{"id":2707,"date":"2025-11-27T16:01:50","date_gmt":"2025-11-27T15:01:50","guid":{"rendered":"https:\/\/eptb-lez.fr\/?page_id=2707"},"modified":"2026-02-26T15:06:19","modified_gmt":"2026-02-26T14:06:19","slug":"ressources-en-eau","status":"publish","type":"page","link":"https:\/\/eptb-lez.fr\/index.php\/ressources-en-eau\/","title":{"rendered":"Ressources en eau"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2707\" class=\"elementor elementor-2707\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-29ac66c e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent\" data-id=\"29ac66c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f784901 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent\" data-id=\"f784901\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a851306 e-con-full e-transform e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"a851306\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_transform_translateY_effect&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:-120,&quot;sizes&quot;:[]},&quot;_ha_eqh_enable&quot;:false,&quot;_transform_translateX_effect&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_laptop&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_laptop&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ac46e6 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"2ac46e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Ressources en eau<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff53208 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"ff53208\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le climat m\u00e9diterran\u00e9en du territoire est marqu\u00e9 par des pr\u00e9cipitations moyennes irr\u00e9guli\u00e8rement r\u00e9parties dans le temps, qui se concentrent en d\u2019importants orages c\u00e9venols, \u00e0 l\u2019automne apr\u00e8s un \u00e9t\u00e9 tr\u00e8s sec.<\/span><\/p><p><span style=\"font-weight: 400;\">Sous l\u2019influence de ce climat, le r\u00e9gime des cours d\u2019eau est caract\u00e9ris\u00e9 par deux ph\u00e9nom\u00e8nes oppos\u00e9s : des crues violentes et rapides et des \u00e9tiages (p\u00e9riodes de basses eaux) tr\u00e8s marqu\u00e9s. Ainsi, de nombreux cours d\u2019eau sont temporaires sur le bassin versant ou pr\u00e9sentent un faible d\u00e9bit une majeure partie de l\u2019ann\u00e9e. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-171160a elementor-absolute elementor-hidden-mobile elementor-invisible elementor-widget elementor-widget-image\" data-id=\"171160a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;,&quot;_animation&quot;:&quot;fadeInDown&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"176\" height=\"464\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche.png\" class=\"attachment-medium_large size-medium_large wp-image-1293\" alt=\"fl\u00e8che\" srcset=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche.png 176w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche-114x300.png 114w\" sizes=\"(max-width: 176px) 100vw, 176px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d64ac0f e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent\" data-id=\"d64ac0f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-983a87e e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"983a87e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-733713a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"733713a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">La g\u00e9ologie du bassin est caract\u00e9ris\u00e9e par la pr\u00e9sence de massifs calcaires jurassiques karstifi\u00e9s.<\/span><\/p><p><span style=\"font-weight: 400;\">Ces aquif\u00e8res karstiques alimentent une multitude de r\u00e9surgences sur le bassin versant ; les principales \u00e9tant la Source du Lez \u00e0 Saint-Cl\u00e9ment-de-Rivi\u00e8re (r\u00e9surgence du Karst Lez) et la Source de l\u2019Avy \u00e0 Grabels (r\u00e9surgence du Karst Mosson).<\/span><\/p><p><span style=\"font-weight: 400;\">Les ressources en eau provenant des cours d\u2019eau et des nappes souterraines sont n\u00e9cessaires au bon fonctionnement des \u00e9cosyst\u00e8mes aquatiques. Elles sont \u00e9galement exploit\u00e9es par l\u2019homme pour la production d\u2019eau potable, l\u2019irrigation agricole et non agricole, les usages industriels, la navigation, les activit\u00e9s r\u00e9cr\u00e9atives\u2026<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa0319f elementor-widget elementor-widget-image\" data-id=\"aa0319f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/source-de-lAvy-Grabels-1024x768.jpg\" class=\"attachment-large size-large wp-image-2709\" alt=\"\" srcset=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/source-de-lAvy-Grabels-1024x768.jpg 1024w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/source-de-lAvy-Grabels-300x225.jpg 300w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/source-de-lAvy-Grabels-768x576.jpg 768w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/source-de-lAvy-Grabels-1536x1152.jpg 1536w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/source-de-lAvy-Grabels-2048x1536.