{"id":159691,"date":"2026-03-15T15:08:05","date_gmt":"2026-03-15T15:08:05","guid":{"rendered":"https:\/\/roservicepoint.com\/services\/?p=159691"},"modified":"2026-03-15T15:08:11","modified_gmt":"2026-03-15T15:08:11","slug":"what-causes-bad-smells-in-wastewater-plants","status":"publish","type":"post","link":"https:\/\/roservicepoint.com\/services\/what-causes-bad-smells-in-wastewater-plants\/","title":{"rendered":"What Causes Bad Smells in Wastewater Plants? Complete Guide to Odor Problems in STP &amp; ETP Plants"},"content":{"rendered":"\n<p>Wastewater treatment plants play a critical role in protecting the environment and public health. These plants treat sewage and industrial wastewater so that it can be safely discharged into rivers, lakes, or reused for other purposes. Modern <strong>wastewater treatment plants (WWTP), sewage treatment plants (STP), and effluent treatment plants (ETP)<\/strong> use advanced biological and mechanical processes to remove pollutants from water.<\/p>\n\n\n\n<p>However, one of the most common complaints about wastewater plants is <strong>bad smell or foul odor<\/strong> coming from the treatment system. Odor problems can create discomfort for nearby residents, damage the reputation of the facility, and sometimes indicate serious operational issues inside the plant.<\/p>\n\n\n\n<p>Understanding <strong>what causes bad smells in wastewater plants<\/strong> is important for plant operators, engineers, industries, and municipalities. When the source of odor is identified early, it becomes easier to control the problem and maintain proper plant performance.<\/p>\n\n\n\n<p>In this detailed guide, we will explain the main reasons for bad smell in wastewater plants, including biological causes, chemical reactions, sludge handling problems, mechanical failures, and environmental factors.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Why Odor Control Is Important in Wastewater Treatment Plants<\/h2>\n\n\n\n<p>Bad smell in wastewater plants is not just an inconvenience. It can indicate that the treatment process is not working properly.<\/p>\n\n\n\n<p>Odor problems can cause:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Complaints from nearby residents<\/li>\n\n\n\n<li>Health concerns for workers<\/li>\n\n\n\n<li>Corrosion of equipment<\/li>\n\n\n\n<li>Environmental pollution<\/li>\n\n\n\n<li>Poor plant performance<\/li>\n\n\n\n<li>Legal or regulatory issues<\/li>\n<\/ul>\n\n\n\n<p>In many cases, foul odor is caused by <strong>anaerobic decomposition<\/strong>, poor aeration, or improper sludge handling. If these issues are ignored, the treatment efficiency of the plant can also decrease.<\/p>\n\n\n\n<p>That is why odor control is an important part of proper wastewater management.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Biological Causes of Bad Smell in Wastewater Plants<\/h2>\n\n\n\n<p>Most odor problems in sewage treatment plants come from biological activity. Wastewater contains organic matter, and microorganisms break it down during treatment. If the process does not get enough oxygen, bad-smelling gases are produced.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Anaerobic Decomposition Produces Strong Odor<\/h3>\n\n\n\n<p>When wastewater does not get enough oxygen, anaerobic bacteria start breaking down organic matter.<\/p>\n\n\n\n<p>These bacteria produce gases such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hydrogen sulfide (rotten egg smell)<\/li>\n\n\n\n<li>Methane<\/li>\n\n\n\n<li>Ammonia<\/li>\n\n\n\n<li>Carbon dioxide<\/li>\n<\/ul>\n\n\n\n<p>Hydrogen sulfide is the most common cause of foul smell in wastewater plants.<\/p>\n\n\n\n<p>This usually happens in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stagnant tanks<\/li>\n\n\n\n<li>Blocked pipes<\/li>\n\n\n\n<li>Sludge storage areas<\/li>\n\n\n\n<li>Closed chambers with low oxygen<\/li>\n<\/ul>\n\n\n\n<p>Proper aeration and mixing help prevent anaerobic conditions.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Sludge Accumulation in Tanks<\/h3>\n\n\n\n<p>Sludge is the solid waste separated during treatment.<\/p>\n\n\n\n<p>If sludge is not removed on time:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oxygen cannot reach the bottom of the tank<\/li>\n\n\n\n<li>Anaerobic bacteria grow<\/li>\n\n\n\n<li>Bad gases are produced<\/li>\n<\/ul>\n\n\n\n<p>Thick sludge layers also create surface films that block oxygen transfer.