{"id":88286,"date":"2026-01-26T17:40:44","date_gmt":"2026-01-26T16:40:44","guid":{"rendered":"https:\/\/vosgesinfo.fr\/remiremontinfo\/?p=88286"},"modified":"2026-01-26T17:40:44","modified_gmt":"2026-01-26T16:40:44","slug":"problematique-dodeurs-sur-les-rives-de-la-moselotte-a-la-bresse","status":"publish","type":"post","link":"https:\/\/vosgesinfo.fr\/remiremontinfo\/2026\/01\/problematique-dodeurs-sur-les-rives-de-la-moselotte-a-la-bresse\/","title":{"rendered":"Probl\u00e9matique d\u2019odeurs sur les rives de la Moselotte \u00e0 La Bresse"},"content":{"rendered":"

\"\"<\/a><\/p>\n

Probl\u00e9matique d\u2019odeurs sur les rives de la<\/strong>
\nMoselotte \u00e0 La Bresse<\/strong><\/p>\n

Ce lundi 26 janvier 2026, la mairie de La Bresse a organis\u00e9 une r\u00e9union de travail en pr\u00e9sence des acteurs institutionnels et des experts ayant d\u00e9j\u00e0 travaill\u00e9 sur le sujet, afin de faire le point sur les odeurs per\u00e7ues \u00e0 proximit\u00e9 de la Moselotte et de d\u00e9finir les prochaines \u00e9tapes d\u2019investigation.<\/p>\n

En septembre 2022, une premi\u00e8re \u00e9tude men\u00e9e par ATMO Grand Est, en collaboration avec le cabinet OSMANTHE, avait permis de caract\u00e9riser les odeurs per\u00e7ues et d\u2019identifier une zone critique entre les soci\u00e9t\u00e9s SNM Alu Industrie et Chalets Poirot. Les r\u00e9sultats avaient r\u00e9v\u00e9l\u00e9 une forte pr\u00e9sence de compos\u00e9s soufr\u00e9s (H\u2082S, propylmercaptan, \u00e9thylmercaptan) dans l\u2019air ambiant et dans l\u2019eau de la Moselotte, avec des intensit\u00e9s maximales observ\u00e9es de part et d\u2019autre de la rivi\u00e8re. Cette \u00e9tude avait conclu \u00e0 l\u2019absence de lien direct avec les r\u00e9seaux d\u2019assainissement ou les activit\u00e9s industrielles actuelles, mais des hypoth\u00e8ses fortes sur une pollution historique des sols, li\u00e9e \u00e0 l\u2019ancienne usine de tissage (utilisation de colorants soufr\u00e9s) ou aux remblais utilis\u00e9s lors de la d\u00e9viation de la rivi\u00e8re dans les ann\u00e9es 1970.
\nEn 2024, une seconde \u00e9tude, confi\u00e9e \u00e0 SEMACO Environnement, a approfondi les analyses sur les eaux souterraines, superficielles, les s\u00e9diments et l\u2019air ambiant. Les r\u00e9sultats ont confirm\u00e9 l\u2019absence de pollution dans les eaux souterraines et superficielles, mais une pr\u00e9sence d\u2019hydrocarbures (C10-C40) et de sulfates dans les s\u00e9diments, plus concentr\u00e9s en aval qu\u2019en amont. Dans l\u2019air, la d\u00e9tection de N,N- Dim\u00e9thylacetamide (DMAC), un solvant industriel, ainsi que d\u2019autres compos\u00e9s, sans lien clair avec les odeurs signal\u00e9es.
\nPour affiner le diagnostic, les participants ont valid\u00e9 le lancement d\u2019une nouvelle phase d\u2019investigations, qui comprendra :
\n– Un diagnostic du canal usinier, \u00e0 l\u2019aide d\u2019un drone, pour d\u00e9tecter d\u2019\u00e9ventuelles sources de pollution (fissures, coulures, etc.)
\n– Des sondages sur le remblai de l\u2019ancien lit de la Moselotte et \u00e0 proximit\u00e9 des points sensibles, pour v\u00e9rifier la pr\u00e9sence de d\u00e9chets ou de mat\u00e9riaux polluants
\n– Des analyses compl\u00e9mentaires, incluant la recherche de PFAS (substances utilis\u00e9es dans les mousses anti-incendie) et des tests \u00e9cotoxicologiques en amont et en aval du site industriel.
\nDes prestations optionnelles, comme l\u2019\u00e9quipement de sondages pour des analyses sur le long terme, pourraient \u00e9galement \u00eatre envisag\u00e9es.
\nLa commune de La Bresse, en collaboration avec la DREAL Grand Est, l\u2019Agence de l\u2019eau Rhin-Meuse, le BRGM et la DDT des Vosges, s\u2019engage \u00e0 poursuivre ces investigations pour identifier la source des odeurs et proposer des solutions adapt\u00e9es. Les partenaires institutionnels (Pr\u00e9fecture, ARS, R\u00e9gion Grand Est, ADEME) seront sollicit\u00e9s pour mobiliser des financements publics, tout en rappelant le principe du \u00ab pollueur-payeur \u00bb si une pollution industrielle \u00e9tait av\u00e9r\u00e9e.<\/p>\n","protected":false},"excerpt":{"rendered":"

Probl\u00e9matique d\u2019odeurs sur les rives de la Moselotte \u00e0 La Bresse Ce lundi 26 janvier 2026, la mairie de La […]<\/p>\n","protected":false},"author":391,"featured_media":88287,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,7,104,25,43],"tags":[667],"class_list":["post-88286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-environnement","category-la-bresse-la-bresse-son-canton","category-la-bresse-son-canton","category-remiremont-remiremont-son-canton","tag-moselotte"],"acf":[],"yoast_head":"\nProbl\u00e9matique d\u2019odeurs sur les rives de la Moselotte \u00e0 La Bresse - Remiremont Info<\/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:\/\/vosgesinfo.fr\/remiremontinfo\/?p=88286\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Probl\u00e9matique d\u2019odeurs sur les rives de la Moselotte \u00e0 La Bresse - 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