und Legionellen im Trinkwasser

Abstract

To investigate the association between the engineering standards of drinking water systems and the extent of the Legionella colonization, we subjected our 2006 published data of the drinking water monitoring of the city's public health services for Frankfurt on Main, Germany, to closer analysis. A total of 413 records were available, with both technical data and results of the Legionella colonization. When comparing the classes of technical deficiencies of the drinking water installations with the Legionella colonization results, 93% of the Legionella data "not dedectable in 100 ml" were found in the group of drinking water installations that were technically assessed as "free of deficiencies". Thus, "good" technical engineering is associated with low or lack of Legionella colonization with a high probability even with hints for a dose-effect phenomenon-the more engineering deficiencies that exist, the higher the Legionella contamination.

Can mandatory monitoring in rental apartments effectively prevent legionellosis? A retrospective analysis of data from Regensburg with a review of the literature

“…The literature provided evidence that exposure to private home showering cannot be causally linked to legionella diseases on principle [ 20 ], [ 21 ]. The (historical) derivation of the TMW is understandable [ 2 ] to some extent but not empirically proven, and probably also not verifiable [ 22 ], [ 23 ], [ 24 ]. Thus, relevance of the TMW in terms of infection and hygiene remains unclear.…”