Hydro Tasmania will release water from the Trevallyn Dam this afternoon in a bid to flush the contaminated First Basin.
The move comes in response to further high readings of bacteria, which were confirmed by a laboratory this afternoon, recorded in the latest round of tests conducted by Launceston City Council officers.
After a request from the council Hydro Tasmania will release 8 cumecs of water from the dam starting at 3.30pm today and continuing for approximately six hours.
Water levels in the Cataract Gorge are likely to remain elevated for approximately 12 hours.
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