{"id":206,"date":"2025-05-15T00:32:50","date_gmt":"2025-05-14T22:32:50","guid":{"rendered":"http:\/\/sw-themes.com\/porto_dummy\/?p=206"},"modified":"2025-07-24T12:38:25","modified_gmt":"2025-07-24T10:38:25","slug":"gestion-du-risque-legionelles-dans-les-installations-deau-chaude-sanitaire","status":"publish","type":"post","link":"https:\/\/acquaprocess.eu\/it\/blog\/gestion-du-risque-legionelles-dans-les-installations-deau-chaude-sanitaire\/","title":{"rendered":"Gestione del rischio legionella negli impianti di acqua calda sanitaria"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row row top-row wpb_custom_034b39d9bc6c6b310d69e39f0ccf274f\"><div class=\"vc_column_container col-md-12\"><div class=\"wpb_wrapper vc_column-inner\">\r\n\t<div class=\"wpb_text_column wpb_content_element wpb_custom_7c91d232724f73626cc933bd95b25ff0\" >\r\n\t\t<div class=\"wpb_wrapper\">\r\n\t\t\t<h1>Gestione del rischio legionella negli impianti di acqua calda sanitaria<\/h1>\n<h2>Comprendre la l\u00e9gionellose<\/h2>\n<p>La <strong>l\u00e9gionellose<\/strong> est une infection pulmonaire grave caus\u00e9e par l\u2019inhalation de micro-gouttelettes d\u2019eau contamin\u00e9e par des bact\u00e9ries comme la <strong>Legionella pneumophila<\/strong>. Ces bact\u00e9ries se d\u00e9veloppent naturellement dans les milieux aquatiques et prolif\u00e8rent dans les installations d\u2019eau chaude sanitaire lorsque la temp\u00e9rature est comprise entre 25 et 45\u00b0C.<\/p>\n<h3>Caract\u00e9ristiques principales :<\/h3>\n<ul>\n<li>Transmission par inhalation d\u2019a\u00e9rosols contamin\u00e9s (douches, brumisateurs, etc.).<\/li>\n<li>Taux de mortalit\u00e9 d\u2019environ 12 %, touchant principalement les personnes \u00e2g\u00e9es ou immunod\u00e9prim\u00e9es.<\/li>\n<li>D\u00e9claration obligatoire des cas \u00e0 l\u2019Agence R\u00e9gionale de Sant\u00e9 (ARS), qui m\u00e8ne une enqu\u00eate pour identifier la source de contamination.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.santepubliquefrance.fr\/maladies-et-traumatismes\/maladies-a-transmission-hydrique\/legionellose\">https:\/\/www.santepubliquefrance.fr\/maladies-et-traumatismes\/maladies-a-transmission-hydrique\/legionellose<\/a><br \/>\n<a href=\"https:\/\/solidarites-sante.gouv.fr\/prevention-en-sante\/environnement-sante\/eaux\/article\/la-legionellose\">https:\/\/solidarites-sante.gouv.fr\/prevention-en-sante\/environnement-sante\/eaux\/article\/la-legionellose<\/a><br \/>\n<a href=\"https:\/\/www.inrs.fr\/risques\/legionellose\/ce-qu-il-faut-retenir.html\">https:\/\/www.inrs.fr\/risques\/legionellose\/ce-qu-il-faut-retenir.html<\/a><\/p>\n<h2>R\u00e9glementation applicable<\/h2>\n<p><strong>Arr\u00eat\u00e9 du 30 novembre 2005 modifiant l\u2019arr\u00eat\u00e9 du 23 juin 1978<\/strong><\/p>\n<p>Cet arr\u00eat\u00e9 fixe les exigences techniques pour pr\u00e9venir la prolif\u00e9ration des l\u00e9gionelles dans les installations d\u2019eau chaude sanitaire des b\u00e2timents d\u2019habitation, des locaux de travail et des \u00e9tablissements recevant du public (ERP).