<\/p>\n\n\n\n<p>Regular sludge removal and proper mixing help control odor.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Biofilm Formation in Pipes and Equipment<\/h3>\n\n\n\n<p>Biofilm is a sticky layer of microorganisms that forms inside pipes, tanks, and equipment.<\/p>\n\n\n\n<p>Biofilm can:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduce water flow<\/li>\n\n\n\n<li>Trap organic matter<\/li>\n\n\n\n<li>Create anaerobic pockets<\/li>\n<\/ul>\n\n\n\n<p>These pockets produce bad-smelling gases.<\/p>\n\n\n\n<p>Routine cleaning, flushing, and pipe inspection help prevent this problem.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Industrial Waste and Chemical Discharges<\/h2>\n\n\n\n<p>Wastewater plants often receive water from industries. Industrial wastewater may contain chemicals that disturb the treatment process and cause odor problems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Sulfur Compounds in Industrial Waste<\/h3>\n\n\n\n<p>Some industries release sulfur-containing waste.<\/p>\n\n\n\n<p>Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Food processing<\/li>\n\n\n\n<li>Chemical factories<\/li>\n\n\n\n<li>Tanneries<\/li>\n\n\n\n<li>Paper mills<\/li>\n<\/ul>\n\n\n\n<p>Sulfur compounds promote growth of sulfur-reducing bacteria, which produce hydrogen sulfide gas.<\/p>\n\n\n\n<p>Pretreatment at the industrial site helps prevent odor problems.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. High Strength Wastewater<\/h3>\n\n\n\n<p>Wastewater with high organic content creates more load on the plant.<\/p>\n\n\n\n<p>This can cause:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oxygen shortage<\/li>\n\n\n\n<li>Process imbalance<\/li>\n\n\n\n<li>Increase in anaerobic activity<\/li>\n<\/ul>\n\n\n\n<p>High-strength waste should be diluted or treated before entering the main plant.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Toxic Chemicals and Process Shock<\/h3>\n\n\n\n<p>Toxic chemicals can kill useful bacteria in the treatment system.<\/p>\n\n\n\n<p>When good bacteria die:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Treatment stops<\/li>\n\n\n\n<li>Anaerobic bacteria grow<\/li>\n\n\n\n<li>Odor increases<\/li>\n<\/ul>\n\n\n\n<p>Examples of harmful chemicals:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Solvents<\/li>\n\n\n\n<li>Acids<\/li>\n\n\n\n<li>Alkalis<\/li>\n\n\n\n<li>Heavy metals<\/li>\n<\/ul>\n\n\n\n<p>Proper monitoring and industrial discharge control are necessary.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Sewage Composition and Organic Load<\/h2>\n\n\n\n<p>The type of wastewater entering the plant affects odor production.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Food Waste and Grease<\/h3>\n\n\n\n<p>Kitchen waste and grease increase organic load.<\/p>\n\n\n\n<p>These materials decompose quickly and create odor.<\/p>\n\n\n\n<p>Grease also blocks pipes and reduces oxygen transfer.<\/p>\n\n\n\n<p>Installing grease traps helps reduce odor problems.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Seasonal Changes in Wastewater<\/h3>\n\n\n\n<p>Wastewater load changes during:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Festivals<\/li>\n\n\n\n<li>Tourist seasons<\/li>\n\n\n\n<li>Rainy season<\/li>\n\n\n\n<li>Industrial peak production<\/li>\n<\/ul>\n\n\n\n<p>Sudden increase in load can overload the plant and cause smell.<\/p>\n\n\n\n<p>Flexible operation and proper planning are required.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. pH and Chemical Balance<\/h3>\n\n\n\n<p>Microorganisms need proper pH to work.<\/p>\n\n\n\n<p>If pH becomes too low or too high:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Good bacteria die<\/li>\n\n\n\n<li>Bad bacteria grow<\/li>\n\n\n\n<li>Odor increases<\/li>\n<\/ul>\n\n\n\n<p>Maintaining proper pH level keeps the system stable.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Mechanical Failures and Equipment Problems<\/h2>\n\n\n\n<p>Many odor problems occur due to equipment failure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Aeration System Failure<\/h3>\n\n\n\n<p>Aeration supplies oxygen to the tank.<\/p>\n\n\n\n<p>If blowers stop working:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oxygen level drops<\/li>\n\n\n\n<li>Anaerobic bacteria grow<\/li>\n\n\n\n<li>Bad smell starts<\/li>\n<\/ul>\n\n\n\n<p>Common reasons:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Blower damage<\/li>\n\n\n\n<li>Power failure<\/li>\n\n\n\n<li>Diffuser blockage<\/li>\n<\/ul>\n\n\n\n<p>Backup blowers and regular maintenance prevent this issue.