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| Prof. Dr. Ainur Rofieq, M.Kes. (Foto : Istimewa). |
The rainy season brings blessings to regions across Indonesia, especially those facing difficulties with clean water during the dry season or those residing far from water sources. Often, communities collect rainwater for various daily needs, from personal hygiene to cooking. However, few are aware that rainwater is not always safe for consumption.
Prof. Dr. Ainur Rofieq, M.Kes., a lecturer in the Biology Education program at Muhammadiyah University of Malang (UMM), explains that rainwater can be consumed but with certain safety factors that need to be met. Despite appearing clean to the naked eye, when it falls onto the ground or rooftops, rainwater can become contaminated with pollutants such as dust, bird droppings, or airborne chemicals.
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Not only does rainwater potentially contain microbes and chemicals, but Rofiq also points out that rainwater tends to be acidic, which can harm the environment and degrade water quality. Additionally, heavy metals like lead or mercury, which may be present in rainwater, can pose health risks if concentrated in high amounts.
"During heavy rainfall, groundwater can become contaminated with various chemicals and microorganisms that are harmful to human health. Microbes such as bacteria, viruses, and parasites can cause diseases such as diarrhea, cholera, typhoid fever, skin infections, respiratory infections, and even cholera," he added.
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Therefore, before consumption, it is crucial to ensure that rainwater has been boiled to kill bacteria and other microorganisms that may be present. The use of appropriate water filtering or purifying devices can also help ensure that rainwater is safe to drink.
"By understanding the risks associated with contaminated rainwater, we can maintain the quality of our drinking water and protect ourselves and our families from potential hazards. Do not overlook the importance of testing and preventive measures, as our health is invaluable," he concluded. (bal/wil/fajr)
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