Rainwater Gardens in urban landscapes

June 15, 2020

The growing trend to pave our driveways and front gardens allows rainwater to be quickly directed into the drainage system, which during heavy rain and storms can cause local flooding.  

First developed in the United States in the 1990s, rain gardens are a popular flood prevention approach. They comprise landscaped areas, designed to help slow down surface water run-off, reducing the rate at which it enters the surface water drainage system.

As well as helping to prevent flooding, rain gardens can make attractive features in front or rear gardens that can also benefit wildlife and attract bees and other pollinating insects.

Woking Borough Council is working in partnership with Surrey County Council and Highways to install rain gardens as part of a pilot project across the borough in areas that are susceptible to flooding.

The first rain garden was installed in February 2019 in Blackdown Close, Sheerwater, where the existing roundabout was converted with a range of plants that are also good for pollinating insects.

The garden, which has successfully worked to manage surface water run off during heavy rain and storms, has also provided an attractive perennial garden for residents to appreciate.

The project team is actively identifying further locations across the Borough that have suffered from past flood events that will benefit from the installation of rain gardens.


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