Reclamation Information Sharing Environment (RISE)

Lake Lowell, originally known as Deer Flat Reservoir, is an offstream reservoir formed by three earthfill dams enclosing a natural depression southwest of Nampa, Idaho. These three dams are the Upper, Middle (Forest Dam), and Lower Embankments. A fourth embankment called the East (Roadway Dike) is to protect farmsteads on the eastern end of the reservoir when the reservoir is full. The dams were constructed from 1906 to 1911. Columbia Basin Teletype (CBTT) = LOW.