{"id":298,"date":"2021-04-26T08:15:00","date_gmt":"2021-04-26T06:15:00","guid":{"rendered":"https:\/\/france-cadastre.fr\/site\/?p=298"},"modified":"2025-04-23T10:08:01","modified_gmt":"2025-04-23T08:08:01","slug":"plan-deau-etang-reglementation","status":"publish","type":"post","link":"https:\/\/france-cadastre.fr\/site\/plan-deau-etang-reglementation\/","title":{"rendered":"PLAN D&rsquo;EAU &#8211; \u00c9TANG &#8211; REGLEMENTATION"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/france-cadastre.fr\/site\/wp-content\/uploads\/2021\/04\/etang-france-cadastre.jpg\" alt=\"\" class=\"wp-image-299\"\/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">R\u00e9glementation des Plans d\u2019Eau et \u00c9tangs Priv\u00e9s<\/h1>\n\n\n\n<p>Les plans d\u2019eau artificiels, comme les \u00e9tangs, sont cr\u00e9\u00e9s pour des usages vari\u00e9s : production piscicole, irrigation, loisirs, gestion de l\u2019eau ou simple agr\u00e9ment paysager. Leur installation et leur gestion doivent respecter une r\u00e9glementation stricte, adapt\u00e9e aux sp\u00e9cificit\u00e9s du site.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9finition et Classification<\/h2>\n\n\n\n<p>Un plan d\u2019eau est consid\u00e9r\u00e9 comme une mare s\u2019il fait moins de 1 000 m\u00b2. Au-del\u00e0, il est class\u00e9 comme un \u00e9tang et peut \u00eatre soumis \u00e0 des r\u00e9gimes juridiques diff\u00e9rents selon :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sa date de cr\u00e9ation (avant ou apr\u00e8s le 3 janvier 1992, date de la loi sur l\u2019eau),<\/li>\n\n\n\n<li>Sa localisation (en lit mineur ou non d\u2019un cours d\u2019eau),<\/li>\n\n\n\n<li>Son mode d\u2019alimentation (par d\u00e9rivation, source, nappe, ruissellement),<\/li>\n\n\n\n<li>Son usage (\u00e9levage, loisir, irrigation, etc.).<\/li>\n<\/ul>\n\n\n\n<p>Ces crit\u00e8res d\u00e9termineront si le plan d\u2019eau rel\u00e8ve d\u2019un r\u00e9gime de d\u00e9claration ou d\u2019autorisation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les Usages Possibles d\u2019un Plan d\u2019Eau<\/h2>\n\n\n\n<p>Poss\u00e9der un plan d\u2019eau peut permettre :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La pisciculture,<\/li>\n\n\n\n<li>L\u2019irrigation agricole,<\/li>\n\n\n\n<li>L\u2019abreuvement du b\u00e9tail,<\/li>\n\n\n\n<li>La lutte contre les incendies,<\/li>\n\n\n\n<li>Les loisirs : p\u00eache, chasse, baignade ou activit\u00e9s nautiques douces.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Les Points \u00e0 V\u00e9rifier Avant un Achat<\/h2>\n\n\n\n<p>Avant d\u2019acheter un \u00e9tang ou un terrain avec plan d\u2019eau, il est crucial de se poser les bonnes questions :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quelle est la superficie exacte du plan d\u2019eau ?<\/li>\n\n\n\n<li>Quelle est sa date de cr\u00e9ation ?<\/li>\n\n\n\n<li>Le plan d\u2019eau est-il en lit mineur d\u2019un cours d\u2019eau ?<\/li>\n\n\n\n<li>Existe-t-il une autorisation pr\u00e9fectorale ?<\/li>\n\n\n\n<li>Le plan d\u2019eau est-il conforme aux normes environnementales ?<\/li>\n\n\n\n<li>Y a-t-il un \u00e9quipement sp\u00e9cifique (vannes, moine, digues) ?<\/li>\n<\/ul>\n\n\n\n<p>En cas d\u2019irr\u00e9gularit\u00e9, l\u2019administration peut exiger des mises en conformit\u00e9, voire la suppression du plan d\u2019eau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Entretien et Vidange<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Obligations du Propri\u00e9taire<\/h3>\n\n\n\n<p>Le propri\u00e9taire est tenu d\u2019assurer :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u2019entretien de la v\u00e9g\u00e9tation des berges et digues,<\/li>\n\n\n\n<li>Le bon fonctionnement des installations hydrauliques (drainage, moine, trop-plein),<\/li>\n\n\n\n<li>La s\u00e9curit\u00e9 des personnes,<\/li>\n\n\n\n<li>Le respect des obligations environnementales (esp\u00e8ces invasives, d\u00e9bit r\u00e9serv\u00e9, etc.).