[1] It consists of a complex system of well-planned small dams, draining into Speranza Valley, and then into the sea at Salina Bay.
[2] The lakes are formed behind a number of dams constructed by Sir Osbert Chadwick, a British engineer, in the late 19th century.
[1] Chadwick Lakes lie along Malta's only freshwater stream big enough to be called a rivulet, providing a tranquil environment for people to enjoy.
[2][3] In February 2009, Matthew Psaila a 19 year old gunner, drowned during an Armed Forces of Malta training exercise in Wied il-Qliegħa.
[4][5] As of 2018, Chadwick Lakes has been a site of particular interest to biodiversity and conservation specialists as the presence of alien species of crayfish is putting significant pressure on the local environment via predation and habitat destruction.