The water sector was under direct supervision of the Government of Grenada as a department of Public Works and operated from Tanteen, St. George's. In 1971 the business of water was separated from Public Works, relocated to the vicinity of Queen's Park (now National Stadium) and was called Water Works.
In the late 1970s Water Works was relocated to the Carenage and was called the Central Water Commission (CWC). In 1990 there was a name change to National Water and Sewerage Authority (NAWASA) by an Act of Parliament in 1990.