The long-term effects of high saline water in Lake Cooper are cause for concern, a Corop farmer says.ELAINE COONEY January 15, 2014 4:22am
Corop farmer and member of the Cornella Local Area Planning group Tait Hamilton is concerned about the long-term effects the high saline water in Lake Cooper could have on the lake and surrounding farmlands.
He said the evaporating water in the lake made it high in saline and believed the figure to be as high as 46,000 EC compared to 150 EC during its better years.
EC is a measure of electrical conductivity which is higher when more salts are present.
Mr Hamilton said the highly saline water in Lake Cooper would mean it could not be transferred to Greens Lake, which farmers used for irrigation.
It was also transferred to the lake for flood mitigation purposes and Mr Hamilton was worried that if the salinity levels were not controlled and the lake hit its maximum level, local farmers could face a flood risk if the water had no-where else to go.
He said if the water level at the lake continued to fall, the salinity levels would rise.
Goulburn-Murray Water general manager of catchment services Graeme Hannan said the organisation checked the salinity levels weekly and Lake Cooper’s level frequently fluctuated and was presently above stock drinking water standards.
He said Lake Cooper was not part of the Goulburn-Murray Water supply system, so it was not intentionally filled for any purpose.
“As it is dependent on Cornella Creek flows, Lake Cooper’s water levels cannot be secured,” he said.
Mr Hannan said Goulburn-Murray Water adhered to the Greens Lake operating rules when considering releases from Lake Cooper into Greens Lake for salinity mitigation purposes.
“At the moment the water level of Lake Cooper is too low to conduct such a release,” he said.
Mr Hamilton has been involved with the care of Lake Cooper for the past 20 years and is campaigning for the use of environmental flows from Lake Eildon to help with the salinity issue.
He said environmental flows to the lake would also support the nearby wetlands which were also drying up.
Mr Hamilton said there were enough identified environmental issues to be granted access to environmental water.
Mr Hannan said the decision to supply water for environmental purposes rested with the Victorian Environmental Water Holder.
“The Victorian Environmental Water Holder would assess the conditions, and should the holder feel an environmental supply is necessary, Goulburn-Murray Water would meet the request for supply,” he said.
Mr Hamilton said Goulburn-Murray Water had been supportive of the planning group and changes to the federal water policy were needed to make filling the lake easier.
He said the changes would need to allow for Lake Cooper to be used as a regulated water storage facility.
He said if any of the lakes user-groups were to buy in water it could cost up to $1.5 million.
Mr Hamilton said the lake had high salinity and high soil content in 1993 and a $3 million government grant allowed planting of native vegetation to prevent the soil slipping into the lake and also fences along the waterways to prevent the vegetation being eaten by stock.
Goulburn Valley Football League chairman Trevor Pollard has been voted off the competition's board at the annual general meeting.
Living with a disability will be in the spotlight on Wednesday, December 3 when community organisations compete in an ‘all abilities’ challenge through the streets of Yarrawonga.
Last week Victorian Collections passed a major milestone, with the 50000th historical object record from the state’s heritage collections uploaded to the site.
Hundreds flocked to Gunbower on Sunday to watch the Gunbower Pacing Cup.
The Christmas decorations exhibition at the Rochester Shire Hall was a hit with many visitors.
Local recovering after workplace injury
Simone Robson and her young daughter shouldn't even be alive - but she has found a remarkable form of rehabilitation that could lead on to something much bigger.
No luck for Finley in Murray Valley cricket.
Tayla Edsall has donated her long locks to the Cut for Cancer program, which makes wigs for cancer patients.
Cobram entrant joins hundreds starting the Massive Murray Paddle.
Deniliquin business Charlie Carp attracts international interest.
A spring Future Orchards walks will be held at Coomboona on Friday November 28 from 9.30am.
Top price was a pen of first-cross border leicester/merino ewes offered by Tony and Anne Mort of ‘Mardie’, Winton and purchased by Heath Cowell of ‘Mundara’, Tallarook for $208.
Discover unbelievable local deals from local businesses every week in the Goulburn and Murray Valley area with Leapon.com.au!
Search properties for sale or rent across North Central Victoria and Southern NSW. Visit your local website for local homes....
Search for published and unpublished photos from McPherson Media Group newspapers and magazines. All our photos are available to purchase.
Place an advertisement in any one of McPherson Media Group's local newspapers.