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Legionella Control and Warm Water Systems (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:

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 or contact Light Regional Council's Environmental Health Officer on 8525 3200

Fact sheets

Light Regional Council
PO Box 72
Kapunda SA 5373
Tel: (08) 8525 3200