... were mostly built in the eighteenth, nineteenth or twentieth centuries, when construction methods were both varied and evolving. They have therefore never been fully assessed against modern dam engineering standards. The National Trust has endeavoured to identify and manage all its non-statutory...

...H. Fahlbusch The Jawa dam in northern Jordan is often regarded as the oldest known dam in the world. The structure and the famous Sadd el Kafara in Egypt are both well known. However, it seems logical that these large dams had forerunners with an unknown chain of development. Research works over...