<\/p>\n<h3>Principales dispositions :<\/h3>\n<ul>\n<li>Temp\u00e9rature minimale de l\u2019eau : sup\u00e9rieure ou \u00e9gale \u00e0 50\u00b0C en tout point du syst\u00e8me de distribution, sauf pour les tubes finaux d\u2019alimentation des points de puisage, dont le volume doit \u00eatre inf\u00e9rieur ou \u00e9gal \u00e0 3 litres.<\/li>\n<li>Temp\u00e9rature maximale de l\u2019eau aux points de puisage :<br \/>\n\u25cb 50\u00b0C dans les pi\u00e8ces destin\u00e9es \u00e0 la toilette.<br \/>\n\u25cb 60\u00b0C dans les autres pi\u00e8ces.<br \/>\n\u25cb 90\u00b0C dans les cuisines et buanderies des ERP, avec signalisation particuli\u00e8re.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.legifrance.gouv.fr\/jorf\/id\/JORFTEXT000000446810\">https:\/\/www.legifrance.gouv.fr\/jorf\/id\/JORFTEXT000000446810<\/a><br \/>\n<a href=\"https:\/\/www.legifrance.gouv.fr\/jorf\/id\/JORFTEXT000000877365\">https:\/\/www.legifrance.gouv.fr\/jorf\/id\/JORFTEXT000000877365<\/a><\/p>\n<p><strong>Arr\u00eat\u00e9 du 1er f\u00e9vrier 2010 relatif \u00e0 la surveillance des l\u00e9gionelles<\/strong><\/p>\n<p>Cet arr\u00eat\u00e9 pr\u00e9cise les modalit\u00e9s de surveillance des l\u00e9gionelles dans les installations de production, de stockage et de distribution d\u2019eau chaude sanitaire.<\/p>\n<h3>Obligations de surveillance :<\/h3>\n<ul>\n<li>Analyses de l\u2019eau (au minimum une fois par an) aux points suivants :<br \/>\n\u25cb Retour de boucle.<br \/>\n\u25cb Fond de ballon.<br \/>\n\u25cb Points de puisage \u00e0 risque.<br \/>\n\u25cb Syst\u00e8mes collectifs de brumisation d\u2019eau (tous les deux ans).<\/li>\n<li>Contr\u00f4le mensuel des temp\u00e9ratures de l\u2019eau chaude sanitaire :<br \/>\n\u25cb En tout point de la boucle de distribution.<br \/>\n\u25cb Au point de puisage \u00e0 risque ou le plus \u00e9loign\u00e9.<\/li>\n<\/ul>\n<p>En cas d\u2019inutilisation prolong\u00e9e des r\u00e9seaux d\u2019eau chaude sanitaire, des pr\u00e9l\u00e8vements pour l\u2019analyse de l\u00e9gionelles doivent \u00eatre r\u00e9alis\u00e9s apr\u00e8s la purge des r\u00e9seaux et dans les deux semaines pr\u00e9c\u00e9dant l\u2019accueil du public.<\/p>\n<h3>Tra\u00e7abilit\u00e9 :<\/h3>\n<p>Les modalit\u00e9s et r\u00e9sultats de la surveillance doivent \u00eatre consign\u00e9s dans un fichier sanitaire des installations, tenu \u00e0 disposition des autorit\u00e9s sanitaires.<\/p>\n<p><a href=\"https:\/\/www.legifrance.gouv.fr\/jorf\/id\/JORFTEXT000021731624\">https:\/\/www.legifrance.gouv.fr\/jorf\/id\/JORFTEXT000021731624<\/a><\/p>\n<h2>Gestion des points de puisage \u00e0 risque<\/h2>\n<p>Les points de puisage \u00e0 risque sont ceux susceptibles d\u2019engendrer l\u2019exposition d\u2019une ou plusieurs personnes \u00e0 un a\u00e9rosol d\u2019eau, notamment les douches.<\/p>\n<p>En compl\u00e9ment des mesures \u00e9voqu\u00e9es dans l\u2019arr\u00eat\u00e9 du 1er f\u00e9vrier 2010, il nous para\u00eet important de souligner ici que les points de puisage qui ne sont pas utilis\u00e9s de mani\u00e8re r\u00e9guli\u00e8re (ex : douche de gymnase\u2026) doivent faire l\u2019objet d\u2019une attention particuli\u00e8re. En effet, m\u00eame s\u2019ils repr\u00e9sentent potentiellement un bras mort de moins de 3 litres, nous conseillons de les chasser r\u00e9guli\u00e8rement pour \u00e9viter toute prolif\u00e9ration bact\u00e9rienne.