{"id":810434,"date":"2025-06-20T17:05:00","date_gmt":"2025-06-20T15:05:00","guid":{"rendered":"https://www.castalie.com/?post_type=castalie_presse&#038;p=810434"},"modified":"2026-07-21T15:25:56","modified_gmt":"2026-07-21T13:25:56","slug":"revolution-eau-castalie-hydratation-durable","status":"publish","type":"castalie_presse","link":"https://www.castalie.com/presse/revolution-eau-castalie-hydratation-durable/","title":{"rendered":"Castalie : la révolution de l&rsquo;eau"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1903\" height=\"901\" src=\"https://www.castalie.com/en/app/uploads/2025/06/article-le-plongeoir-.png\" alt=\"Illustration from the “Plongeon Portrait” feature on Castalie the newsletter *Le Plongeoir*, showcasing the microfiltered water fountains and reusable glass bottles, published on June 20, 2025, by Guillaume Fourdinier.\" class=\"wp-image-817990\" srcset=\"https://www.castalie.com/en/app/uploads/2025/06/article-le-plongeoir-.png 1903w, https://www.castalie.com/en/app/uploads/2025/06/article-le-plongeoir--800x379.png 800w, https://www.castalie.com/en/app/uploads/2025/06/article-le-plongeoir--1600x758.png 1600w, https://www.castalie.com/en/app/uploads/2025/06/article-le-plongeoir--400x189.png 400w, https://www.castalie.com/en/app/uploads/2025/06/article-le-plongeoir--768x364.png 768w, https://www.castalie.com/en/app/uploads/2025/06/article-le-plongeoir--1536x727.png 1536w, https://www.castalie.com/en/app/uploads/2025/06/article-le-plongeoir--1320x625.png 1320w\" sizes=\"(max-width: 1903px) 100vw, 1903px\"></figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em><strong>Le </strong>Plongeoir <strong data-wg-splitted>Newsletter </strong>(Substack) — “Plongeon Portrait” sponsored content, paid partnership · June 20, 2025 · Article by Guillaume Fourdinier</em></p>\n\n\n\n<p class=\"wp-block-paragraph\">In a “Portrait Dive” feature in his newsletter *Le Plongeoir*, Guillaume Fourdinier traces the journey of Castalie, a French pioneer in microfiltered water. The article places the company within the context of a bottled water model that is running out of steam—poorly recycled plastic, emerging pollutants, and consumer mistrust. The company’s founding story, technological choices, and growth trajectory paint a picture of a local, circular alternative to plastic bottles.</p>\n\n\n<h2 class=\"wp-block-heading bsab4s-toc-content__target\" id=\"a-retenir\"><strong>Key takeaways</strong></h2>\n\n\n<ul class=\"wp-block-list\">\n<li>Castalie, a French company founded in 2011 by Thibault Lamarque, rents microfiltered water fountains—with water bottled on-site in reusable glass bottles—to businesses, hotels, and restaurants.</li>\n\n\n\n<li>Castalie 7,000 water fountains in 2025, and its water is consumed by 15 million people each month, according to figures cited in the article.</li>\n\n\n\n<li>The Castalie system Castalie 0.5-micron microfiltration with an activated carbon filter, removing chlorine, heavy metals, pesticides, and PFAS without removing minerals.</li>\n\n\n\n<li>Castalie its first two restaurant clients in Paris in September 2011, and then expanded from 125 water fountains in 2013 to 1,500 in 2018.</li>\n\n\n\n<li>Castalie doubled its revenue in three years, from 8 M€ in 2021 to 16 M€ in 2024, and is aiming for 100 M€ within five years.</li>\n\n\n\n<li>Castalie €100,000 in a Life Cycle Assessment conducted in collaboration with the consulting firm Quantis, and became a Socially Responsible Enterprise (ESUS) in 2019.</li>\n\n\n\n<li>1 liter of Castalie water Castalie 88% fewer GHG emissions per liter (carbon scope, Quantis LCA certified to ISO 14040/14044).</li>\n\n\n\n<li>Castalie its product line for home use with a residential reverse osmosis system that removes chlorine, nitrates, sulfates, PFAS, and pesticides.</li>\n</ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em><strong>Source: </strong> Le Plongeoir, newsletter #88 “Plongeon Portrait” (sponsored content), June 20, 2025 — article by Guillaume Fourdinier. <a href=\"https://leplongeoir.substack.com/p/la-revolution-de-leau\" target=\"_blank\" rel=\"noreferrer noopener\">Read the original article</a></em></p>\n\n\n\n<p class=\"wp-block-paragraph\"></p>\n","protected":false},"excerpt":{"rendered":"<p>Le Plongeoir Newsletter (Substack) — “Plongeon Portrait” sponsored content, paid partnership · June 20, 2025 · Article by Guillaume Fourdinier In a “Plongeon Portrait” feature in his Le Plongeoir newsletter, Guillaume Fourdinier chronicles the journey of Castalie, a French pioneer in microfiltered water. The article places the company within the context of a water model […]</p>\n","protected":false},"author":44,"featured_media":817990,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"La révolution de l’eau : Castalie et l’hydratation durable","_seopress_titles_desc":"Le Plongeoir analyse la révolution de l’eau et met en lumière des solutions comme celles de Castalie pour réduire les bouteilles plastiques.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","footnotes":""},"presse-categorie":[3686],"class_list":["post-810434","castalie_presse","type-castalie_presse","status-publish","has-post-thumbnail","castalie_presse_categorie-france"],"acf":[],"_links":{"self":[{"href":"https://www.castalie.com/wp-json/wp/v2/presse/810434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https://www.castalie.com/wp-json/wp/v2/presse"}],"about":[{"href":"https://www.castalie.com/wp-json/wp/v2/types/castalie_presse"}],"author":[{"embeddable":true,"href":"https://www.castalie.com/wp-json/wp/v2/users/44"}],"version-history":[{"count":4,"href":"https://www.castalie.com/wp-json/wp/v2/presse/810434/revisions"}],"predecessor-version":[{"id":818390,"href":"https://www.castalie.com/wp-json/wp/v2/presse/810434/revisions/818390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https://www.castalie.com/wp-json/wp/v2/media/817990"}],"wp:attachment":[{"href":"https://www.castalie.com/wp-json/wp/v2/media?parent=810434"}],"wp:term":[{"taxonomy":"castalie_presse_categorie","embeddable":true,"href":"https://www.castalie.com/wp-json/wp/v2/presse-categorie?post=810434"}],"curies":[{"name":"wp","href":"https://api.w.org/{rel}","templated":true}]}}