Stanley Haviland was a New South Wales public servant who served as Under Secretary of the Department of Local Government from 1946 to 1960, and was President of the Metropolitan Water Sewerage and Drainage Board from 1960 to 1965. He was also prominent in the development and initiation of the Sydney Opera House as Chairman of the Opera House Executive Committee and the Sydney Opera House Trust from 1954 to 1969.

Sydney Water, formally, Sydney Water Corporation, is a Government of New South Wales–owned statutory corporation that provides potable drinking water, wastewater and some stormwater services to Greater Metropolitan Sydney, the Illawarra and the Blue Mountains regions, in the Australian state of New South Wales.