{"id":1878,"date":"2023-12-15T16:45:38","date_gmt":"2023-12-15T21:45:38","guid":{"rendered":"https:\/\/www.ocwa.com\/case-studies\/addressing-public-concern-over-water-quality\/"},"modified":"2024-01-04T13:26:48","modified_gmt":"2024-01-04T18:26:48","slug":"repondre-aux-preoccupations-du-public-sur-la-qualite-de-leau","status":"publish","type":"case-study","link":"https:\/\/www.ocwa.com\/fr\/archive-des-etudes-de-cas\/repondre-aux-preoccupations-du-public-sur-la-qualite-de-leau\/","title":{"rendered":"R\u00e9pondre aux pr\u00e9occupations du public sur la qualit\u00e9 de l\u2019eau"},"content":{"rendered":"\n<p><\/p>\n\n\n<div id=\"case-banner-block_bbd9c614fbeb8a3d00f4f58a149653d5\" class=\"case-banner alignfull \">\n\t<img loading=\"lazy\" decoding=\"async\" width=\"1201\" height=\"601\" src=\"https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder.png\" class=\"attachment-banner-image size-banner-image\" alt=\"\" srcset=\"https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder.png 1201w, https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder-300x150.png 300w, https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder-1024x512.png 1024w, https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder-768x384.png 768w, https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder-400x200.png 400w\" sizes=\"auto, (max-width: 1201px) 100vw, 1201px\" \/>\t<div class=\"case-banner-wrapper\">\n\n\t\t<div class=\"case-banner-details\">\n\t\t\t<div class=\"breadcrumbs\">\n\t\t\t\t<span><span><a href=\"https:\/\/www.ocwa.com\/fr\/\">Home<\/a><\/span><\/span>\t\t\t<\/div>\n\t\t\t<div class=\"featured-text\">\n\t\t\t\t<strong>L\u2019AOE EN ACTION :\u00a0 <\/strong>Am\u00e9liorer la qualit\u00e9 de l\u2019eau\n\t\t\t<\/div>\n\t\t\t<div class=\"banner-details\">\n\t\t\t\t<h1>R\u00e9pondre aux <br \/>\r\npr\u00e9occupations du public <br \/>\r\nsur la qualit\u00e9 de l\u2019eau<\/h1>\n\t\t\t\t<h4>Ville de Kirkland Lake (Ontario)<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n<div id=\"text-intro-block_f0edaaf1f5eafb453c178f8068e840d5\" class=\"section-block \" style=\"\">\n\t<div class=\"block-title\" data-aos=\"fade-up\" data-aos-duration=\"1000\" data-aos-anchor-placement=\"center-bottom\">\n\t\t<h6>LA SITUATION<\/h6>\n\t<\/div>\n\t\t\t<div class=\"block-content\" data-aos=\"fade-up\" data-aos-duration=\"1000\" data-aos-anchor-placement=\"center-bottom\">\n\t\t\t<h4 class=\"p1\">Le public fait pression pour qu\u2019on s\u2019occupe de l\u2019eau d\u00e9color\u00e9e<\/h4>\n<p class=\"p1\"><strong>La Ville de Kirkland Lake dans le district de Timiskaming conna\u00eet depuis 20 ans des concentrations \u00e9lev\u00e9es de mangan\u00e8se et de fer dans sa source d\u2019eau, le lac Gull. R\u00e9cemment, le probl\u00e8me s\u2019est aggrav\u00e9, surtout durant les derniers hivers, \u00e0 cause du changement climatique et d\u2019un r\u00e9seau de distribution v\u00e9tuste.<\/strong><\/p>\n<p class=\"p1\">\u00c0 chaque fois que le r\u00e9seau de distribution \u00e9tait d\u00e9rang\u00e9 durant les mois d\u2019hiver \u2014 par exemple, lors de la vidange apr\u00e8s un incendie \u2014 de nombreux usagers se plaignaient du fait que l\u2019eau \u00e9tait brune. La d\u00e9coloration de l\u2019eau est caus\u00e9e par l\u2019oxydation du mangan\u00e8se, et l\u2019installation de traitement de l\u2019eau n\u2019\u00e9tait pas con\u00e7ue \u00e0 l\u2019origine pour enlever le fer et le mangan\u00e8se.<\/p>\n<p class=\"p1\">En 2016, le probl\u00e8me s\u2019est g\u00e9n\u00e9ralis\u00e9 de mani\u00e8re persistante. \u00ab Nous recevions constamment des rapports\u00a0 selon lesquels l\u2019eau \u00e9tait brune, parfois malodorante, et ce probl\u00e8me n\u2019\u00e9tait pas localis\u00e9 \u00e0 un seul endroit dans la ville \u00bb dit Wilfred Hass, directeur g\u00e9n\u00e9ral par int\u00e9rim de la Ville de Kirkland Lake.