Cr Maguire said the council was flushing the system of any undesirable water.
"This will be conducted over the coming days and residents are
encouraged to continue boiling water," he said.
On Tuesday the council said its water was safe after a mechanical failure at
the Blackwater water treatment plant allowed
partially untreated water to enter the supply network.
E. coli can
produce gastroenteritis with vomiting, stomach cramps and diarrhoea
and can be particularly bad in infants.
chief executive Peter Westerhuis said up to 500 megalitres might have to be discharged after heavy rain
but the discharge was well within Environmental
Protection Agency conditions.
Rural lobby group AgForce
said the Government's policy of issuing permits to miners to discharge
contaminated water was a double standard, given it was regulating against
A spokeswoman for Acting Sustainability Minister Andrew Fraser said the mining
industry was strictly regulated while farming run-off was not.
The Government sought to put controls on farmers just as other sectors faced.
"If AgForce is suggesting that the same
environmental licensing requirements be placed on farms that are placed on
mines - including seeking licences for discharge
and monitoring of any impacts - then we welcome this change of heart,"