{"id":39822,"date":"2026-03-31T19:15:40","date_gmt":"2026-03-31T19:15:40","guid":{"rendered":"https:\/\/www.avizo.ca\/?p=39822"},"modified":"2026-04-10T15:11:02","modified_gmt":"2026-04-10T15:11:02","slug":"h2s-sewer-network-monitoring","status":"publish","type":"post","link":"https:\/\/www.avizo.ca\/en\/2026\/03\/31\/h2s-sewer-network-monitoring\/","title":{"rendered":"Measure H2S in Your Sewer Networks"},"content":{"rendered":"\n<p><strong>Protect Your Pipes and Municipal Employees<\/strong><\/p>\n\n\n\n<p>Hydrogen sulfide (H2S) in sewer networks is an invisible enemy that corrodes your concrete pipes and threatens the health of your workers. Avizo offers a comprehensive service for measuring, monitoring, and identifying H2S contamination sources.<\/p>\n\n\n\n<p><strong>Infrastructure Impacts<\/strong><\/p>\n\n\n\n<p><strong>H\u2082S Destroys Your Concrete Pipes from the Inside<\/strong><\/p>\n\n\n\n<p>Hydrogen sulfide is naturally released from wastewater in sewer pipes. In its gaseous phase, it triggers a biogenic corrosion process that irreversibly attacks concrete.<\/p>\n\n\n\n<p>\ud83d\udd34 <strong>Acid Biogenic Corrosion<\/strong><\/p>\n\n\n\n<p>Gaseous H\u2082S settles on pipe walls above the waterline. Sulfur-oxidizing bacteria convert it into sulfuric acid (H\u2082SO\u2084), which aggressively attacks the concrete and steel reinforcement inside the pipes.<\/p>\n\n\n\n<p>\ud83d\udd34 <strong>Structural Deterioration<\/strong><\/p>\n\n\n\n<p>The acid dissolves the cement paste and transforms the surface into a soft gypsum layer. Progressive wall thinning reduces the pipe\u2019s load-bearing capacity, leading to collapses and major failures.<\/p>\n\n\n\n<p>\ud83d\udd34 <strong>Replacement Costs<\/strong><\/p>\n\n\n\n<p>A pipe designed to last 75 years can be out of service in less than 20 years under high H\u2082S conditions. Emergency repairs cost 3 to 5 times more than planned interventions.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><picture class=\"wp-picture-39823\" style=\"display: contents;\"><source type=\"image\/webp\" srcset=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102220-jpg.webp 976w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102220-300x133-jpg.webp 300w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102220-768x340-jpg.webp 768w\" sizes=\"auto, (max-width: 976px) 100vw, 976px\"><img data-dominant-color=\"f1f1f0\" data-has-transparency=\"false\" style=\"--dominant-color: #f1f1f0;\" loading=\"lazy\" decoding=\"async\" width=\"976\" height=\"432\" src=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102220.jpg\" alt=\"\" class=\"wp-image-39823 not-transparent\" srcset=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102220.jpg 976w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102220-300x133.jpg 300w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102220-768x340.jpg 768w\" sizes=\"auto, (max-width: 976px) 100vw, 976px\" \/><\/picture><\/figure>\n\n\n\n<p><strong>Key Figures<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><picture class=\"wp-picture-39825\" style=\"display: contents;\"><source type=\"image\/webp\" srcset=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102427-1024x149-jpg.webp 1024w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102427-300x44-jpg.webp 300w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102427-768x112-jpg.webp 768w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102427-jpg.webp 1026w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><img data-dominant-color=\"edeee9\" data-has-transparency=\"false\" style=\"--dominant-color: #edeee9;\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"149\" src=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102427-1024x149.jpg\" alt=\"\" class=\"wp-image-39825 not-transparent\" srcset=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102427-1024x149.jpg 1024w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102427-300x44.jpg 300w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102427-768x112.jpg 768w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102427.jpg 1026w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/picture><\/figure>\n\n\n\n<p><strong>Occupational Health &amp; Safety<\/strong><\/p>\n\n\n\n<p><strong>Protect Your Municipal Employees<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/03\/Creation-sans-titre-768x1024.jpg\" alt=\"Municipal worker in full H\u2082S protective gear in the field\" class=\"wp-image-39819\" srcset=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/03\/Creation-sans-titre-768x1024.jpg 768w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/03\/Creation-sans-titre-225x300.jpg 225w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/03\/Creation-sans-titre-1152x1536.jpg 1152w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/03\/Creation-sans-titre.jpg 1536w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">Avizo technician equipped for H\u2082S monitoring in sewer networks<\/figcaption><\/figure>\n\n\n\n<p>Blue-collar workers and technicians who maintain sewer networks are the most exposed to H\u2082S. Every manhole opening, every intervention in a pump station or valve chamber puts them in potential contact with this colorless, deceptively odored gas.<\/p>\n\n\n\n<p>H\u2082S becomes undetectable by smell at lethal doses because it paralyzes the olfactory nerve. Knowing high-concentration areas allows for safe planning of interventions, targeting sectors that require ventilation or specific protective equipment, and meeting your obligations under the OHSA.Learn more about <a href=\"https:\/\/www.canada.ca\/en\/health-canada\/services\/chemical-substances\/fact-sheets\/chemicals-glance\/hydrogen-sulfide.html\" target=\"_blank\" rel=\"noreferrer noopener\">hydrogen sulfite health guidelines from Health Canada.