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-24f4e2e e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"24f4e2e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9a741a9 elementor-widget elementor-widget-image\" data-id=\"9a741a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"598\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/photo-secheresse-1024x766.jpg\" class=\"attachment-large size-large wp-image-2716\" alt=\"\" srcset=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/photo-secheresse-1024x766.jpg 1024w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/photo-secheresse-300x224.jpg 300w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/photo-secheresse-768x575.jpg 768w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/photo-secheresse-1536x1149.jpg 1536w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/photo-secheresse-2048x1532.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-90aa881 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"90aa881\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0a5f223 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"0a5f223\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Des ressources <strong><span class=\"texte-bck-blanc\">d\u00e9ficitaires<\/span><\/strong> :<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84a6c20 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"84a6c20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Une \u00e9tude d\u2019\u00e9valuation des volumes pr\u00e9levables (EVP) men\u00e9e par l\u2019EPTB a permis, en 2016, de d\u00e9finir les besoins des milieux et les volumes disponibles pour les usages anthropiques et ainsi diagnostiquer un d\u00e9ficit hydrique quantitatif \u00e0 l\u2019\u00e9tiage des bassins versants du Lez et de la Mosson.<\/span><\/p><p><span style=\"font-weight: 400;\">Par ailleurs, l\u2019Agence de l\u2019eau Rh\u00f4ne M\u00e9diterran\u00e9e Corse a men\u00e9 une \u00e9tude similaire sur l\u2019aquif\u00e8re du karst Mosson finalis\u00e9e en 2011. Elle a permis de d\u00e9finir des volumes pr\u00e9levables et des niveaux pi\u00e9zom\u00e9triques de r\u00e9f\u00e9rence dans le compartiment sud de cet aquif\u00e8re et d\u2019identifier un manque de connaissances sur le fonctionnement du compartiment nord.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7e0c996 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"7e0c996\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-ace3ab7 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"ace3ab7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1a54eaf elementor-widget elementor-widget-heading\" data-id=\"1a54eaf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Une gestion <strong><span class=\"texte-bck-blanc\">concert\u00e9e<\/span><\/strong> :<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dedfb67 elementor-widget-laptop__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"dedfb67\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Sur la base des r\u00e9sultats de l\u2019\u00e9tude EVP, le Pr\u00e9fet de l\u2019H\u00e9rault a demand\u00e9 \u00e0 l\u2019EPTB d\u2019\u00e9laborer le Plan de Gestion de la Ressource en Eau (PGRE) pour les bassins versants du Lez et de la Mosson et pour l\u2019aquif\u00e8re du Karst Mosson, afin de r\u00e9sorber les d\u00e9ficits et de garantir une gestion \u00e9quilibr\u00e9e de la ressource en eau.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Il a \u00e9galement confirm\u00e9 le r\u00f4le strat\u00e9gique de la Commission Locale de l\u2019Eau (CLE) comme lieu de concertation entre les diff\u00e9rents acteurs du territoire (collectivit\u00e9s, agriculteurs, am\u00e9nageurs, services de l\u2019Etat, \u2026) pour l\u2019\u00e9laboration du PGRE.<\/span><\/p><p><span style=\"font-weight: 400;\">L\u2019objectif g\u00e9n\u00e9ral du PGRE est de mettre en place la gestion de la ressource en eau qui permet de garantir la satisfaction des usages, et les besoins des milieux sans avoir \u00e0 recourir \u00e0 une gestion de crise plus de 2 ann\u00e9es sur 10.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b69721 elementor-widget elementor-widget-image\" data-id=\"9b69721\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"527\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/biodiversite-1024x674.jpg\" class=\"attachment-large size-large wp-image-933\" alt=\"biodiversit\u00e9\" srcset=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/biodiversite-1024x674.jpg 1024w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/biodiversite-300x198.jpg 300w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/biodiversite-768x506.jpg 768w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/biodiversite-1536x1012.jpg 1536w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/biodiversite-2048x1349.