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Pump Failure and Stagnant Flow<\/h3>\n\n\n\n<p>Pumps move wastewater from one stage to another.<\/p>\n\n\n\n<p>If pump fails:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Water stays in one place<\/li>\n\n\n\n<li>Organic matter decomposes<\/li>\n\n\n\n<li>Odor forms<\/li>\n<\/ul>\n\n\n\n<p>Standby pumps should always be available.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Control System Errors<\/h3>\n\n\n\n<p>Modern plants use automation systems.<\/p>\n\n\n\n<p>Wrong settings can cause:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Overloading<\/li>\n\n\n\n<li>Low aeration<\/li>\n\n\n\n<li>Sludge overflow<\/li>\n<\/ul>\n\n\n\n<p>Regular checking of sensors and panels is important.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Sludge Handling and Storage Problems<\/h2>\n\n\n\n<p>Sludge is one of the biggest sources of odor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Open Sludge Tanks<\/h3>\n\n\n\n<p>Open sludge ponds release gases directly into air.<\/p>\n\n\n\n<p>Sunlight and heat increase microbial activity.<\/p>\n\n\n\n<p>Covering tanks reduces smell.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Poor Dewatering Process<\/h3>\n\n\n\n<p>If sludge remains wet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bacteria keep growing<\/li>\n\n\n\n<li>Smell increases<\/li>\n<\/ul>\n\n\n\n<p>Proper dewatering reduces odor.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Sludge Transport<\/h3>\n\n\n\n<p>Moving sludge can spread odor.<\/p>\n\n\n\n<p>Use:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Closed containers<\/li>\n\n\n\n<li>Proper timing<\/li>\n\n\n\n<li>Covered trucks<\/li>\n<\/ul>\n\n\n\n<p>This helps reduce smell outside the plant.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Weather and Environmental Conditions<\/h2>\n\n\n\n<p>Weather plays a big role in odor spread.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. High Temperature<\/h3>\n\n\n\n<p>Hot weather increases bacterial activity.<\/p>\n\n\n\n<p>More activity means more gas.<\/p>\n\n\n\n<p>Odor problems are common in summer.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Low Wind and Air Inversion<\/h3>\n\n\n\n<p>When air does not move:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gas stays near ground<\/li>\n\n\n\n<li>Smell spreads to nearby areas<\/li>\n<\/ul>\n\n\n\n<p>Odor control systems help in such cases.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Rain and Storm Water<\/h3>\n\n\n\n<p>Heavy rain changes flow.<\/p>\n\n\n\n<p>This can:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stir sludge<\/li>\n\n\n\n<li>Overload plant<\/li>\n\n\n\n<li>Cause temporary smell<\/li>\n<\/ul>\n\n\n\n<p>Stormwater management is important.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">How to Control Bad Smell in Wastewater Plants<\/h2>\n\n\n\n<p>Odor can be reduced by proper operation.<\/p>\n\n\n\n<p>Important steps include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Maintain proper aeration<\/li>\n\n\n\n<li>Remove sludge regularly<\/li>\n\n\n\n<li>Monitor industrial discharge<\/li>\n\n\n\n<li>Clean pipes and tanks<\/li>\n\n\n\n<li>Use odor control chemicals<\/li>\n\n\n\n<li>Install covers and filters<\/li>\n\n\n\n<li>Maintain equipment<\/li>\n\n\n\n<li>Check pH and oxygen level<\/li>\n<\/ul>\n\n\n\n<p>Advanced plants also use:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Biofilters<\/li>\n\n\n\n<li>Activated carbon filters<\/li>\n\n\n\n<li>Chemical scrubbers<\/li>\n\n\n\n<li>Odor control units<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Importance of Regular Maintenance<\/h2>\n\n\n\n<p>Most odor problems happen due to poor maintenance.<\/p>\n\n\n\n<p>Daily checks should include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Blower operation<\/li>\n\n\n\n<li>Pump condition<\/li>\n\n\n\n<li>Sludge level<\/li>\n\n\n\n<li>Oxygen level<\/li>\n\n\n\n<li>Flow rate<\/li>\n\n\n\n<li>Chemical dosing<\/li>\n<\/ul>\n\n\n\n<p>Preventive maintenance saves cost and avoids complaints.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Final Thoughts<\/h2>\n\n\n\n<p>Bad smell in wastewater plants is usually a sign that something is wrong in the treatment process. The main causes include anaerobic conditions, sludge buildup, industrial discharge, equipment failure, and weather conditions.