Works commence to test through-flows to Lake Carramar

Melbourne Water is pleased to advise residents of a trial period of through-flows to Lake Carramar, one of the Quiet Lakes in the Patterson Lakes area.

The trial will determine if these flows reduce seasonal algae blooms and will run for a period of two years. Importantly, Melbourne Water has committed to conducting this trial at no additional charge to residents.

Local Member for Carrum Sonya Kilkenny said the initiative was a win for the community.

“Patterson Lakes residents are all too familiar with the issues caused by seasonal algae blooms and this is particularly true for residents of the three ‘Quiet Lakes’: Lake Illawong, Lake Legana and Lake Carramar,” she said.

“Lake Carramar has been particularly difficult to manage as it is cut off from the other two lakes, meaning even with the newly announced bore flushing, Lake Carramar would still miss out.

“Melbourne Water has seen the need to resolve this and is undertaking the engineering works necessary to conduct a two year through-flows trial for Lake Carramar.

“Residents will enjoy the benefits of these flows without any additional charges for two years while the effectiveness of the trial is determined.”

Melbourne Water Regional Services Manager, South East, John Woodland, said he was pleased to be commencing the first stages of work on the trial.

“We have undertaken the initial replacement of valves located at the Macleod Road pump station, in order to allow us to manually manipulate water levels in Lake Carramar, which will allow the through-flows,” he said.

“We have used a team of divers to replace two valves which were submerged and have replaced another valve above the water level. 

“With these works now finalised we are all set to commence through-flows into the lake and residents can expect this to commence in the coming weeks.

Algae occurs naturally in waterways and forms blooms during hot weather, periods of drought or low flow, or where there is an accumulation of nutrients in waterways or water bodies.

“We expect the through-flows will help to lessen the frequency and severity of seasonal algae blooms which have occurred in Lake Carramar for many years.”

“We work to deliver waterway health projects like this one efficiently and responsibly and we thank the community of the Quiet Lakes for their patience while we conduct these important works.”

Further information will be provided to the community on the success of the through-flows in coming months. Future arrangements for funding will be determined after the completion of the two year trial period.