{"id":149535,"date":"2026-02-17T11:32:57","date_gmt":"2026-02-17T10:32:57","guid":{"rendered":"https:\/\/www.immo-invest.ch\/riet-ii-macht-die-versorgung-krisenfester\/"},"modified":"2026-02-17T11:39:52","modified_gmt":"2026-02-17T10:39:52","slug":"riet-ii-macht-die-versorgung-krisenfester","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/riet-ii-macht-die-versorgung-krisenfester\/","title":{"rendered":"Riet II rend l&rsquo;approvisionnement plus r\u00e9sistant aux crises"},"content":{"rendered":"<p class=\"wp-block-paragraph\">La r&eacute;gion de Saint-Gall pr&eacute;pare son approvisionnement en eau potable pour les d&eacute;cennies &agrave; venir. Avec la d&eacute;cision de construire la nouvelle usine d&rsquo;eau du lac Riet II &agrave; Goldach, l&rsquo;usine existante de Frasnacht se voit dot&eacute;e d&rsquo;un deuxi&egrave;me pilier de m&ecirc;me valeur. Aujourd&rsquo;hui, en cas d&rsquo;urgence, l&rsquo;approvisionnement des douze communes de Suisse orientale concern&eacute;es d&eacute;pend essentiellement de cette unique source d&rsquo;approvisionnement. Un risque qui ne r&eacute;pond plus aux exigences du droit f&eacute;d&eacute;ral en cas de graves p&eacute;nuries. Riet II doit pr&eacute;cis&eacute;ment combler cette lacune et garantir l&rsquo;approvisionnement m&ecirc;me si une installation tombe en panne ou si l&rsquo;utilisation du lac de Constance est temporairement limit&eacute;e.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">La nouvelle usine sera r&eacute;alis&eacute;e sur le site de la station de pompage haute pression Riet existante &agrave; Goldach. La construction et l&rsquo;&eacute;quipement sont estim&eacute;s &agrave; environ 60 millions de francs. Les co&ucirc;ts sont support&eacute;s par les douze partenaires actionnaires de la RWSG Regionale Wasserversorgung St.Gallen AG selon un nouveau mod&egrave;le de r&eacute;partition qui sera &agrave; l&rsquo;avenir r&eacute;percut&eacute; sur le prix de l&rsquo;eau pour les clients finaux. Le fait que toutes les communes partenaires soutiennent unanimement le projet et son financement montre l&rsquo;importance strat&eacute;gique &eacute;lev&eacute;e : l&rsquo;eau potable est trait&eacute;e comme une infrastructure critique qui doit fonctionner de mani&egrave;re aussi robuste en cas de crise qu&rsquo;au quotidien.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Avec Riet II, la RWSG renforce son r&ocirc;le de colonne vert&eacute;brale de l&rsquo;infrastructure r&eacute;gionale de l&rsquo;eau. Elle est responsable du captage de l&rsquo;eau brute, de son traitement et de son transport vers les r&eacute;seaux des communes et approvisionne plus de 150 000 personnes en eau potable, industrielle et d&rsquo;extinction. A l&rsquo;avenir, elle exploitera deux stations d&rsquo;eau du lac, Frasnacht et Goldach, ainsi que la station de pompage haute pression de Riet et les conduites de transport correspondantes. Les centres urbains comme Saint-Gall et Arbon en profiteront, tout comme les petites communes partenaires d&rsquo;Abtwil-St.Josefen &agrave; Teufen. La nouvelle usine est donc plus qu&rsquo;un projet de construction : c&rsquo;est une promesse de s&eacute;curit&eacute; &agrave; long terme pour toute une r&eacute;gion.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Avec Riet II, une deuxi\u00e8me usine de production d&rsquo;eau du lac pour la r\u00e9gion de Saint-Gall est en cours de construction \u00e0 Goldach. D\u00e8s 2029, elle formera avec Frasnacht un double syst\u00e8me robuste et assurera l&rsquo;approvisionnement en eau potable de plus de 150 000 personnes, m\u00eame en situation d&rsquo;urgence.<\/p>\n","protected":false},"author":2,"featured_media":149536,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[8747,56027,739,55991,22438],"tags":[872,3931,48888,2002,57233,55467],"class_list":["post-149535","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energie","category-planification-developpement","category-projects","category-quartiers-zones","category-trends-fr","tag-immoinvest-fr","tag-immonews-fr","tag-infrastrukturprojekt-fr","tag-news-fr","tag-seewasserwerk","tag-trinkwasserversorgung","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":"","lead":"Avec Riet II, une deuxi\u00e8me usine de production d'eau du lac pour la r\u00e9gion de Saint-Gall est en cours de construction \u00e0 Goldach. D\u00e8s 2029, elle formera avec Frasnacht un double syst\u00e8me robuste et assurera l'approvisionnement en eau potable de plus de 150 000 personnes, m\u00eame en situation d'urgence.","autor":"Quelle: St. Gallen","ort":"","bildunterschrift":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Avec Riet II, une deuxi\u00e8me usine de production d&#039;eau du lac pour la r\u00e9gion de Saint-Gall est en cours de construction \u00e0 Goldach. D\u00e8s 2029, elle formera avec Frasnacht un double syst\u00e8me robuste et assurera l&#039;approvisionnement en eau potable de plus de 150 000 personnes, m\u00eame en situation d&#039;urgence.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"immovestuser\"\/>\n\t<meta name=\"google-site-verification\" content=\"fHJKvgWpZCR2zVBHWfkQeFXC11qieUSff0HGNYfuyLA\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.immo-invest.ch\/fr\/riet-ii-macht-die-versorgung-krisenfester\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien - Die\u00a0Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Riet II rend l\u2019approvisionnement plus r\u00e9sistant aux crises - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:description\" content=\"Avec Riet II, une deuxi\u00e8me usine de production d&#039;eau du lac pour la r\u00e9gion de Saint-Gall est en cours de construction \u00e0 Goldach. 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