Legionella Control and WWS
The following information is provided to owners and operators responsible for the control of Legionella in manufactured water systems particularly: Cooling Water Systems, and Warm Water Systems.
High Risk Manufactured Water Systems must be operated and maintained in accordance with the following:
Public and Environmental Health (Legionella) Regulations 2008
Australian and New Zealand Standards (AS/NZS 3666)
Guidelines for the Control of Legionella
Australian Standards can be purchased on-line from Standards Australia or locally at Standards and Technical Publications, 45D Sussex Terrace, Hawthorn SA 5062.
A summary of new laws applying to the operation of High Risk Manufactured Water Systems is provided below.
Effective 1 October 2008
- All new High Risk Manufactured Water Sytems must be registered with Council within one month of commissioning
- Positive Legionella counts must be reported to Council within 24 hours
Before 1 April 2009
- All existing high risk manufactured water systems must be registered with Council
- Automatic biocide dosing devices must be fitted to each cooling water system
Before 1 October 2009
- Drift eliminators must be fitted to each cooling water system
- Plans, manuals and up to date log books for each system must be kept on the premises in an accessible location
You can download registration forms from Public Health SA
- Decontamination of high risk manufactured water systems
- Is my Heated Water system captured under Legionella Regulations
- What is a Cooling Water System
- Compliance inspections by a 3rd party