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Home/ Questions/Q 2756
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Abstract Classes
Abstract ClassesPower Elite Author
Asked: January 21, 20242024-01-21T15:33:51+05:30 2024-01-21T15:33:51+05:30

Briefly discuss the effect of Biological, Chemical and Physical agents in water on human health.

Give a brief explanation of how water’s biological, chemical, and physical contaminants affect people’s health.

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    1. Himanshu Kulshreshtha Elite Author
      2024-01-21T15:34:29+05:30Added an answer on January 21, 2024 at 3:34 pm

      Effect of Biological, Chemical, and Physical Agents in Water on Human Health

      Water quality is essential for human health, and contaminants in water can have adverse effects on individuals and communities. These contaminants can be broadly categorized into biological, chemical, and physical agents, each with its own set of potential health impacts.

      1. Biological Agents:

      • Pathogens: Biological agents in water primarily include pathogenic microorganisms such as bacteria, viruses, and parasites. When water is contaminated with these pathogens, it can lead to waterborne diseases like cholera, typhoid, hepatitis, and gastrointestinal infections. These diseases can range from mild to severe and, in some cases, be life-threatening, especially for individuals with compromised immune systems.

      • Vector-Borne Diseases: Stagnant or contaminated water can create breeding grounds for disease-carrying vectors like mosquitoes, leading to vector-borne diseases such as malaria and dengue fever.

      2. Chemical Agents:

      • Heavy Metals: Contaminants like lead, arsenic, and mercury can leach into water sources, often through industrial processes or natural geological deposits. Prolonged exposure to heavy metals in drinking water can lead to a range of health issues, including neurological damage, developmental problems in children, and various chronic diseases.

      • Chemical Pollutants: Chemical contaminants like pesticides, herbicides, industrial chemicals, and pharmaceuticals can find their way into water supplies. These pollutants can have adverse effects on human health, including hormone disruption, reproductive issues, and increased cancer risks.

      • Chlorine and Disinfection Byproducts: While chlorine is commonly used to disinfect water, its reaction with organic matter can produce disinfection byproducts (DBPs) like trihalomethanes. Prolonged exposure to DBPs has been associated with an increased risk of cancer and reproductive problems.

      3. Physical Agents:

      • Sediment and Particulate Matter: High levels of sediment or particulate matter in water can clog pipes and reduce water quality. Turbid water may also carry pathogens, making it unsafe to drink. Moreover, sediment can damage aquatic ecosystems, impacting the availability of clean water resources.

      • Temperature: Changes in water temperature, often due to industrial processes or climate change, can affect aquatic ecosystems and the organisms that depend on them. Temperature variations can disrupt the balance of aquatic ecosystems, impacting water quality and the availability of fish and other aquatic resources.

      • Turbulence and Erosion: High turbulence and erosion in water bodies can lead to increased sedimentation, habitat degradation, and contamination. This can harm aquatic life and reduce the availability of clean water resources.

      To safeguard human health, it is essential to monitor and maintain water quality by implementing robust water treatment processes and regulations. Adequate water treatment, filtration, disinfection, and regular testing for contaminants are crucial steps in ensuring safe drinking water. Additionally, public awareness and community-based efforts play a vital role in preserving the quality of water sources and mitigating the health risks associated with biological, chemical, and physical agents in water.

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