<\/a><\/p>\n\n\n\n<p><strong>Exposure Thresholds<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><picture class=\"wp-picture-39827\" style=\"display: contents;\"><source type=\"image\/webp\" srcset=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102605-jpg.webp 1015w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102605-300x34-jpg.webp 300w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102605-768x88-jpg.webp 768w\" sizes=\"auto, (max-width: 1015px) 100vw, 1015px\"><img data-dominant-color=\"e5e6ec\" data-has-transparency=\"false\" style=\"--dominant-color: #e5e6ec;\" loading=\"lazy\" decoding=\"async\" width=\"1015\" height=\"116\" src=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102605.jpg\" alt=\"\" class=\"wp-image-39827 not-transparent\" srcset=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102605.jpg 1015w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102605-300x34.jpg 300w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102605-768x88.jpg 768w\" sizes=\"auto, (max-width: 1015px) 100vw, 1015px\" \/><\/picture><\/figure>\n\n\n\n<p><strong>Our Approach<\/strong><\/p>\n\n\n\n<p><strong>A Turnkey Service, from Measurement to Source<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><picture class=\"wp-picture-39829\" style=\"display: contents;\"><source type=\"image\/webp\" srcset=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102732-jpg.webp 1024w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102732-300x122-jpg.webp 300w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102732-768x314-jpg.webp 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><img data-dominant-color=\"e0e9f1\" data-has-transparency=\"false\" style=\"--dominant-color: #e0e9f1;\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"418\" src=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102732.jpg\" alt=\"\" class=\"wp-image-39829 not-transparent\" srcset=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102732.jpg 1024w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102732-300x122.jpg 300w, https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/04\/Capture-decran-2026-04-10-102732-768x314.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/picture><\/figure>\n\n\n\n<p><strong>Source Tracing<\/strong><\/p>\n\n\n\n<p><strong>Tracing the Problem Back to Its Source<\/strong><\/p>\n\n\n\n<p>High H\u2082S concentrations primarily originate from industrial wastewater discharges rich in sulfates and organic matter. When our measurements reveal critical levels, we can combine monitoring with an in-depth wastewater characterization over several days, allowing us to trace back through the network and precisely identify the responsible industry or discharge.<\/p>\n\n\n\n<p>This rigorous approach provides municipalities with the evidence-based data needed to demand corrective action from responsible sources and protect the long-term integrity of their infrastructure.<\/p>\n\n\n\n<p><strong>Protect Your Infrastructure and Your Teams<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/www.avizo.ca\/en\/contact-us\/\" type=\"page\" id=\"17850\">Contact our experts !<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Protect Your Pipes and Municipal Employees Hydrogen sulfide (H2S) in sewer networks is an invisible enemy that corrodes your concrete pipes and threatens the health of your workers. Avizo offers a comprehensive service for measuring, monitoring, and identifying H2S contamination sources. Infrastructure Impacts H\u2082S Destroys Your Concrete Pipes from the Inside Hydrogen sulfide is naturally [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.avizo.ca\/en\/2026\/03\/31\/h2s-sewer-network-monitoring\/\">Read More&#8230;<span class=\"screen-reader-text\"> from Measure H2S in Your Sewer Networks<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":39727,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"authors":[],"class_list":["post-39822","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Measure H2S in Your Sewer Networks - Avizo<\/title>\n<meta name=\"description\" content=\"Protect your sewer pipes and municipal workers from H2S damage. 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Avizo provides turnkey hydrogen sulfide monitoring, mapping and source tracing services.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.avizo.ca\/en\/2026\/03\/31\/h2s-sewer-network-monitoring\/\" \/>\n<meta property=\"og:site_name\" content=\"Avizo\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-31T19:15:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-10T15:11:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.avizo.ca\/wp-content\/uploads\/2026\/03\/IMG_4238-e1774984193253.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"2048\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"dorothee.masse\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"dorothee.masse\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/2026\\\/03\\\/31\\\/h2s-sewer-network-monitoring\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/2026\\\/03\\\/31\\\/h2s-sewer-network-monitoring\\\/\"},\"author\":{\"name\":\"dorothee.masse\",\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/#\\\/schema\\\/person\\\/07d85c7f5e5748fef58bd329e33532b3\"},\"headline\":\"Measure H2S in Your Sewer Networks\",\"datePublished\":\"2026-03-31T19:15:40+00:00\",\"dateModified\":\"2026-04-10T15:11:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/2026\\\/03\\\/31\\\/h2s-sewer-network-monitoring\\\/\"},\"wordCount\":393,\"publisher\":{\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/2026\\\/03\\\/31\\\/h2s-sewer-network-monitoring\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.avizo.ca\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/IMG_4238-e1774984193253.jpeg\",\"articleSection\":[\"Non classifi\u00e9(e)\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/2026\\\/03\\\/31\\\/h2s-sewer-network-monitoring\\\/\",\"url\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/2026\\\/03\\\/31\\\/h2s-sewer-network-monitoring\\\/\",\"name\":\"Measure H2S in Your Sewer Networks - Avizo\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/2026\\\/03\\\/31\\\/h2s-sewer-network-monitoring\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.avizo.ca\\\/en\\\/2026\\\/03\\\/31\\\/h2s-sewer-network-monitoring\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.avizo.ca\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/IMG_4238-e1774984193253.jpeg\",\"datePublished\":\"2026-03-31T19:15:40+00:00\",\"dateModified\":\"2026-04-10T15:11:02+00:00\",\"description\":\"Protect your sewer pipes and municipal workers from H2S damage. 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