After heavy rains, stagnant water often stands still on streets, rooftops, and empty spaces in cities, appearing harmless but actually causing serious health problems that many people don’t realize.
While rain usually feels fresh and clean, water that stays in one place for a long time can become a home for harmful germs and insects that spread diseases.
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In many cities, drains and gutters get blocked, causing rainwater to collect and stay for days or even weeks during the rainy season. This still water is perfect for mosquitoes to breed.
When these mosquitoes multiply, more people, especially children, older adults, and those with weak immune systems, can get sick.
Stagnant rainwater doesn’t just bring mosquito problems. It can also carry harmful bacteria and tiny parasites. When rainwater mixes with dirt, garbage, and chemicals from roads or factories, it can become dirty and dangerous.
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People who touch or accidentally drink this water risk getting infections like leptospirosis, a disease caused by bacteria found in water contaminated by animal urine, and skin infections from long contact with dirty water.
These risks are higher because stagnant water often gathers near homes, schools, and markets—places where many people spend time. Kids playing in puddles, people walking through flooded streets, and vendors working near wet areas are especially at risk. Many might not know about these dangers or how to protect themselves, which increases the chances of falling ill.
City officials are starting to understand these problems. They are working to fix drainage systems and spread awareness to keep people safe. But there is still a lot to do.
People can help by cleaning gutters, covering water containers, and stopping water from collecting around their homes. Using mosquito nets, wearing long clothes, and applying mosquito repellent can also protect from bites.
To stay safe from the hidden dangers of stagnant rainwater, both local governments and communities need to work together. By learning about the risks and taking simple steps, people living in cities can protect their health during and after the rainy season.