The British Dam Society
A growing, inclusive and vibrant society; sharing knowledge and improving reservoir safety

About Dams

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Boats on a lake

Reservoirs are created to provide a benefit to people. However, the flooding, or inundation, of land and the management of the reservoir water can have an unfavourable effect on people, the wildlife and the environment, not only in and around the valley, but also downstream of the dam. The disadvantages of creating a new reservoir should be considered during the planning stages. Suitable methods should be decided upon to eliminate or reduce the disadvantages, so that the reservoir provides an overall benefit to people.

These are some of the issues that are considered: