In anticipation of investigative works to be conducted as part of the bulk water authority’s Dam Improvement Program, Seqwater will be lowering the water level of Lake Macdonald at Noosa. The lake water level will be lowered to approximately half a metre below the current full supply level to ensure the works can be completed.

Seqwater Chief Executive Officer Peter Dennis said the temporary lowering of the dam would not affect water security.

“The controlled releases of water required to achieve the lowering are not expected to have any environmental impacts. We have increased monitoring of the dam environment during the process and we encourage our dam neighbours to get in touch if they become aware of any potential problems,” Mr Dennis said.

“We are lowering the water level by releasing water through the outlet valve as well as a number of temporary siphons installed on the spillway crest. We expect the water level will be lowered by mid-September, so investigations can begin.”

Mr Dennis said the investigation work on the spillway at Lake Macdonald was expected to take about four weeks, subject to weather delays.

“We appreciate the patience of the local community as we undertake this essential work.”

Mr Dennis said the investigations would help inform the timing and scope of the planned Lake Macdonald dam upgrade.

Michelle is a freelance journalist and editor who, as well as covering all the latest and breaking industry news, is a gun proofreader and editor who never misses a trick.

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