This advice is to be followed for water header tanks when your water supplier has issued a boil water alert. When a boil water alert is lifted, building owners/managers should take a number of precautions before allowing water from building storage header tanks to be consumed.
The tank should be cleaned and disinfected in accordance with Australian Standard 3500 TITLE: National Plumbing and Drainage Code
The tank should drained and refilled before the water is declared safe for drinking.
Flushing of internal plumbing within centres can be achieved with three simple steps: