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Regulated Systems

Council maintains a register and conducts an inspection program of all businesses with a water-cooling system, air-handling system, and hot and warm-water system. These systems are known as regulated systems because they are regulated by the legislation. Regulated systems can provide an environment for Legionnaires disease and there are obligations that apply to building owners/occupiers and Council to prevent the spread of this disease in our community.

What are the responsibilities of building owner and occupiers?

  • Proper installation, maintenance and cleaning of the systems is a requirement under the Public Health Act and Regulations
  • Register regulated systems with Council. Download the form using the link below to notify us of your system.

Legionnaires prevention

Legionnaires disease is an infection of the lung caused by the Legionella bacteria. The bacteria causes a form of pneumonia and can be fatal. Regulated System owners can prevent Legionella growth through proper water treatment procedures and regular cleaning.

Regulated system inspections

Council has an obligation under legislation to keep a register of and inspect these systems to protect the health of our community. Building occupiers who fail to meet public health standards for these systems are liable to heavy fines or even imprisonment. Systems can be inspected by a Council Environmental Officer at any time.



To control legionnaires’ disease all premises with a regulated system must register the system with Council. Regulated systems include; water cooling systems, hot water systems, warm water systems & air handling systems. A dwelling is exempt from registration unless it has a water cooling system. These premises are regularly inspected by Council officers to ensure they comply with the Public Health Act 2010 and the Public Health Regulation 2012.

 Registration Form - Notification of Regulated System45KB pdf(PDF, 45KB)

Further Information

NSW Ministry of Health Legionella and Legionnaires Disease

This page was last updated on: 11 July 2019