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-901a658 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent\" data-id=\"901a658\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3b206fe e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"3b206fe\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-497d946 elementor-widget elementor-widget-image\" data-id=\"497d946\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/aulnaie_frenaie1-1024x683.jpg\" class=\"attachment-large size-large wp-image-1383\" alt=\"Aulnaie frenaie\" srcset=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/aulnaie_frenaie1-1024x683.jpg 1024w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/aulnaie_frenaie1-300x200.jpg 300w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/aulnaie_frenaie1-768x512.jpg 768w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/aulnaie_frenaie1-1536x1024.jpg 1536w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/aulnaie_frenaie1-2048x1365.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-af20160 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"af20160\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-95d91c9 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"95d91c9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c92bfc7 elementor-widget__width-initial elementor-widget-laptop__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"c92bfc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le PGRE du Lez, de la Mosson et du Karst Mosson a \u00e9t\u00e9 approuv\u00e9 par la CLE en d\u00e9cembre 2018.<\/span><\/p><p><span style=\"font-weight: 400;\">Sur la base des r\u00e9sultats techniques de l\u2019\u00e9tude EVP, il a d\u00e9fini :<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-12d2e38 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"12d2e38\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9370ca5 elementor-widget elementor-widget-image\" data-id=\"9370ca5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"41\" height=\"27\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche-texte.png\" class=\"attachment-large size-large wp-image-614\" alt=\"fl\u00e8che texte\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f80f7b elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"5f80f7b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tUn programme d\u2019actions comportant 46 actions (d\u00e9clin\u00e9es en 88 sous-actions) d\u00e9crites et rattach\u00e9es \u00e0 une ma\u00eetrise d\u2019ouvrage (collectivit\u00e9s, services de l\u2019Etat, chambre d\u2019agriculture, \u2026.)\u00a0;\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3510562 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"3510562\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6921cfa elementor-widget elementor-widget-image\" data-id=\"6921cfa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"41\" height=\"27\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche-texte.png\" class=\"attachment-large size-large wp-image-614\" alt=\"fl\u00e8che texte\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-284ba8e elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"284ba8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Un calendrier de programmation pour chaque op\u00e9ration.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c0b5375 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"c0b5375\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7efb169 elementor-widget__width-initial elementor-widget-laptop__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"7efb169\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Cette \u00e9tude est cofinanc\u00e9e par l\u2019Agence de l\u2019eau Rh\u00f4ne M\u00e9diterran\u00e9e Corse, la R\u00e9gion Occitanie, le BRGM et l\u2019EPTB Lez.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8becfd5 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"8becfd5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-6ea52f1 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"6ea52f1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-179702c elementor-hidden-mobile elementor-widget elementor-widget-image\" data-id=\"179702c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"59\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche-bleue-clair.png\" class=\"attachment-large size-large wp-image-670\" alt=\"fl\u00e8che bleue clair\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17e4ccd e-transform elementor-widget elementor-widget-text-editor\" data-id=\"17e4ccd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_transform_scale_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:1.04,&quot;sizes&quot;:[]},&quot;_transform_scale_effect_hover_laptop&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_scale_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_scale_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2025\/06\/20200720_PGRE-vDef.pdf\" target=\"_blank\" rel=\"noopener\"><span class=\"texte-bck-vert-bleu-2\">PGRE<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-738d922 