Rain Garden (ogród deszczowy) Rondo T. Mazowieckiego

Storage for water

Surfacewater Storage & Infiltration

Rainwater Harvesting

Raingarden

Created at: 20 May 2025

Description

This solution is an example of integrated green-blue infrastructure within an urban transportation hub.\ At the center of the multi-level roundabout is a rain garden that serves a water retention function. The greenery inside the roundabout is designed to collect rainwater runoff from hardened surfaces such as roadways, tram tracks, and sidewalks.

Particular attention is drawn to the use of tram tracks constructed with permeable surfaces—this allows rainwater to infiltrate the space between the rails, from where it is directed into the ground or retention systems. This approach helps reduce the volume of water entering the stormwater drainage system and lowers the risk of flooding during heavy rainfall.

Thanks to the appropriate shaping of the terrain and the use of vegetation, it is possible to slow down the outflow of water into the drainage system, increase groundwater infiltration, and improve the microclimate of the immediate surroundings.

Such a solution not only supports local water retention but also enhances the aesthetic and ecological value of a densely urbanized area. The use of a rain garden in the center of a busy intersection also promotes biodiversity—pollinating insects and birds are attracted to the area.

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Maciej

• Submitted 1 projects
• Expert at Water
• Poland

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