2008/14 +2023 – Malmsbury (Victoria) – E.coli

‘Boil your water or risk gastro-like symptoms’: Drinking water compromised in two Victorian towns


Residents in two Victorian towns have been warned to boil their drinking water or risk vomiting, diarrhoea and abdominal pain.
The safety of the drinking water in Kyneton and Malmsbury, in the Macedon Ranges, was compromised after a water main burst about 1am on Tuesday, resulting in low pressure in the water system.
A health alert was issued to advise residents to boil any water being used to drink, prepare food or beverages, brush teeth, freeze for ice or to make baby formula to avoid “gastro-like symptoms”.
Water needs to be brought to a rolling boil “until a continuous and rapid stream of air-bubbles is produced from the bottom of a pan or kettle”.
“After heating, water must be allowed to cool before using it,” Coliban Water said.
“It can then be stored in a clean, closed container for later use.”


2008/14 –  Malmsbury (Victoria) E.coli

2008/9 Malmsbury E.coli  1/100mL (98.1% samples no e.coli ) (1 positive)

1/3/12 Malmsbury E.coli  1/100mL

15/3/12 Malmsbury E.coli  2/100mL

2013/14 Malmsbury E.coli  1/100mL (98.1% samples no e.coli ) (1 positive)


Thermotolerant coliforms are a sub-group of coliforms that are able to grow at 44.5 ± 0.2°C. E. coli is the most common thermotolerant coliform present in faeces and is regarded as the most specific indicator of recent faecal contamination because generally it is not capable of growth in the environment. In contrast, some other thermotolerant coliforms (including strains of Klebsiella, Citrobacter and Enterobacter) are able to grow in the environment and their presence is not necessarily related to faecal contamination. While tests for thermotolerant coliforms can be simpler than for E. coli, E. coli is considered a superior indicator for detecting faecal contamination…” ADWG