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"738d922\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-904465e elementor-hidden-mobile elementor-widget elementor-widget-image\" data-id=\"904465e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"59\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche-bleue-clair.png\" class=\"attachment-large size-large wp-image-670\" alt=\"fl\u00e8che bleue clair\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21e5958 e-transform elementor-widget elementor-widget-text-editor\" data-id=\"21e5958\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_transform_scale_effect_hover&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:1.04,&quot;sizes&quot;:[]},&quot;_transform_scale_effect_hover_laptop&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_scale_effect_hover_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_scale_effect_hover_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"#link-bilan-annuel-popup\"><span class=\"texte-bck-vert-bleu-2\">BILANS ANNUELS<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-57c1e86 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent\" data-id=\"57c1e86\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-09059ff e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"09059ff\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-efe176b elementor-widget elementor-widget-text-editor\" data-id=\"efe176b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"texte-bck-green\">Focus sur des actions phares<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4356f0d e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"4356f0d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a021dfa elementor-widget elementor-widget-heading\" data-id=\"a021dfa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00e9tude hydrog\u00e9ologique du compartiment nord du karst mosson<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b08edfe e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"b08edfe\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ca19de elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"2ca19de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"759\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2026\/02\/carte_karst_mosson.png\" class=\"attachment-large size-large wp-image-3252\" alt=\"\" srcset=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2026\/02\/carte_karst_mosson.png 990w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2026\/02\/carte_karst_mosson-300x285.png 300w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2026\/02\/carte_karst_mosson-768x728.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1c01a2f e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"1c01a2f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-09654f1 elementor-widget elementor-widget-text-editor\" data-id=\"09654f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">En 2021, l\u2019EPTB Lez et le Bureau de Recherches G\u00e9ologiques et Mini\u00e8res (BRGM) ont sign\u00e9 une convention de recherche et d\u00e9veloppement partag\u00e9s pour une dur\u00e9e de 3 ans ayant pour objectifs\u00a0:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-589a32d e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"589a32d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e33e9b8 elementor-widget elementor-widget-image\" data-id=\"e33e9b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"41\" height=\"27\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche-texte.png\" class=\"attachment-large size-large wp-image-614\" alt=\"fl\u00e8che texte\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-669af1b elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"669af1b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">De d\u00e9terminer le fonctionnement hydrog\u00e9ologique de la Source de l\u2019Avy (principale r\u00e9surgence du compartiment nord du Karst Mosson),<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b08f314 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"b08f314\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-85a3352 elementor-widget elementor-widget-image\" data-id=\"85a3352\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"41\" height=\"27\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche-texte.png\" class=\"attachment-large size-large wp-image-614\" alt=\"fl\u00e8che texte\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9146fd4 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"9146fd4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">De caract\u00e9riser les relations hydrauliques entre le karst et la rivi\u00e8re Mosson,<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a7861c6 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"a7861c6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3da7553 elementor-widget elementor-widget-image\" data-id=\"3da7553\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"41\" height=\"27\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche-texte.png\" class=\"attachment-large