<\/p>\n\n\n\n<p>By understanding these causes, plant operators can take proper action to control odor and improve plant performance.<\/p>\n\n\n\n<p>A well-maintained sewage treatment plant should not produce strong smell. Proper aeration, sludge management, and regular monitoring are the key to keeping the plant clean, efficient, and environmentally safe.<\/p>\n\n\n\n<p>If odor problems are solved early, the plant will run smoothly, nearby residents will be comfortable, and the system will meet environmental standards for many years.<\/p>\n\n\n\n<p>Contact our technical team today and get the best wastewater treatment solution for your project.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/roservicepoint.com\/services\/v-aqua-water-treatment-company\/\" target=\"_blank\" rel=\"noreferrer noopener\">V Aqua<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/roservicepoint.com\/services\/\" target=\"_blank\" rel=\"noreferrer noopener\">Our Products<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/roservicepoint.com\/services\/product-category\/water-softeners\/\" target=\"_blank\" rel=\"noreferrer noopener\">Water Softener<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/roservicepoint.com\/services\/product-category\/ro-plant\/\" target=\"_blank\" rel=\"noreferrer noopener\">RO Plant<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/roservicepoint.com\/services\/product-category\/etp-plant\/\" target=\"_blank\" rel=\"noreferrer noopener\">ETP Plant<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/roservicepoint.com\/services\/product-category\/stp-plant\/\" target=\"_blank\" rel=\"noreferrer noopener\">STP Plant<\/a><\/li>\n<\/ul>\n\n\n\n<p>Call: +91-9560654995 \/ 7827654995<br>Email:&nbsp;<a href=\"mailto:sales@vaqua.in\">sales@vaqua.in<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wastewater treatment plants play a critical role in protecting the environment and public health. These plants treat sewage and industrial&#8230;<\/p>\n","protected":false},"author":1,"featured_media":159692,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[246,245,111],"class_list":["post-159691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-sewage-treatment-plant","tag-stp-plant","tag-waste-water-treatment"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Causes Bad Smells in Wastewater Plants? - V Aqua<\/title>\n<meta name=\"description\" content=\"Learn what causes bad smells in wastewater plants, common odor sources, and how to control sewage treatment plant smell with proper aeration, sludge handling, and maintenance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/roservicepoint.com\/services\/what-causes-bad-smells-in-wastewater-plants\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Causes Bad Smells in Wastewater Plants? - V Aqua\" \/>\n<meta property=\"og:description\" content=\"Learn what causes bad smells in wastewater plants, common odor sources, and how to control sewage treatment plant smell with proper aeration, sludge handling, and maintenance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/roservicepoint.com\/services\/what-causes-bad-smells-in-wastewater-plants\/\" \/>\n<meta property=\"og:site_name\" content=\"V AQUA WATER TREATMENT COMPANY\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/vaquawater\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/vaquawater\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-15T15:08:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-15T15:08:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/roservicepoint.com\/services\/wp-content\/uploads\/2026\/03\/What-Causes-Bad-Smells-in-Wastewater-Plants.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"V Aqua Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@PointRo2220\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"V Aqua Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/roservicepoint.com\\\/services\\\/what-causes-bad-smells-in-wastewater-plants\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/roservicepoint.com\\\/services\\\/what-causes-bad-smells-in-wastewater-plants\\\/\"},\"author\":{\"name\":\"V Aqua Team\",\"@id\":\"https:\\\/\\\/roservicepoint.com\\\/services\\\/#\\\/schema\\\/person\\\/4f7caa4d52235fdb600697734ccd85dd\"},\"headline\":\"What Causes Bad Smells in Wastewater Plants? 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