Fluoride Latest News
The Uttar Pradesh Jal Nigam confirmed the presence of excessive fluoride in 120 hamlets, affecting nearly 2 lakh people. Some villages recorded fluoride levels of 2 mg/L or more, exceeding the safe limit of 1-1.5 mg/L.
What is Fluoride?
- Fluoride is a naturally occurring element found in groundwater.
- The national drinking water limit for fluoride is 1.50 mg/L.
- Excessive fluoride consumption can cause skeletal fluorosis, accelerate dental decay, and pose serious health risks, particularly for children.
Other Groundwater Contaminants in India
- Apart from fluoride, India’s groundwater is also contaminated with several other harmful elements:
- Arsenic Contamination: Found in West Bengal, Bihar, Jharkhand, Uttar Pradesh, covering 90% of arsenic contamination cases in India.
- Uranium Contamination: Found in 12 states, including Punjab.
- Iron Contamination: Severe in states like Rajasthan, Jharkhand, and Assam.
- Other contaminants, such as antimony, cadmium, copper, and barium, also pose risks, leading to toxicity, hypertension, and liver and kidney damage.
States with High Fluoride Contamination
- Rajasthan has the highest fluoride contamination in India.
- Other affected states include Telangana, western Andhra Pradesh, and eastern Karnataka.
- Fluoride levels spike during the dry, summer pre-monsoon months, with arid regions in western India showing higher contamination than humid areas.
Fluoride FAQs
Q1. What is fluoride?
Ans. Fluoride is a naturally occurring mineral found in water, soil, and food, known for preventing tooth decay.
Q2. How does fluoride affect human health?
Ans. In small amounts, it strengthens teeth, but excessive fluoride causes fluorosis, leading to dental and skeletal damage.
Q3. What is the permissible fluoride level in drinking water?
Ans. According to WHO, the safe limit is 1.5 mg/L, while the BIS limit in India is 1.0 mg/L.
Source: IE
Last updated on November, 2025
→ Check out the latest UPSC Syllabus 2026 here.
→ Join Vajiram & Ravi’s Interview Guidance Programme for expert help to crack your final UPSC stage.
→ UPSC Mains Result 2025 is now out.
→ UPSC Notification 2026 is scheduled to be released on January 14, 2026.
→ UPSC Calendar 2026 is released on 15th May, 2025.
→ The UPSC Vacancy 2025 were released 1129, out of which 979 were for UPSC CSE and remaining 150 are for UPSC IFoS.
→ UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.
→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.
→ UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!
→ UPSC Prelims Result 2025 is out now for the CSE held on 25 May 2025.
→ UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.
→ UPSC Prelims Question Paper 2025 and Unofficial Prelims Answer Key 2025 are available now.
→ UPSC Mains Question Paper 2025 is out for Essay, GS 1, 2, 3 & GS 4.
→ UPSC Mains Indian Language Question Paper 2025 is now out.
→ UPSC Mains Optional Question Paper 2025 is now out.
→ Also check Best IAS Coaching in Delhi



