UNEXPLAINED COVID fragments emerging in wastewater for areas north of the city are the latest alert to show the city cannot be complacent after existing lockdown.
Only one active case was recorded for Wednesday by health authorities and no new exposure sites were added to the DHHS list for Ballarat on Thursday.
But another unexpected positive test was recorded at the Ballarat North Wastewater plant on Gillies Street that covers the areas Wendouree, Ballarat North, Miners Rest, Learmonth, Creswick.
The majority of Ballarat's waste water is processed at the Ballarat south plant which has recorded eight positive cases in the last fortnight, although there have been two days without results.
On Thursday Victoria's virus response commander Jeroen Weimar said regional Victoria ihad delivered a good result on the first day out of lockdown for Ballarat..
"In terms of regional Victoria, a good day yesterday," Mr Weimar said. "Last night with easing the restrictions in Ballarat and my thanks to the community across Ballarat for their superb work.
"Of the 21 cases in regional Victoria, one case in Ballarat, a known primary close contact that has been isolating for their entire infectious period."
"In Bacchus Marsh, Moorabool, we have four new cases linked to exposure sites and work places in metro Melbourne."
Health authorities continue to urge the community to keep getting tested, even if for reassurance, to help build vital knowledge for health authorities with every negative test helping to build a strong picture of what Ballarat was facing.
Anyone who has visited an exposure site must get tested and isolate.
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