<\/p>\n<p><a href=\"https:\/\/www.cstb.fr\/pdf\/legionelles.pdf\">https:\/\/www.cstb.fr\/pdf\/legionelles.pdf<\/a><br \/>\n<a href=\"https:\/\/solidarites-sante.gouv.fr\/IMG\/pdf\/Guide_legionelles_version_finale_2013.pdf\">https:\/\/solidarites-sante.gouv.fr\/IMG\/pdf\/Guide_legionelles_version_finale_2013.pdf<\/a><\/p>\n<h3>Responsabilit\u00e9s p\u00e9nales<\/h3>\n<p>Le responsable des installations (propri\u00e9taire, directeur de l\u2019\u00e9tablissement ou exploitant si responsabilit\u00e9 contractuellement d\u00e9l\u00e9gu\u00e9e) est p\u00e9nalement responsable du respect de ces obligations.<\/p>\n<p><a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006417930\">https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006417930<\/a><br \/>\n<a href=\"https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006417926\">https:\/\/www.legifrance.gouv.fr\/codes\/article_lc\/LEGIARTI000006417926<\/a><\/p>\n<h2>Gestion du tartre<\/h2>\n<p>Bien qu\u2019il n\u2019existe pas de r\u00e9glementation sp\u00e9cifique au traitement du tartre, il est recommand\u00e9 de :<\/p>\n<ul>\n<li>Assurer un entretien r\u00e9gulier des installations, incluant le d\u00e9tartrage des ballons de stockage.<\/li>\n<li>Lutter contre l\u2019entartrage et la corrosion des r\u00e9seaux de distribution.<\/li>\n<li>Nettoyer, d\u00e9tartrer et d\u00e9sinfecter les points de puisage, en changeant \u00e9ventuellement les parties terminales (mousseur sur robinet, pommeau, flexible).<\/li>\n<\/ul>\n<p>Ces actions contribuent \u00e0 r\u00e9duire le risque de d\u00e9veloppement des <strong>legionella<\/strong>, le calcaire favorisant leur prolif\u00e9ration.<\/p>\n<p><a href=\"https:\/\/www.anses.fr\/fr\/system\/files\/EAUX2009sa0087Ra.pdf\">https:\/\/www.anses.fr\/fr\/system\/files\/EAUX2009sa0087Ra.pdf<\/a><br \/>\n<a href=\"https:\/\/solidarites-sante.gouv.fr\/IMG\/pdf\/Guide_legionelles_version_finale_2013.pdf\">https:\/\/solidarites-sante.gouv.fr\/IMG\/pdf\/Guide_legionelles_version_finale_2013.pdf<\/a><\/p>\n\r\n\t\t<\/div>\r\n\t<\/div>\r\n<\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>La l\u00e9gionellose est une infection pulmonaire grave caus\u00e9e par l&rsquo;inhalation de micro-gouttelettes d&rsquo;eau contamin\u00e9e par des bact\u00e9ries comme la Legionella pneumophila.<\/p>","protected":false},"author":2,"featured_media":841,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[27],"class_list":["post-206","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bacteries","tag-legionelles"],"featured_image_src":{"landsacpe":["https:\/\/acquaprocess.eu\/wp-content\/uploads\/2020\/07\/gestion-legionelles-700x445.jpg",700,445,true],"list":["https:\/\/acquaprocess.eu\/wp-content\/uploads\/2020\/07\/gestion-legionelles-463x348.jpg",463,348,true],"medium":["https:\/\/acquaprocess.eu\/wp-content\/uploads\/2020\/07\/gestion-legionelles-300x214.jpg",300,214,true],"full":["https:\/\/acquaprocess.eu\/wp-content\/uploads\/2020\/07\/gestion-legionelles.jpg",700,500,false]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gestions 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