The Department of Health is a Western Australian government department responsible for regulating and advancing health within the state.
It manages a system of multiple Health Service Providers (HSPs) which make up Western Australia's public health system, and is collectively referred to as WA Health.
WA Health covers a state which spans over 2.5 million square kilometres, making it the world's largest single health authority by area.
The Public Health Department of Western Australia operated between 1911 and 1984.
[1] It merged with Mental Health Services and the Department of Hospital and Allied Services in July 1984, to become the Health Department of Western Australia.