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Canberra Today 18°/20° | Sunday, April 28, 2024 | Digital Edition | Crossword & Sudoku

Enough, already. Fix Lake Tuggeranong!

Here we are in early 2023 with Lake Tuggeranong smelly, untouchable and not safe for young ones to play and paddle about in the water. Photo: Paul; Costigan

“The target has to be that when the warmer season rolls around later this year (November), children and families will be swimming in Lake Tuggeranong. There has been enough planning, enough research and definitely enough announcements. Anything less than that target will be a fail,” writes “Canberra Matters” columnist PAUL COSTIGAN.   

THIS being the latter part of summer, families and children should have had loads of fun at the lakeside facilities around Lake Tuggeranong. Not so – the waters remain off limits due to nasty green blobs floating about and poisonous algae in the water.

Paul Costigan.

In June Lake Tuggeranong was reported as having the lowest-health rating to date. Greenslabor politicians were able to point to their announcements, the dollars spent and the actions taken. All this delivered the lowest health rating. Something has to change.

In July, the Greenslabor government made a big splash with the announcement of the establishment of the ACT Office of Water. This office would co-ordinate efforts to deal with water issues. Two ACT Greens ministers, Shane Rattenbury and Rebecca Vassarotti, were excited and proud of this achievement – a new office.

Here we are in early 2023 with Lake Tuggeranong smelly, untouchable and not safe for young ones to play and paddle about in the water.

A search online reveals a very simple webpage for the new office that may be located somewhere within the labyrinth of the ACT planning directorate. This directorate has an organisational chart dated early 2022 – so it is unknown how the Office of Water sits within the directorate’s massively complex hierarchical arrangements.

The suspicion is that it will suffer the same fate as other city functions such as climate change, heritage, the environment and sustainable urban development. They are relegated to low priority within the world of the authority for minimal regulated developments. 

Earlier in January, Nicole Lawder, Canberra Liberals, made the point at a gathering on one of the Lake Tuggeranong beaches, that the ACT government has been talking about fixing up the lake for almost a decade. 

She acknowledged that money had been spent, that announcements had been made and that Greenslabor broadcast that it was to establish the ACT Office of Water. She was standing near massive amounts of green stuff on the lake and a sign nearby that said stay out of the water.

This gathering by the lake was a good example of a local member at work. Nicole had taken the positive step of producing a publication to guide what could happen next. That document – “A New Approach to Improving Water Quality in Canberra Lakes and Waterways” – is available online

Missing in action is the Labor local member Mick Gentleman, Greenslabor Minister for Planning. He should be active in getting something tangible done to have the lake open again for people to enjoy. Not so, apparently.

As Lawder admits, finding solutions for Lake Tuggeranong is complex. Everyone knows that part of the problem is what comes off residential lands, such as leaves, fertilisers (especially when piled on gardens before downpours) and whatever people put down the stormwater drains.

Here’s a question. The residents of Tuggeranong near the lake (that includes several kilometres back) must be doing the same as residents near other waterways such as Lake Burley Griffin and Lake Ginninderra. Yet while these lakes have had the occasional similar issues, there has not been the sustained presence of algae as has been in Lake Tuggeranong for the last decade. What is that about?

Algae on lake Tuggeranong. Photo: Paul Costigan

With all the bluster from the ACT Greenslabor ministers, what does not get mentioned when they make announcements is the setting of targets to be met and dates for when they will be completed. 

Here’s a target that should be easy enough for any of the ministers to understand. To demonstrate they are serious, the target (performance indicator) has to be that when the warmer season rolls around later this year (November), children and families will be swimming in Lake Tuggeranong. 

There has been enough planning, enough research and definitely enough announcements. Anything less than that target, kids swimming, will be a fail. 

Local members in Tuggeranong need to be challenged over this in the lead up to the 2024 ACT elections. Water Minister Rattenbury and Environment Minister Vassarotti need to ensure this target is met or else regard themselves as being failures.

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Paul Costigan

Paul Costigan

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6 Responses to Enough, already. Fix Lake Tuggeranong!

Michael Moore says: 4 February 2023 at 9:46 am

The stage 3 study into lake Tuggeranong identified exactly where and when the bulk of phosphorus is entering (kambah and village creeks during high rainfall/flow events). Re-engineering these catchments to capture these excess nutrients would be incredibly complex and expensive as most of the stormwater infrastructure is underground.
Yes more needs to be done in these specific catchments and yes the Gov needs to put in place stricter nutrient guidelines. But expecting a clean, swimmable lake in 9 months time? Unrealistic timeframe for such a complex case of eutrophication.
Anyone serious in addressing the water quality issues of lake Tuggeranong would do well to build on the comprehensive studies already conducted and address their recommendations.

Reply
Greenway Admirer says: 6 February 2023 at 4:10 pm

Been going on for years. Would a (large) water circulation device or fountain in the lake centre help? Good for aesthetics too.

Reply
Michael Moore says: 7 February 2023 at 2:41 pm

Circulation would not address the primary cause of the algae blooms, being excessive phosphorus entering from surrounding storm water catchments.

Reply
Christopher Emery says: 8 February 2023 at 12:21 am

The answer is known – sweep the streets once a week like other comparable cities, here and overseas. Near Civic we have road gutters that have not been swept for 5 years.

Reply

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