{"id":15198,"date":"2025-04-03T18:55:14","date_gmt":"2025-04-03T18:55:14","guid":{"rendered":"https:\/\/exam.pscnotes.com\/current-affairs\/?p=15198"},"modified":"2025-04-03T18:59:23","modified_gmt":"2025-04-03T18:59:23","slug":"fluoride-contamination","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/current-affairs\/fluoride-contamination\/","title":{"rendered":"FLUORIDE CONTAMINATION"},"content":{"rendered":"<ul>\n<li>\n<p><strong>Problem:<\/strong> Excessive fluoride contamination in groundwater affecting nearly 2 lakh people in 120 hamlets of Uttar Pradesh, particularly in Sonbhadra district.<\/p>\n<\/li>\n<li>\n<p><strong>Cause:<\/strong> Natural leaching of fluoride from granite, an igneous rock, into groundwater.<\/p>\n<\/li>\n<li>\n<p><strong>Definition:<\/strong> Fluoride contamination occurs when fluoride levels in water exceed safe limits (0.5 \u2013 1.5 mg\/L as per WHO).<\/p>\n<\/li>\n<li>\n<p><strong>Geographical Scope:<\/strong> This is a widespread issue, also present in Rajasthan, Gujarat, Andhra Pradesh, Telangana, Karnataka, and Madhya Pradesh.<\/p>\n<\/li>\n<li>\n<p><strong>Sources of Contamination:<\/strong><\/p>\n<ul>\n<li>Natural: Weathering of fluoride-rich rocks and volcanic activity.<\/li>\n<li>Industrial: Emissions from industries like aluminum, steel, and fertilizer production.<\/li>\n<li>Agricultural: Use of phosphate fertilizers and pesticides.<\/li>\n<li>Coal combustion: Burning coal releases fluoride.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Health Impacts:<\/strong><\/p>\n<ul>\n<li>Dental fluorosis: Tooth enamel damage and discoloration in children.<\/li>\n<li>Skeletal fluorosis: Crippling bone and joint damage.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Prevention &amp; Control:<\/strong><\/p>\n<ul>\n<li>Water treatment methods: Activated alumina filters, Reverse Osmosis (RO) filtration, and the Nalgonda Technique (low-cost).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Problem: Excessive fluoride contamination in groundwater affecting nearly 2 lakh people in 120 hamlets of Uttar Pradesh, particularly in Sonbhadra district. Cause: Natural leaching of fluoride from granite, an igneous rock, into groundwater. Definition: Fluoride contamination occurs when fluoride levels in water exceed safe limits (0.5 \u2013 1.5 mg\/L as per WHO). Geographical Scope: This &#8230; <a title=\"FLUORIDE CONTAMINATION\" class=\"read-more\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/fluoride-contamination\/\" aria-label=\"Read more about FLUORIDE CONTAMINATION\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":15217,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[595],"tags":[1265],"class_list":["post-15198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs","tag-03-04-25"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>FLUORIDE CONTAMINATION - Current Affairs Exam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/fluoride-contamination\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FLUORIDE CONTAMINATION\" \/>\n<meta property=\"og:description\" content=\"Problem: Excessive fluoride contamination in groundwater affecting nearly 2 lakh people in 120 hamlets of Uttar Pradesh, particularly in Sonbhadra district. Cause: Natural leaching of fluoride from granite, an igneous rock, into groundwater. Definition: Fluoride contamination occurs when fluoride levels in water exceed safe limits (0.5 \u2013 1.5 mg\/L as per WHO). Geographical Scope: This ... 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Cause: Natural leaching of fluoride from granite, an igneous rock, into groundwater. Definition: Fluoride contamination occurs when fluoride levels in water exceed safe limits (0.5 \u2013 1.5 mg\/L as per WHO). Geographical Scope: This ... 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