Flow attenuation scheme, The Rye, Ashtead Common
Introduction
The photograph on this page of Flow attenuation scheme, The Rye, Ashtead Common by Hugh Venables as part of the Geograph project.
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Image: © Hugh Venables Taken: 25 Dec 2015
A dam with a half-blocked pipe through it, allowing normal flow along the stream but holding back water in very wet conditions.