Expanding the self-developed ‘Seongdong-type Smart Rainwater Inlet’ to a total of 83 locations including Seongsu-dong Cafe Street

Automatically opens and closes when it rains... Solving chronic sewer odor and heavy rain flooding damage at once



Seongdong-gu Expands Installation of Smart Rainwater Inlets That Open When It Rains View original image


Seongdong-gu (Mayor Jung Won-oh) announced that it will expand the installation of the ‘Seongdong-type Eco-friendly Smart Rainwater Inlet,’ which improves existing rainwater inlets and prevents odor and flooding damage, to a total of 83 locations including Seongsu-dong Cafe Street.


The ‘Seongdong-type Smart Rainwater Inlet’ normally acts as a cover for the rainwater inlet to block sewer odors, and automatically opens when it rains to drain rainwater.


In particular, it uses solar power as an energy source, allowing for eco-friendly operation.


Before the full-scale rainy season, the district installed Seongdong-type rainwater inlets at 33 locations including Seongsu-dong Cafe Street and the Hanyang University area in Sageun-dong, and secured a budget to install an additional 50 locations around October.


Rainwater inlets, commonly seen installed on roads and alleys, are important facilities that drain rainwater into sewer pipes to prevent flooding damage. However, they often cause inconvenience to residents due to odors or illegal dumping of trash.


In particular, residents nearby have sometimes arbitrarily installed covers on rainwater inlets to block odors, which has been identified as a major cause of flooding damage during heavy rain when these covers are not removed in time.



Seongdong-gu developed the smart rainwater inlet over about one and a half years last year and installed it at 32 locations in the Wangsimni Doseon-dong area, continuously monitoring its performance.

Seongdong-type Smart Rainwater Inlet in front of Hanyang University

Seongdong-type Smart Rainwater Inlet in front of Hanyang University

View original image

Jung Won-oh, Mayor of Seongdong-gu, stated, “Ahead of the full-scale rainy season, we have installed rainwater inlet dredging, smart rainwater inlets, and semi-basement flood prevention facilities. We will continue to strive to protect the lives and safety of residents.”


This content was produced with the assistance of AI translation services.

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