<\/p>\n<p class=\"p1\">Les habitants de la ville du nord-est de l\u2019Ontario ont commenc\u00e9 \u00e0 faire part de leurs pr\u00e9occupations sur les r\u00e9seaux sociaux, et le personnel municipal a pr\u00e9sent\u00e9 le probl\u00e8me au conseil de la Ville.<\/p>\n<p class=\"p1\">\u00ab Nous en \u00e9tions arriv\u00e9s \u00e0 un point o\u00f9 il fallait faire quelque chose \u00bb, indique M. Hass.<\/p>\n\t\t<\/div>\n\t<\/div>\n\n\n<div id=\"text-intro-block_0210efda2ca4a9c9eaa4783de23d1ab3\" class=\"section-block \" style=\"\">\n\t<div class=\"block-title\" data-aos=\"fade-up\" data-aos-duration=\"1000\" data-aos-anchor-placement=\"center-bottom\">\n\t\t<h6>LA R\u00c9PONSE DE L\u2019AOE<\/h6>\n\t<\/div>\n\t\t\t<div class=\"block-content\" data-aos=\"fade-up\" data-aos-duration=\"1000\" data-aos-anchor-placement=\"center-bottom\">\n\t\t\t<h4 class=\"p1\">D\u00e9sinfecter de mani\u00e8re abordable et durable<\/h4>\n<p class=\"p1\">En tant qu\u2019exploitant de la station d\u2019\u00e9puration de Kirkland Lake, l\u2019AOE a examin\u00e9 plusieurs solutions pour rem\u00e9dier \u00e0 la qualit\u00e9 d\u2019eau. En pr\u00e9levant des \u00e9chantillons d\u2019eau du lac Gull, l\u2019\u00e9quipe de l\u2019AOE a trouv\u00e9 une concentration \u00e9lev\u00e9e de mangan\u00e8se dans l\u2019ensemble de l\u2019eau. Cela \u00e9liminait la solution consistant \u00e0 changer l\u2019\u00e9l\u00e9vation de la prise d\u2019eau. L\u2019\u00e9quipe de l\u2019AOE a aussi envisag\u00e9 de traiter l\u2019eau au permanganate de potassium, utilis\u00e9 couramment pour enlever le magn\u00e9sium et le fer, mais vu que cette solution n\u00e9cessitait un substrat suppl\u00e9mentaire, elle n\u2019a pas \u00e9t\u00e9 retenue.<\/p>\n<p class=\"p1\">Finalement, l\u2019AOE et le personnel municipal ont recommand\u00e9 un syst\u00e8me de dioxyde de chlore pour enlever le mangan\u00e8se et le fer de l\u2019eau brute. Au d\u00e9but de 2017, la Ville a accept\u00e9 d\u2019installer un tel syst\u00e8me \u00e0 l\u2019essai et a choisi l\u2019AOE pour trouver une solution.<\/p>\n<p class=\"p1\">\u00ab L\u2019AOE entretient depuis longtemps un lien \u00e9troit avec la collectivit\u00e9 locale, souligne M. Hass. Notre personnel municipal s\u2019occupe du r\u00e9seau de distribution et l\u2019AOE s\u2019occupe du traitement. Il y avait donc un chevauchement naturel, ce qui a facilit\u00e9 le partage des renseignements. \u00bb<\/p>\n\t\t<\/div>\n\t<\/div>\n\n\n<div id=\"text-intro-block_2c3efed7927df5d3e917a065697606d7\" class=\"section-block \" style=\"\">\n\t<div class=\"block-title\" data-aos=\"fade-up\" data-aos-duration=\"1000\" data-aos-anchor-placement=\"center-bottom\">\n\t\t<h6>L\u2019IMPACT<\/h6>\n\t<\/div>\n\t\t\t<div class=\"block-content\" data-aos=\"fade-up\" data-aos-duration=\"1000\" data-aos-anchor-placement=\"center-bottom\">\n\t\t\t<h4 class=\"p1\">Collaborer pour r\u00e9soudre le probl\u00e8me et \u00e9conomiser<\/h4>\n<p class=\"p1\"><strong>Le dioxyde de chlore s\u2019est av\u00e9r\u00e9 la solution <\/strong><strong>gagnante. Le syst\u00e8me pilote, install\u00e9 en janvier <\/strong><strong>2018, a donn\u00e9 de bons r\u00e9sultats. De tout <\/strong><strong>l\u2019hiver, la Ville n\u2019a re\u00e7u que six appels du public <\/strong><strong>concernant l\u2019eau, compar\u00e9 \u00e0 plus d\u2019une centaine <\/strong><strong>en 2017. Les exploitants s\u2019occupant de la vidange <\/strong><strong>du printemps ont vu une diff\u00e9rence \u00e9vidente avec <\/strong><strong>la qualit\u00e9 de l\u2019eau de l\u2019ann\u00e9e pr\u00e9c\u00e9dente.