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Access to safe and healthy water is the criterion for improving health and the most effective factor in preventing diseases and solving problems caused by unsanitary water. Healthy water is water that does not have pathogenic agents, harmful chemicals, organic and mineral substances, taste, color and smell. One of the important issues in water pollution is the presence of heavy metals in it, if the amount of these elements in water is higher than the permissible limit, it will cause health problems. Heavy metals in drinking water can have harmful effects on human health, including the effects of reducing the growth of organs, cancer, disorders in the body's nervous system, and disorders in the body's defense system. In severe cases, it can lead to death. Among these metals, copper, aluminum, iron, and manganese elements can be mentioned. The presence of copper in water in high amount causes diseases such as anemia, changes in bones, increase in cholesterol and green hair in the body and sometimes leads to It will lead to death and large amounts of it in the body cause nausea, vomiting and diarrhea. A high amount of aluminum in water causes Alzheimer's disease. The World Health Organization has recommended the permissible amount of aluminum in drinking water to be around 0.2 mg/lit because it causes problems in the taste and smell of water. Due to their abundance in the earth's crust, iron and manganese easily enter underground water sources. The presence of these two elements even in low concentration causes aesthetic and operational problems, so that if the amount of these two elements reaches more than 0.3 mg/lit, adverse effects such as unpleasant taste, reddening of the water and stains on the equipment and Clothes, the accumulation of sediments in water pipes, the growth of chronothrix bacteria and other iron bacteria in the water network and the unpleasant smell caused by dark brown spots caused by manganese. Therefore, the identification and measurement of these four elements is of particular importance, and since the amount of these four elements has not been measured in the water supply system of Ilam city, therefore, it is tried to measure the available copper, aluminum, iron, and manganese. In the sources of drinking water and water distribution network of Ilam city and comparing it with the standard, appropriate solutions should be provided to reduce the concentration of the mentioned elements and mitigate their adverse effects. More about this source textSource text required for additional translation information Send feedback. 

Keywords: Copper, aluminum, iron, manganese, distribution network, drinking water sources, Ilam city

     

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