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Fr\u00e9quence et Conditions de Vidange<\/h3>\n\n\n\n<p>Une vidange doit \u00eatre r\u00e9alis\u00e9e tous les 2 \u00e0 5 ans, en respectant :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les conditions hydrologiques (niveau d\u2019eau suffisant en aval),<\/li>\n\n\n\n<li>Un pr\u00e9avis de 15 jours minimum \u00e0 l\u2019administration,<\/li>\n\n\n\n<li>La gestion correcte des s\u00e9diments et des esp\u00e8ces pr\u00e9sentes.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Textes de R\u00e9f\u00e9rence<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Code de l\u2019environnement<\/strong> : Respect du d\u00e9bit r\u00e9serv\u00e9 et des esp\u00e8ces prot\u00e9g\u00e9es,<\/li>\n\n\n\n<li><strong>Code civil<\/strong> : Interdiction d\u2019inonder ou d\u2019ass\u00e9cher les propri\u00e9t\u00e9s voisines,<\/li>\n\n\n\n<li><strong>Loi sur l\u2019eau (1992)<\/strong> : D\u00e9claration ou autorisation administrative obligatoire pour les ouvrages r\u00e9cents.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Risques en Cas de Non-Conformit\u00e9<\/h2>\n\n\n\n<p>Un plan d\u2019eau non r\u00e9gularis\u00e9 peut \u00eatre source de contentieux. L\u2019administration peut :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Demander des travaux correctifs,<\/li>\n\n\n\n<li>Imposer des mesures de gestion (d\u00e9bit r\u00e9serv\u00e9, \u00e9quipement),<\/li>\n\n\n\n<li>Aller jusqu\u2019\u00e0 ordonner la suppression du plan d\u2019eau.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ressources Utiles<\/h2>\n\n\n\n<p>Pour aller plus loin :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.mayenne.gouv.fr\/Politiques-publiques\/Environnement-eau-et-biodiversite\/Eau\/Plans-d-eau\" target=\"_blank\" rel=\"noreferrer noopener\">Pr\u00e9fecture de la Mayenne \u2013 Plans d\u2019eau<\/a><\/li>\n<\/ul>\n\n\n\n<p>Il est recommand\u00e9 de contacter la Direction D\u00e9partementale des Territoires (DDT) ou la Police de l\u2019Eau pour tout projet d\u2019achat ou de modification d\u2019un plan d\u2019eau.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9glementation des Plans d\u2019Eau et \u00c9tangs Priv\u00e9s Les plans d\u2019eau artificiels, comme les \u00e9tangs, sont cr\u00e9\u00e9s pour des usages vari\u00e9s : production piscicole, irrigation, loisirs, gestion de l\u2019eau ou simple agr\u00e9ment paysager. Leur installation et leur gestion doivent respecter une&hellip;<\/p>\n","protected":false},"author":1,"featured_media":299,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"post_series":[],"class_list":["post-298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ressources","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PLAN D&#039;EAU - \u00c9TANG - REGLEMENTATION - France Cadastre<\/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:\/\/france-cadastre.fr\/site\/plan-deau-etang-reglementation\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PLAN D&#039;EAU - \u00c9TANG - REGLEMENTATION - France Cadastre\" \/>\n<meta property=\"og:description\" content=\"R\u00e9glementation des Plans d\u2019Eau et \u00c9tangs Priv\u00e9s Les plans d\u2019eau artificiels, comme les \u00e9tangs, sont cr\u00e9\u00e9s pour des usages vari\u00e9s : production piscicole, irrigation, loisirs, gestion de l\u2019eau ou simple agr\u00e9ment paysager. 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