The Low-Level Aqueduct to Caesarea (Stratum IV)

The Naḥal Tanninim Dam was originally constructed as part of a complex water facility designed mainly to convey water to the city of Caesarea Maritima from the abundant springs in the lower basin of Naḥal Tanninim (Figs. 4.1, 4.2). The engineers who planned the project were surely familiar with the failure of the Lower Aqueduct (see Chapter 2). Thus, they decided to raise the stream water by the creation of a huge ‘elevation pool.’ This was achieved by constructing a dam across the breach of Naḥal Tanninim and Naḥal ‘Ada through the kurkar ridge (see Chapter 3), behind which the