size-large wp-image-614\" alt=\"fl\u00e8che texte\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b64e8c5 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"b64e8c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">De caract\u00e9riser les modalit\u00e9s d\u2019\u00e9changes entre les compartiments nord et sud de l\u2019aquif\u00e8re,<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0a37aca e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"0a37aca\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c1f5a84 elementor-widget elementor-widget-image\" data-id=\"c1f5a84\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"41\" height=\"27\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2024\/03\/fleche-texte.png\" class=\"attachment-large size-large wp-image-614\" alt=\"fl\u00e8che texte\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1cf061a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1cf061a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">De d\u00e9finir les niveaux pi\u00e9zom\u00e9triques de r\u00e9f\u00e9rence et les volumes pr\u00e9levables envisageables tout en pr\u00e9servant la ressource du compartiment sud. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15bdd25 elementor-widget elementor-widget-text-editor\" data-id=\"15bdd25\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Cette \u00e9tude est cofinanc\u00e9e par l\u2019Agence de l\u2019eau Rh\u00f4ne M\u00e9diterran\u00e9e Corse, la R\u00e9gion Occitanie, le BRGM et l\u2019EPTB Lez.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ee8564b e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"ee8564b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45630ed elementor-widget elementor-widget-heading\" data-id=\"45630ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Jaugeages en p\u00e9riode d'\u00e9tiage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dd30621 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-child\" data-id=\"dd30621\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d320223 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"d320223\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"634\" src=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2026\/02\/photo_jaugeage-1024x811.png\" class=\"attachment-large size-large wp-image-3254\" alt=\"\" srcset=\"https:\/\/eptb-lez.fr\/wp-content\/uploads\/2026\/02\/photo_jaugeage-1024x811.png 1024w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2026\/02\/photo_jaugeage-300x238.png 300w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2026\/02\/photo_jaugeage-768x608.png 768w, https:\/\/eptb-lez.fr\/wp-content\/uploads\/2026\/02\/photo_jaugeage.png 1076w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8648747 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"8648747\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">L\u2019EPTB Lez a fait l\u2019acquisition d\u2019un courantom\u00e8tre permettant d\u2019effectuer des jaugeages sur des cours d\u2019eau ou tron\u00e7ons de cours d\u2019eau non suivis par le r\u00e9seau de stations hydrom\u00e9triques d\u2019Etat.<\/span><\/p><p><span style=\"font-weight: 400;\">Ces mesures permettent d\u2019am\u00e9liorer la connaissance des d\u00e9bits des cours d\u2019eau en p\u00e9riode d\u2019\u00e9tiage et de moyennes eaux et ainsi affiner la gestion des ressources et les prises de d\u00e9cisions en cas de crise de s\u00e9cheresse (restrictions d\u2019usage).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Ressources en eau Le climat m\u00e9diterran\u00e9en du territoire est marqu\u00e9 par des pr\u00e9cipitations moyennes irr\u00e9guli\u00e8rement r\u00e9parties dans le temps, qui se concentrent en d\u2019importants orages c\u00e9venols, \u00e0 l\u2019automne apr\u00e8s un \u00e9t\u00e9 tr\u00e8s sec. Sous l\u2019influence de ce climat, le r\u00e9gime des cours d\u2019eau est caract\u00e9ris\u00e9 par deux ph\u00e9nom\u00e8nes oppos\u00e9s : des crues violentes et rapides et des \u00e9tiages (p\u00e9riodes de basses eaux) tr\u00e8s marqu\u00e9s. Ainsi, de nombreux cours d\u2019eau sont temporaires sur le bassin versant ou pr\u00e9sentent un faible d\u00e9bit une majeure partie de l\u2019ann\u00e9e. La g\u00e9ologie du bassin est caract\u00e9ris\u00e9e par la pr\u00e9sence de massifs calcaires jurassiques karstifi\u00e9s. Ces aquif\u00e8res karstiques alimentent une multitude de r\u00e9surgences sur le bassin versant ; les principales \u00e9tant la Source du Lez \u00e0 Saint-Cl\u00e9ment-de-Rivi\u00e8re (r\u00e9surgence du Karst Lez) et la Source de l\u2019Avy \u00e0 Grabels (r\u00e9surgence du Karst Mosson). Les ressources en eau provenant des cours d\u2019eau et des nappes souterraines sont n\u00e9cessaires au bon fonctionnement des \u00e9cosyst\u00e8mes aquatiques. Elles sont \u00e9galement exploit\u00e9es par l\u2019homme pour la production d\u2019eau potable, l\u2019irrigation agricole et non agricole, les usages industriels, la navigation, les activit\u00e9s