Legionella Control and WWS

 Legionella Control

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

Fact sheets


After Hours Contact Call 08 8522 9211
43 High Street, Gawler East SA 5118
Tel: 08 8522 9211
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