{"id":76442,"date":"2026-06-11T18:33:08","date_gmt":"2026-06-11T13:03:08","guid":{"rendered":"https:\/\/www.nextias.com\/ca\/?p=76442"},"modified":"2026-06-11T18:35:19","modified_gmt":"2026-06-11T13:05:19","slug":"urban-water-contamination","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/11-06-2026\/urban-water-contamination","title":{"rendered":"Water Contamination in Urban Areas"},"content":{"rendered":"\n<p><strong>Syllabus: GS1\/ Challenges related to Urbanisation, GS2\/ Governance<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Context<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In the South Delhi colony of Gulmohar Park, drinking water pipelines have been delivering sewage-contaminated water for over two weeks now.\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Water Contamination<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Water contamination<\/strong> occurs when harmful substances mix with water, either due to natural processes or human activities, and exceed safe permissible limits.\n<ul class=\"wp-block-list\">\n<li><strong>Biological contamination<\/strong> occurs due to pathogens such as bacteria, viruses, protozoa, and parasites (e.g., E. coli, cholera bacteria).<\/li>\n\n\n\n<li><strong>Chemical contamination<\/strong> results from industrial effluents, pesticides, heavy metals, and excess nutrients.<\/li>\n\n\n\n<li><strong>Physical contamination<\/strong> includes sediments, plastics, and suspended solids.<\/li>\n\n\n\n<li><strong>Radiological contamination<\/strong> involves radioactive substances entering water sources.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why does sewage mix with drinking water?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Leakages in water pipelines: <\/strong>Sewage enters through cracks and damaged joints in water pipes. Risk increases when pipelines are old, corroded or damaged during construction activities.<\/li>\n\n\n\n<li><strong>Intermittent water supply: <\/strong>Most Indian cities supply water only for a few hours daily. Empty or low-pressure pipes create suction, allowing contaminated water to enter through leaks.<\/li>\n\n\n\n<li><strong>Ageing urban infrastructure: <\/strong>Many pipelines were laid decades ago and have exceeded their design life. Lack of regular maintenance increases contamination risks.<\/li>\n\n\n\n<li><strong>Poor sewage management: <\/strong>A large share of urban households lack access to organized sewer networks. Septic tanks and untreated effluents often discharge into drains and water channels.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Structural Challenges in Urban Water Governance<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lack of comprehensive digitised maps of water and sewer networks.<\/li>\n\n\n\n<li>Fragmented responsibilities among multiple agencies.<\/li>\n\n\n\n<li>Weak coordination between water supply and sewage departments.<\/li>\n\n\n\n<li>Large informal settlements with inadequate water and sanitation infrastructure.<\/li>\n\n\n\n<li>Existing standards focus on water quality but not on service delivery mechanisms.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Concerns of Water Contamination in Urban Areas<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Health Hazards: <\/strong>Spread of water-borne diseases such as cholera, typhoid, dysentery, and hepatitis leading to an increased burden on public healthcare systems.<\/li>\n\n\n\n<li><strong>Economic Costs: <\/strong>Higher household expenditure on bottled water, water purifiers, and medical treatment.<\/li>\n\n\n\n<li><strong>Environmental Degradation: <\/strong>Due to poor wastewater management and pollution of urban water bodies.<\/li>\n\n\n\n<li><strong>Social Inequity: <\/strong>Low-income households are less able to access alternative safe water sources.<\/li>\n\n\n\n<li><strong>Risk to Urban Resilience: <\/strong>Frequent contamination incidents undermine sustainable urban development and public confidence in civic services.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Constitutional and Legal Provisions<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Article 21 of the Constitution<\/strong> guarantees the Right to Life, which includes access to safe drinking water.\n<ul class=\"wp-block-list\">\n<li><strong>Subhas Kumar v. State of Bihar (1991):<\/strong> The Supreme Court held that the right to live under Article 21 includes the right to enjoy pollution-free water and air.<\/li>\n\n\n\n<li><strong>A.P. Pollution Control Board II v. Prof. M.V. Nayudu (1999):<\/strong> The court stated that access to safe drinking water is fundamental to life.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Article 243W<\/strong> empowers Urban Local Bodies to manage water supply, sanitation, and public health.<\/li>\n\n\n\n<li><strong>Article 47<\/strong> of the Indian Constitution, part of the <strong>Directive Principles of State Policy (DPSP)<\/strong>, directs the State to raise the level of nutrition, standard of living, and improve public health.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Government initiatives<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Solid Waste Management Rules, 2016:<\/strong> Mandates segregation of waste at source into biodegradable, non-biodegradable, and domestic hazardous waste.\n<ul class=\"wp-block-list\">\n<li>Promotes waste processing through composting, bio-methanation, and waste-to-energy technologies.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Swachh Bharat Mission (SBM):<\/strong><strong>SBM-Urban<\/strong> focuses on 100% door-to-door waste collection and encourages source segregation.\n<ul class=\"wp-block-list\">\n<li><strong>SBM-Rural<\/strong> promotes biodegradable waste composting and bio-gas plants in villages.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Smart Cities Mission <\/strong>promotes technology-driven monitoring of civic services, including water systems.<\/li>\n\n\n\n<li><strong>The Atal Mission for Rejuvenation and Urban Transformation (AMRUT) <\/strong>aims to develop robust sewage networks and treatment plants to manage urban waste.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Way Ahead<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Urban local bodies<\/strong> should prioritise replacement and modernisation of ageing water and sewer pipelines.<\/li>\n\n\n\n<li><strong>Real-time, sensor-based <\/strong>water quality monitoring should be institutionalised across urban networks.<\/li>\n\n\n\n<li><strong>Decentralized Wastewater Treatment Systems (DEWATS):<\/strong> Implementing small-scale, localized treatment units (e.g., in housing societies or parks) to reduce the burden on main sewer lines.<\/li>\n\n\n\n<li><strong>Independent third-party audits<\/strong> of water infrastructure must be made mandatory.<\/li>\n<\/ul>\n\n\n\n<p><strong>Source: <\/strong><a href=\"https:\/\/indianexpress.com\/article\/explained\/gulmohar-park-sewage-taps-urban-water-systems-fail-10728181\/\" rel=\"nofollow noopener\" target=\"_blank\"><strong>IE<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong><br \/>\nContext<\/p>\n<p><\/strong><\/p>\n<li class=\"ms-5\">\n<p>In the South Delhi colony of Gulmohar Park, drinking water pipelines have been delivering sewage-contaminated water for over two weeks now\n<\/li>\n<p><\/p>\n<p><strong><\/p>\n<p>Water Contamination<\/p>\n<p><\/strong><\/p>\n<li class=\"ms-5\"\t>\n<p>Water contamination occurs when harmful substances mix with water, either due to natural processes or human activities, and exceed safe permissible limits.<\/p>\n<\/li>\n<li class=\"ms-5\">\n<p>Biological contamination occurs due to pathogens such as bacteria, viruses, protozoa, and parasites (e.g., E. coli, cholera bacteria).<\/p>\n<\/li>\n<p><a href=\" https:\/\/www.nextias.com\/ca\/current-affairs-hindi\/11-06-2026\/urban-water-contamination \" class=\"btn btn-primary btn-sm float-end\">Read More<\/a><\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-76442","post","type-post","status-publish","format-standard","hentry","category-current-affairs"],"acf":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/76442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=76442"}],"version-history":[{"count":2,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/76442\/revisions"}],"predecessor-version":[{"id":76444,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/76442\/revisions\/76444"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=76442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=76442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=76442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}