The department reports to the:
- Minister for Environment; Climate Action Hon Reece Whitby MLA
- Minister for Tourism Hon Roger Cook MLA
The department incorporates the functions and staff of:
- the Parks and Wildlife Service
- Biodiversity and Conservation Science
- Botanic Gardens and Parks Authority
- Rottnest Island Authority
- Zoological Parks Authority
- Conservation and Parks Commission
- Swan River Trust
The department is led by acting Director General Peter Dans, who also acts as the Chief Executive Officer for the Botanic Gardens and Parks Authority, Rottnest Island Authority and Zoological Parks Authority.