{"id":34214,"date":"2026-06-26T06:59:00","date_gmt":"2026-06-26T04:59:00","guid":{"rendered":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/?p=34214"},"modified":"2026-06-26T12:22:54","modified_gmt":"2026-06-26T10:22:54","slug":"pfas-la-metropole-batit-un-reseau-deau-potable-securise","status":"publish","type":"post","link":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/2026\/06\/26\/pfas-la-metropole-batit-un-reseau-deau-potable-securise\/","title":{"rendered":"PFAS&nbsp;: la M\u00e9tropole b\u00e2tit un r\u00e9seau d\u2019eau potable s\u00e9curis\u00e9"},"content":{"rendered":"<div class=\"paragraph\">\n<p>\u00ab <i>L<\/i><i>a M\u00e9tropole a une strat\u00e9gie globale<\/i><i>\u00a0<\/i>\u00bb, assure Nathalie Perrin, directrice du p\u00f4le protection du cycle de l\u2019eau. Apr\u00e8s avoir investi un million d\u2019euros pour permettre \u00e0 la commune de Fos-sur-Mer de changer de forage, apr\u00e8s qu\u2019une contamination aux polluants \u00e9ternels y a \u00e9t\u00e9 d\u00e9tect\u00e9e par l\u2019ARS en f\u00e9vrier<i>\u00a0<\/i>2025, l\u2019instance, en charge la production et de la distribution de l\u2019eau potable sur les 92<i>\u00a0<\/i>communes de son p\u00e9rim\u00e8tre, dresse les grandes lignes d\u2019un plan \u00e0 long terme.<\/p>\n<p>Des interconnexions sont pr\u00e9vues entre les communes d\u2019Istres et Fos-sur-Mer, de Fos-sur-Mer et Port-Saint-Louis-du-Rh\u00f4ne et de l\u2019usine du Ranquet et les r\u00e9seaux istr\u00e9ens. Marc Fernandez estime que ces travaux pourront \u00eatre r\u00e9alis\u00e9s \u00ab<i>\u00a0<\/i><i>d\u2019ici 1<\/i><i>\u00a0<\/i><i>an et demi \u00e0 trois<\/i><i>\u00a0<\/i><i>ans<\/i><i>\u00a0<\/i>\u00bb. \u00ab<i>\u00a0<\/i><i>I<\/i><i>stres\/Fos devrait \u00eatre assez rapide<\/i><i>\u00a0<\/i><i>: on a des canalisations au bon diam\u00e8tre, dans des zones sans difficult\u00e9<\/i> <i>qui permettent d\u2019alimenter Fos. Idem pour l\u2019usine du Ranquet et Istres. Entre Fos et Port-Saint-Louis, en revanche, \u00e7a va \u00eatre plus long parce que le lin\u00e9aire est plus important et qu\u2019on va traverser des pipes et des n\u0153uds routiers<\/i>.<i>\u00a0<\/i>\u00bb<\/p>\n<\/p><\/div>\n<div class=\"intext\"> Un r\u00e9seau s\u00e9curis\u00e9\n              <\/div>\n<div class=\"paragraph\">\n<p>\u00c0 moyen terme, la M\u00e9tropole envisage de construire une usine de traitement des PFAS au nord de la zone d\u2019activit\u00e9s de Lavalduc, \u00ab<i>\u00a0<\/i><i>au croisement de toutes les interconnexions<\/i><i>\u00a0<\/i>\u00bb. L\u2019unit\u00e9 de filtration du Ranquet, qui se nourrit de la Durance et alimente aujourd\u2019hui Port-de-Bouc, Saint-Mitre-les-Remparts et Martigues, devrait voir sa capacit\u00e9 de production augmenter \u00ab<i>\u00a0<\/i><i>pour faire face aux besoins croissants mais aussi pour pouvoir prendre le relais en cas de probl\u00e8me sur les forages des autres communes voisines, et passer de l\u2019eau de la nappe phr\u00e9atique \u00e0 de l\u2019eau de surface<\/i><i>\u00a0<\/i>\u00bb. Cette double s\u00e9curisation est inscrite dans le Sch\u00e9ma directeur m\u00e9tropolitain de l\u2019eau potable vot\u00e9 par les \u00e9lus fin<i> <\/i>2024.<\/p>\n<p>Dans plus de dix ans, Martigues sera \u00e9galement raccord\u00e9 au complexe des Giraudets, aliment\u00e9 par le canal de Marseille, dont l\u2019usine se situe aux Pennes-Mirabeau. \u00ab<i>\u00a0<\/i><i>Il va falloir redimensionner les r\u00e9seaux dans la commune pour apporter le d\u00e9bit n\u00e9cessaire et alimenter les autres communes, ce sont des travaux lourds.<\/i><i>\u00a0<\/i>\u00bb Au total, plusieurs dizaines de millions d\u2019euros devraient permettre d\u2019interconnecter diff\u00e9rents r\u00e9seaux de distribution pour permettre un aiguillage de l\u2019eau en cas de probl\u00e8me, mais aussi l\u2019av\u00e8nement d\u2019une nouvelle usine de filtration.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"&laquo; La M&eacute;tropole a une strat&eacute;gie globale&nbsp;&raquo;, assure Nathalie Perrin, directrice du p&ocirc;le protection du cycle de l&rsquo;eau. Apr&egrave;s avoir investi un million d&rsquo;euros pour permettre &agrave; la commune de &#8230;","protected":false},"author":1,"featured_media":34215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3926,3924,333,20],"tags":[10,2715,212,309,2375,482,460,2920,2771,166],"news-destination":[3944],"news-source":[475],"is_homepage":[],"ta_other":[],"class_list":["post-34214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-accueil-merge","category-accueil-second","category-environnement","category-societe","tag-bouches-du-rhone","tag-contamination","tag-distribution","tag-eau","tag-forage","tag-fos-sur-mer","tag-polluants-eternels","tag-ressource-en-eau","tag-traitement","tag-travaux","news-destination-homepage","news-source-website"],"_links":{"self":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/34214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/comments?post=34214"}],"version-history":[{"count":1,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/34214\/revisions"}],"predecessor-version":[{"id":34216,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/34214\/revisions\/34216"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media\/34215"}],"wp:attachment":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media?parent=34214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/categories?post=34214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/tags?post=34214"},{"taxonomy":"news-destination","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-destination?post=34214"},{"taxonomy":"news-source","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-source?post=34214"},{"taxonomy":"is_homepage","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/is_homepage?post=34214"},{"taxonomy":"ta_other","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/ta_other?post=34214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}