<\/strong><\/p>\n<p class=\"p1\">En plus de r\u00e9pondre aux pr\u00e9occupations du public, la solution de l\u2019AOE a r\u00e9duit les co\u00fbts et prot\u00e9g\u00e9 l\u2019environnement. Avec un co\u00fbt total de 200 000 $, le syst\u00e8me de dioxyde de chlore a \u00e9vit\u00e9 \u00e0 la Ville d\u2019avoir \u00e0 installer une nouvelle prise d\u2019eau ou \u00e0 remplacer imm\u00e9diatement les tuyaux de distribution. Une fois le syst\u00e8me install\u00e9, les co\u00fbts d\u2019exploitation du client n\u2019augmentaient pas \u00e0 long terme.<\/p>\n<p class=\"p1\">\u00ab Nous voyons les r\u00e9percussions du changement climatique sur notre ville, souligne M. Hass. Il faut une approche interdisciplinaire pour r\u00e9soudre ces probl\u00e8mes. Notre personnel \u00e0 l\u2019\u00e9chelle locale est fantastique, mais cette fois-ci nous avions aussi besoin de comp\u00e9tences en mati\u00e8re d\u2019ing\u00e9nierie, d\u2019analyse chimique et de gestion de projet. L\u2019AOE \u00e9tait un choix \u00e9vident pour nous, et la Ville de Kirkland Lake est tr\u00e8s satisfaite des services de l\u2019AOE. \u00bb<\/p>\n\t\t<\/div>\n\t<\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>En plus de r\u00e9pondre aux pr\u00e9occupations du public, la solution de l\u2019AOE a r\u00e9duit les co\u00fbts et prot\u00e9g\u00e9 l\u2019environnement.<\/p>\n<\/blockquote>\n\n\n<div id=\"contact-block-block_3839f3969ea06dec3af07ed3103f5caa\" style=\"background:#ffffff\" class=\"contact-block alignfull \">\n\t<div class=\"block-wrapper\" data-aos=\"fade-up\" data-aos-duration=\"1000\" data-aos-anchor-placement=\"center-bottom\">\n\n\t\t<div class=\"block-details\">\n\t\t\t\t\t\t\t<h3>Pour Nous Joindre<\/h3>\n\t\t\t\t\t\t<div class=\"contact-content\">\n\t\t\t\t<div class=\"block-content\">\n\t\t\t\t\t\t\t\t\t\t\t<p class=\"p1\">Si vous vous occupez d\u2019eau, vous devez conna\u00eetre l\u2019AOE.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"contact-information\">\n\t\t\t\t\t\t\t\t\t\t\t<p><strong>Contact Information<\/strong><\/p>\n<p class=\"p1\" style=\"text-align: left\"><strong>T\u00e9l\u00e9phone :<\/strong> 905.491.4000<br \/>\n<strong>Sans frais:<\/strong> 1.800.667.6292<br \/>\n<strong>Courriel :<\/strong> <a href=\"mailto:ocwa@ocwa.com\">ocwa@ocwa.com<\/a><br \/>\n<strong>Site web:<\/strong> <a href=\"http:\/\/www.ocwa.com\">www.ocwa.com<\/a><\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t<div class=\"image\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"384\" src=\"https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder-768x384.png\" class=\"attachment-box-image size-box-image\" alt=\"\" srcset=\"https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder-768x384.png 768w, https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder-300x150.png 300w, https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder-1024x512.png 1024w, https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder-400x200.png 400w, https:\/\/www.ocwa.com\/wp-content\/uploads\/2023\/12\/SM-placeholder.png 1201w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/>\t\t<\/div>\n\t<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>En plus de r\u00e9pondre aux pr\u00e9occupations du public, la solution de l\u2019AOE a r\u00e9duit les co\u00fbts et prot\u00e9g\u00e9 l\u2019environnement.<\/p>\n","protected":false},"author":3,"featured_media":617,"menu_order":0,"template":"","case-study-type":[24],"class_list":["post-1878","case-study","type-case-study","status-publish","has-post-thumbnail","hentry","case-study-type-current"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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