{"id":12610,"date":"2026-09-29T20:32:20","date_gmt":"2026-09-29T18:32:20","guid":{"rendered":"https:\/\/toutesnosenergies.fr\/?p=12610"},"modified":"2026-09-29T20:33:36","modified_gmt":"2026-09-29T18:33:36","slug":"groupe-siat-un-inquietant-projet-de-mega-scierie-dans-le-tarn","status":"publish","type":"post","link":"https:\/\/toutesnosenergies.fr\/index.php\/2026\/09\/29\/groupe-siat-un-inquietant-projet-de-mega-scierie-dans-le-tarn\/","title":{"rendered":"Groupe SIAT : un inqui\u00e9tant projet de m\u00e9ga-scierie dans le Tarn"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"366\" height=\"144\" src=\"https:\/\/toutesnosenergies.fr\/wp-content\/uploads\/2026\/09\/dl2CP1ANqaki.png\" alt=\"\" class=\"wp-image-12611\" style=\"aspect-ratio:2.541833966359197;width:188px;height:auto\" srcset=\"https:\/\/toutesnosenergies.fr\/wp-content\/uploads\/2026\/09\/dl2CP1ANqaki.png 366w, https:\/\/toutesnosenergies.fr\/wp-content\/uploads\/2026\/09\/dl2CP1ANqaki-300x118.png 300w\" sizes=\"auto, (max-width: 366px) 100vw, 366px\" \/><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center\">Un communiqu\u00e9 de France Nature Environnement <br>Occitanie Pyr\u00e9n\u00e9es<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Nos associations souhaitent<strong>\u00a0alerter sur le projet d&rsquo;extension d&rsquo;une scierie acquise en 2020 par le groupe alsacien SIAT \u00e0 Saint Agnan (commune du Bez, pr\u00e8s de Brassac).\u00a0<\/strong><br>Ce projet pr\u00e9voit en effetde<strong>\u00a0multiplier par 5 l&rsquo;activit\u00e9 de la scierie actuelle,<\/strong>\u00a0afin de transformer<strong>\u00a0\u00e0 terme 500 000 m\u00b3 de bois rond. Il augmentera la pression sur les for\u00eats d&rsquo;exploitation facile et sur les r\u00e9sineux moyens\/gros, l\u00e0 o\u00f9 le pr\u00e9l\u00e8vement et la concurrence sont d\u00e9j\u00e0 forts.\u00a0<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le projet d&rsquo;extension de la scierie provoquerait\u00a0<strong>l&rsquo;artificialisation suppl\u00e9mentaire de 27 hectares, dont 6 hectares de terres agricoles,<\/strong>\u00a0\u00e0 seulement 50 m\u00e8tres des premi\u00e8res habitations du village de St Agnan et \u00e0 moins de 100 m\u00e8tres d&rsquo;un foyer de jour pour personnes \u00e2g\u00e9es qui vient d&rsquo;\u00eatre construit. <br>Il causerait une\u00a0<strong>hausse ind\u00e9niable de la circulation des poids lourds<\/strong>, accentuant la pollution a\u00e9rienne, les risques d&rsquo;accidents notamment pour les riverains et la d\u00e9gradation des routes.<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\"><a href=\"https:\/\/www.fne-op.fr\/2026\/09\/21\/mega-scierie-de-saint-agnan-tarn-impacts-sociaux-environnementaux-et-economiques\/\">Voir l&rsquo;article<\/a><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">La cr\u00e9ation sur ce site d&rsquo;une centrale \u00e0 \u00e9nergie bois, quelle que soit l&rsquo;efficacit\u00e9 des filtres pr\u00e9vus, entra\u00eenera l&rsquo;\u00e9mission de&nbsp;<strong>100 \u00e0 200 tonnes \/ an de polluants gazeux<\/strong>&nbsp;et impactera directement la qualit\u00e9 de l&rsquo;air, faisant courir&nbsp;<strong>un risque sanitaire non ma\u00eetris\u00e9<\/strong>.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;L&rsquo;industriel s&rsquo;est fix\u00e9 en outre un objectif de&nbsp;<strong>production de 100 000 T de granul\u00e9s de bois d\u00e8s la phase 1 de son projet<\/strong>, alors que les besoins locaux en bois \u00e9nergie sont globalement satisfaits par la production des entreprises de proximit\u00e9 qui risquent d&rsquo;\u00eatre mises en difficult\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les processus industriels pr\u00e9vus sur site cr\u00e9ent<strong>&nbsp;des besoins en eau d\u00e9passant 110000 m\u00b3\/an&nbsp;<\/strong>et soul\u00e8vent des questions de&nbsp;<strong>r\u00e9gularisation et contr\u00f4le des captages<\/strong>, de contr\u00f4le des incidents de&nbsp;<strong>pollution des eaux<\/strong>&nbsp;de surface et souterraines, et d&rsquo;\u00e9vacuation des effluents vers l&rsquo;Agout -ressource d&rsquo;eau potable pour la ville de Castres.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce sont autant de&nbsp;<strong>motifs d&rsquo;inqui\u00e9tude, pour les riverains comme pour nos associations de protection de la nature et de l&rsquo;environnement.