{"id":30238,"date":"2026-05-22T08:36:00","date_gmt":"2026-05-22T06:36:00","guid":{"rendered":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/?p=30238"},"modified":"2026-05-22T10:04:16","modified_gmt":"2026-05-22T08:04:16","slug":"la-nappe-de-la-crau-dans-une-periode-charniere","status":"publish","type":"post","link":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/2026\/05\/22\/la-nappe-de-la-crau-dans-une-periode-charniere\/","title":{"rendered":"La nappe de La Crau \u00ab&nbsp;dans une p\u00e9riode charni\u00e8re&nbsp;\u00bb"},"content":{"rendered":"<div class=\"paragraph\">\n<p>Philippe L\u00e9andri entame son mandat de pr\u00e9sident du Symcrau \u00ab\u00a0<i>dans une p\u00e9riode charni\u00e8re<\/i><i>\u00a0<\/i>\u00bb pour la nappe phr\u00e9atique. Le maire de Grans (DVD), qui succ\u00e8de \u00e0 C\u00e9line Tramontin, affirme\u00a0: \u00ab\u00a0<i>On est face \u00e0 des d\u00e9fis contemporains<\/i>.\u00a0\u00bb<\/p>\n<p>Il en distingue trois. Le changement climatique, d\u2019abord. <br \/>\u00ab\u00a0<i>Un certain nombre d\u2019\u00e9tudes nous laissent envisager qu\u2019en 2050, il va nous manquer 90<\/i><i>\u00a0<\/i><i>millions de m<\/i><i><sup>3<\/sup><\/i><i> d\u2019eau, avec des r\u00e9percussions sur nos forages.<\/i><i>\u00a0<\/i>\u00bb Les premiers concern\u00e9s seraient de Port-Saint-Louis-du-Rh\u00f4ne, de Mas Thibert et de Saint-Hippolyte, qui alimente l\u2019agglom\u00e9ration arl\u00e9sienne.<\/p>\n<p>Actuellement, 75\u00a0millions de\u00a0m<sup>3<\/sup> sont pr\u00e9lev\u00e9s chaque ann\u00e9e dans la nappe pour alimenter 300\u00a0000\u00a0foyers en eau potable (39% de son usage), mais aussi les activit\u00e9s industrielles et militaires (24%) et l\u2019agriculture (36%). Une quantit\u00e9 sup\u00e9rieure \u00e0 \u00ab\u00a0<i>ce que la pluie va amener naturellement<\/i><i>\u00a0<\/i>\u00bb, d\u00e9taille la directrice du Symcrau Charlotte Alcazar. Si la nappe r\u00e9ussit cet exploit, c\u2019est qu\u2019elle est approvisionn\u00e9e par un transfert d\u2019eau de la Durance \u2013 qui alimente par ailleurs l\u2019ensemble des usagers de trois d\u00e9partements et les centrales hydro\u00e9lectriques d\u2019EDF \u2013, elle-m\u00eame affect\u00e9e par le changement climatique. \u00ab\u00a0<i>Si on n\u2019avait pas le transfert d\u2019eau, la nappe figurerait parmi les plus surexploit\u00e9es d\u2019Europe, <\/i>poursuit Charlotte Alcazar<i>. (&#8230;) \u00c9conomiser l\u2019eau, c\u2019est aussi garantir une certaine souverainet\u00e9 de La Crau.<\/i><i>\u00a0<\/i>\u00bb<\/p>\n<p>Le deuxi\u00e8me d\u00e9fi concerne la fragilit\u00e9 du mod\u00e8le, qui repose sur des canaux qui \u00ab\u00a0<i>commencent \u00e0 \u00eatre dans un \u00e9tat insuffisant<\/i><i>\u00a0<\/i>\u00bb, d\u00e9veloppe Philippe L\u00e9andri. Leur entretien, au co\u00fbt \u00e9lev\u00e9 repose \u00ab\u00a0<i>sur 325 exploitations agricoles<\/i><i>\u00a0<\/i>\u00bb qui produisent du foin de Crau, pr\u00e9cise la directrice du Symcrau. \u00ab\u00a0<i>Aujourd\u2019hui, ce secteur est en crise<\/i><i>\u00a0<\/i>\u00bb, reprend le pr\u00e9sident.<\/p>\n<p>La pression de l\u2019am\u00e9nagement, enfin, constitue le troisi\u00e8me d\u00e9fi. \u00ab\u00a0<i>Entre la d\u00e9carbonation de notre industrie, l\u2019implantation d\u2019un certain nombre d\u2019entreprises et l\u2019arriv\u00e9e de nouveaux particuliers, on doit s\u00e9curiser, moderniser nos r\u00e9seaux en restant avec un co\u00fbt de l\u2019eau abordable pour tous<\/i>.\u00a0\u00bb Mis en place l\u2019an dernier, un Sch\u00e9ma d\u2019am\u00e9nagement et de gestion des eaux \u00e9crit par la Commission locale de l\u2019eau a pour objectif d\u2019innover pour avoir une charge financi\u00e8re supportable et r\u00e9partie et de \u00ab\u00a0<i>faire mieux avec moins d\u2019eau<\/i><i>\u00a0<\/i>\u00bb.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"Philippe L&eacute;andri entame son mandat de pr&eacute;sident du Symcrau &laquo;&nbsp;dans une p&eacute;riode charni&egrave;re&nbsp;&raquo; pour la nappe phr&eacute;atique. Le maire de Grans (DVD), qui succ&egrave;de &agrave; C&eacute;line &#8230;","protected":false},"author":1,"featured_media":30239,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[333],"tags":[3577,10,207,485,309,471,4179],"news-destination":[],"news-source":[475],"is_homepage":[],"ta_other":[],"class_list":["post-30238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environnement","tag-activites-industrielles","tag-bouches-du-rhone","tag-changement-climatique","tag-decarbonation","tag-eau","tag-eau-potable","tag-grans","news-source-website"],"_links":{"self":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/30238","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=30238"}],"version-history":[{"count":1,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/30238\/revisions"}],"predecessor-version":[{"id":30240,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/30238\/revisions\/30240"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media\/30239"}],"wp:attachment":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media?parent=30238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/categories?post=30238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/tags?post=30238"},{"taxonomy":"news-destination","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-destination?post=30238"},{"taxonomy":"news-source","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-source?post=30238"},{"taxonomy":"is_homepage","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/is_homepage?post=30238"},{"taxonomy":"ta_other","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/ta_other?post=30238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}