r\u00e9cr\u00e9atives\u2026 Des ressources d\u00e9ficitaires : Une \u00e9tude d\u2019\u00e9valuation des volumes pr\u00e9levables (EVP) men\u00e9e par l\u2019EPTB a permis, en 2016, de d\u00e9finir les besoins des milieux et les volumes disponibles pour les usages anthropiques et ainsi diagnostiquer un d\u00e9ficit hydrique quantitatif \u00e0 l\u2019\u00e9tiage des bassins versants du Lez et de la Mosson. Par ailleurs, l\u2019Agence de l\u2019eau Rh\u00f4ne M\u00e9diterran\u00e9e Corse a men\u00e9 une \u00e9tude similaire sur l\u2019aquif\u00e8re du karst Mosson finalis\u00e9e en 2011. Elle a permis de d\u00e9finir des volumes pr\u00e9levables et des niveaux pi\u00e9zom\u00e9triques de r\u00e9f\u00e9rence dans le compartiment sud de cet aquif\u00e8re et d\u2019identifier un manque de connaissances sur le fonctionnement du compartiment nord. Une gestion concert\u00e9e : Sur la base des r\u00e9sultats de l\u2019\u00e9tude EVP, le Pr\u00e9fet de l\u2019H\u00e9rault a demand\u00e9 \u00e0 l\u2019EPTB d\u2019\u00e9laborer le Plan de Gestion de la Ressource en Eau (PGRE) pour les bassins versants du Lez et de la Mosson et pour l\u2019aquif\u00e8re du Karst Mosson, afin de r\u00e9sorber les d\u00e9ficits et de garantir une gestion \u00e9quilibr\u00e9e de la ressource en eau.\u00a0 Il a \u00e9galement confirm\u00e9 le r\u00f4le strat\u00e9gique de la Commission Locale de l\u2019Eau (CLE) comme lieu de concertation entre les diff\u00e9rents acteurs du territoire (collectivit\u00e9s, agriculteurs, am\u00e9nageurs, services de l\u2019Etat, \u2026) pour l\u2019\u00e9laboration du PGRE. L\u2019objectif g\u00e9n\u00e9ral du PGRE est de mettre en place la gestion de la ressource en eau qui permet de garantir la satisfaction des usages, et les besoins des milieux sans avoir \u00e0 recourir \u00e0 une gestion de crise plus de 2 ann\u00e9es sur 10. Le PGRE du Lez, de la Mosson et du Karst Mosson a \u00e9t\u00e9 approuv\u00e9 par la CLE en d\u00e9cembre 2018. Sur la base des r\u00e9sultats techniques de l\u2019\u00e9tude EVP, il a d\u00e9fini : Un programme d\u2019actions comportant 46 actions (d\u00e9clin\u00e9es en 88 sous-actions) d\u00e9crites et rattach\u00e9es \u00e0 une ma\u00eetrise d\u2019ouvrage (collectivit\u00e9s, services de l\u2019Etat, chambre d\u2019agriculture, \u2026.)\u00a0; Un calendrier de programmation pour chaque op\u00e9ration. Cette \u00e9tude est cofinanc\u00e9e par l\u2019Agence de l\u2019eau Rh\u00f4ne M\u00e9diterran\u00e9e Corse, la R\u00e9gion Occitanie, le BRGM et l\u2019EPTB Lez. PGRE BILANS ANNUELS Focus sur des actions phares \u00e9tude hydrog\u00e9ologique du compartiment nord du karst mosson En 2021, l\u2019EPTB Lez et le Bureau de Recherches G\u00e9ologiques et Mini\u00e8res (BRGM) ont sign\u00e9 une convention de recherche et d\u00e9veloppement partag\u00e9s pour une dur\u00e9e de 3 ans ayant pour objectifs\u00a0: De d\u00e9terminer le fonctionnement hydrog\u00e9ologique de la Source de l\u2019Avy (principale r\u00e9surgence du compartiment nord du Karst Mosson), De caract\u00e9riser les relations hydrauliques entre le karst et la rivi\u00e8re Mosson, De caract\u00e9riser les modalit\u00e9s d\u2019\u00e9changes entre les compartiments nord et sud de l\u2019aquif\u00e8re, De d\u00e9finir les niveaux pi\u00e9zom\u00e9triques de r\u00e9f\u00e9rence et les volumes pr\u00e9levables envisageables tout en pr\u00e9servant la ressource du compartiment sud. Cette \u00e9tude est cofinanc\u00e9e par l\u2019Agence de l\u2019eau Rh\u00f4ne M\u00e9diterran\u00e9e Corse, la R\u00e9gion Occitanie, le BRGM et l\u2019EPTB Lez. Jaugeages en p\u00e9riode d&rsquo;\u00e9tiage L\u2019EPTB Lez a fait l\u2019acquisition d\u2019un courantom\u00e8tre permettant d\u2019effectuer des jaugeages sur des cours d\u2019eau ou tron\u00e7ons de cours d\u2019eau non suivis par le r\u00e9seau de stations hydrom\u00e9triques d\u2019Etat. Ces mesures permettent d\u2019am\u00e9liorer la connaissance des d\u00e9bits des cours d\u2019eau en p\u00e9riode d\u2019\u00e9tiage et de moyennes eaux et ainsi affiner la gestion des ressources et les prises de d\u00e9cisions en cas de crise de s\u00e9cheresse (restrictions d\u2019usage).<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2707","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/eptb-lez.fr\/index.php\/wp-json\/wp\/v2\/pages\/2707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eptb-lez.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eptb-lez.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eptb-lez.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eptb-lez.fr\/index.php\/wp-json\/wp\/v2\/comments?post=2707"}],"version-history":[{"count":157,"href":"https:\/\/eptb-lez.fr\/index.php\/wp-json\/wp\/v2\/pages\/2707\/revisions"}],"predecessor-version":[{"id":4316,"href":"https:\/\/eptb-lez.fr\/index.php\/wp-json\/wp\/v2\/pages\/2707\/revisions\/4316"}],"wp:attachment":[{"href":"https:\/\/eptb-lez.fr\/index.php\/wp-json\/wp\/v2\/media?parent=2707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}