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9but 2024 nous avons demand\u00e9 par courrier adress\u00e9 au pr\u00e9fet de R\u00e9gion et \u00e0 la pr\u00e9sidente du Conseil r\u00e9gional que soit diligent\u00e9e \u00e0 leur initiative&nbsp;<strong><em>une \u00e9tude sur la capacit\u00e9 des for\u00eats r\u00e9sineuses d&rsquo;Occitanie \u00e0 r\u00e9pondre \u00e0 court, moyen et long terme, aux besoins de l&rsquo;ensemble des industries de transformation du bois dans la r\u00e9gion<\/em><\/strong>&nbsp;en tenant compte des objectifs ambitieux du projet tarnais du groupe alsacien SIAT, l&rsquo;un des plus gros scieurs de France. La masse des documents que nous a transmis<strong>&nbsp;la<\/strong><strong>&nbsp;Direction r\u00e9gionale de l&rsquo;agriculture et de la for\u00eat n&rsquo;a pas r\u00e9pondu \u00e0 notre demande, ni dissip\u00e9 nos interrogations<\/strong>sur le plan d&rsquo;approvisionnement pr\u00e9sent\u00e9 par SIAT.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les acteurs de la fili\u00e8re bois&nbsp;<\/strong>locale et r\u00e9gionale ne devraient-ils pas s&rsquo;interroger face \u00e0 un op\u00e9rateur qui affirme :&nbsp;<strong>\u00ab\u00a0la pr\u00e9sence d&rsquo;un gros acteur de transformation va contribuer \u00e0&nbsp;<em>am\u00e9liorer<\/em>&nbsp;le comportement de la fili\u00e8re\u00a0\u00bb ?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Alors que 3 \u00e9checs industriels se sont produits successivement en 20 ans sur le site de St Agnan, trop de questions se posent sur les conditions m\u00eames de la viabilit\u00e9 et sur les impacts d&rsquo;un projet industriel aussi ambitieux. &nbsp;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Il est urgent de mieux informer sur les projets du groupe Siat dans le Tarn.&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous nous tenons \u00e0 disposition pour toute demande compl\u00e9mentaire.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Contact Presse : <strong>Calelh<\/strong><br>\ud83d\udcf1 07 66 61 38 81<br>\u2709\ufe0f\u00a0<a href=\"mailto:calelh@asso-nature.fr\">calelh@asso-nature.fr<\/a><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un communiqu\u00e9 de France Nature Environnement Occitanie Pyr\u00e9n\u00e9es Nos associations souhaitent\u00a0alerter sur le projet d&rsquo;extension d&rsquo;une scierie acquise en 2020 par le groupe alsacien SIAT \u00e0 Saint Agnan (commune du Bez, pr\u00e8s de Brassac).\u00a0Ce projet pr\u00e9voit en effetde\u00a0multiplier par 5 l&rsquo;activit\u00e9 de la scierie actuelle,\u00a0afin de transformer\u00a0\u00e0 terme 500 000 m\u00b3 de bois rond. Il &#8230; <a title=\"Groupe SIAT : un inqui\u00e9tant projet de m\u00e9ga-scierie dans le Tarn\" class=\"read-more\" href=\"https:\/\/toutesnosenergies.fr\/index.php\/2026\/09\/29\/groupe-siat-un-inquietant-projet-de-mega-scierie-dans-le-tarn\/\" aria-label=\"Plus sur Groupe SIAT : un inqui\u00e9tant projet de m\u00e9ga-scierie dans le Tarn\">Lire plus<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_cbd_carousel_blocks":"[]","sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-12610","post","type-post","status-publish","format-standard","hentry","category-communiques-associations"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Groupe SIAT : un inqui\u00e9tant projet de m\u00e9ga-scierie dans le Tarn - Toutes Nos \u00c9nergies \u2013 Occitanie Environnement<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/toutesnosenergies.fr\/index.php\/2026\/09\/29\/groupe-siat-un-inquietant-projet-de-mega-scierie-dans-le-tarn\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Groupe SIAT : un inqui\u00e9tant projet de m\u00e9ga-scierie dans le Tarn - Toutes Nos \u00c9nergies \u2013 Occitanie Environnement\" \/>\n<meta property=\"og:description\" content=\"Un communiqu\u00e9 de France Nature Environnement Occitanie Pyr\u00e9n\u00e9es Nos associations souhaitent\u00a0alerter sur le projet d&rsquo;extension d&rsquo;une scierie acquise en 2020 par le groupe alsacien SIAT \u00e0 Saint Agnan (commune du Bez, pr\u00e8s de Brassac).\u00a0Ce projet pr\u00e9voit en effetde\u00a0multiplier par 5 l&rsquo;activit\u00e9 de la scierie actuelle,\u00a0afin de transformer\u00a0\u00e0 terme 500 000 m\u00b3 de bois rond. 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