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Swales are ditches or trenches built to directandslow the flow of rainwater so that it has a chance to sink intothesoil. While many gardeners dig swales on hillsides, allthatis required is that the outlet on the far end of theswale islower than the swale itself.
Similarly, it is asked, what is the purpose of a swale?
A swale is a shady spot, or a sunken ormarshyplace. In particular, in US usage, it is a shallow channelwithgently sloping sides. Such a swale may be either naturalorman-made. Artificial swales are often infiltrationbasins,designed to manage water runoff, filter pollutants, andincreaserainwater infiltration.
Beside above, what is a swale in landscaping?
Swales can be part of an area'snaturallandscaping, or they can be created to help ensureproperdrainage, minimize runoff or capture storm water. In simpleterms,they are generally shallow ditches that have gentlyslopingsides.
- BUILD A BERM, a small hill covered with grass or otherplantsthat will divert runoff around what you want to protect.
- ROUTE THE WATER INTO A DRY WELL.
- GRADE BROAD SURFACES to direct runoff away from houses,sheds,barns, and patios.
- INTERCEPT THE WATER by using a swale, a shallow ditchwithgently sloping sides.