The Public Health Regulation 2012 requires the occupier of a premises with a cooling tower to:
- Undertake monthly testing of the cooling tower water for the presence of Legionella bacteria and Heterotrophic Colony Count (HCC)
- Report test results that exceed the following 'reportable test results' to the relevant local council within 24 hours:
- Legionella counts ≥ 1,000 cfu/ml; or
- HCC levels ≥ 5,000,000 cfu/ml
To submit a reportable test result to CN please complete the NSW Health Form 4 Notification of reportable test result and submit to CN via firstname.lastname@example.org or for further information please contact Customer Service on 02 4974 2000.