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Wet weather results in release of treated wastewater from Omeo wastewater treatment plant to start 19 September 2022

Ongoing wet conditions have continued to impact wastewater storages, with East Gippsland Water preparing for a necessary controlled release of recycled water at Omeo - commencing on Monday 19 September.

By news@gippsland - 13th September 2022 - Back to News

Significant rainfall through winter has resulted in the organisation's on-site recycled water storages reaching capacity, with the Bureau of Meteorology also warning of at least a 70 percent chance of La Nina conditions during spring.

Wastewater is being released between 10 and 20 megalitres, for comparison, the last release from Omeo was around 12 megalitres, a megalitre is one Olympic swimming pool

Wastewater is being released between 10 and 20 megalitres, for comparison, the last release from Omeo was around 12 megalitres, a megalitre is one Olympic swimming pool

Releasing wastewater

Between 10 and 20 megalitres of treated wastewater currently held on the Omeo wastewater treatment site will be slowly released in a controlled manner through 21km of paddocks and adjacent farmland, prior to undergoing significant dilution in Livingstone Creek some 2km away.

This is the second release at Omeo this year, with around 12 megalitres released in January. This release did not reach the Livingstone Creek and was absorbed into the local paddocks.

East Gippsland Water's Executive Manager Service Delivery, Neville Pearce, said after years of drought, the wet conditions were welcome news for the organisation's water supply, however they created problems for the wastewater system.

Preventing uncontrolled overflow

Mr Pearce said, "While consistent rain to fill up our water storages is great news for water supply coming into the warmer months, the opposite is true when it comes to wastewater."

"This water is treated to Class C standard and ordinarily used to irrigate pasture in Omeo. However, the past 18 months of exceptionally wet weather has meant irrigation has been impossible due to already saturated ground."

"The excess water is too much for our wastewater storages, with releases needed to prevent uncontrolled overflow into the environment." Mr Pearce said.

Ensured consistent quality

Mr Pearce said there had been misconceptions around the quality of the water released (also known as discharges). "The water has already been through a considerable treatment process, it's not raw wastewater. Our staff will continually monitor and test the water during the release to ensure a consistent quality to prevent environmental impacts."

East Gippsland Water is currently notifying adjacent residents, stakeholders and agencies about the imminent release and, as a precaution, warning signage is being erected in the immediate area. For further information, please contact East Gippsland Water on 1800 671 841.

Pictures from East Gippsland Water website.


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