Specialists argue that debris-filled drains significantly impair the area's drainage efficiency. Litter and fallen leaves obstruct the system, increasing flood risks during heavy rains.
A particular concern is the frequent disposal of cigarette butts into storm drains by smokers. The city has implemented preventive measures to discourage this behavior and ensure the functionality of the drainage system.
![Specially designed storm drain cover to prevent trash accumulation near Gangnam Station Seoul June 28 2024 AJU PRESS Park Jong-hyeok](https://image.ajunews.com/content/image/2024/06/28/20240628160158451977.jpg)
![Citizen lifts storm drain cover to help drain floodwater from street during 2022 monsoon season Courtesy of online community](https://image.ajunews.com/content/image/2024/06/28/20240628155848850814.jpg)
![Storm drain cover with yellow line cigarette butts and trash visible beneath near Gangnam Station Seoul June 28 2024 AJU PRESS Park Jong-hyeok](https://image.ajunews.com/content/image/2024/06/28/20240628164114704239.jpg)
![Storm drain cover near Gwanghwamun Station Seoul still clogged with debris June 28 2024 AJU PRESS Park Jong-hyeok](https://image.ajunews.com/content/image/2024/06/28/20240628164318901568.jpg)
![Storm drain cover near Gwanghwamun Station Seoul clogged with cigarette butts and fallen leaves June 28 2024 Leaves are also a major factor in drain blockages AJU PRESS Park Jong-hyeok](https://image.ajunews.com/content/image/2024/06/28/20240628164703571116.jpg)