Safe Drinking Water
Water is considered “Safe” for drinking if it is free of harmful germs and impurities that give rise to undesirable health issues.
A natural water resource, free of contaminants, in today’s time, is very rare, especially in urban areas. It is bound to have external contaminants but the hazardous factor is determined by the level of their concentration.
More than two-fifth of the diseases that people of our country is affected with, are water borne.
Over 7.5 Cr people do not have even proper access to safe drinking water.
About three-fifth of total water in India is unfit for drinking, says another report. Scarcity of safe drinking water has led to treatment of wastewater from all possible sources, regularly contaminated with untreated domestic and commercial wastes. This contamination can lead to outbreak of diseases like cholera, diarrhea, dysentery, typhoid, etc. leaving hundreds of humans, especially children affected.
What makes water contaminated?
· Presence of suspended solids, organic matter, inorganic sediments have direct implications on physical properties of water
· Presence of chemical impurities like pesticides, metals, toxins, adulterants produced by domestic, commercial and industrial runoff and dumped into water sources
· Microbial activities responsible for various chronic and sub-chronic diseases with adverse effects on the human body
What can be done?
· Discourage the tendency of dumping off domestic and industrial wastes near water resources
· Flow of industrial wastes into water sources should be restricted until proper waste treatment
· Avoid over-use of pesticides and fertilizers on farm lands as their wash-offs always disposes off to nearest water reservoirs
· Regular and proper cleaning of water storage tanks and pipelines with non-toxic ingredients
Effluents, suspended solids, dissolved gases, organic and inorganic wastes pry into the original chemistry of water, intruding with its quality. Only proper physical and chemical sanitation program can make it re-usable which needs to be compulsorily adopted as water is limited. Processing of water for drinking indulges a number of cleaning and disinfection mechanisms which includes the use of specialty chemicals, filtration products, RO purification systems, and other wastewater management services to meet the increasing demand of safe drinking water.
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