Under the Port Authorities Act 1999, Pilbara Ports is required to:

• Be responsible for maintaining port property
• Be responsible for port security
• Be responsible for the safe and efficient operation of the ports
• Control business and other activities in the ports or in connection with operation of the ports
• Facilitate trade within and through the ports
• Minimise the impact of port operations on that environment
• Plan for future growth and development of the ports
• Protect the environment of the ports
• Undertake or arrange for activities that will encourage and facilitate the development of trade and commerce for the economic benefit of the state through the use of the ports and related facilities