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BGA in LBG – The Lake unsafe

johnboy 6 February 2009 14

Yesterday it was Lake Tuggeranong, today Lake Burley Griffin.

The NCA has announced most of Lake Burley Griffin is now unsafe:

    Water test results received today by the NCA indicate that algae levels are at an unacceptable level in the following areas of Lake Burley Griffin:

    — East Basin
    — Central Basin
    — West Basin
    — West Lake including Yarralumla Bay, Lotus Bay, Weston Park East swimming area.

    At current concentrations, it is unsafe to use the lake for recreational activities that involve immersion in the water, such as swimming and bathing in these areas.

    A warning is also issued for elevated blue green algae levels at Black Mountain swimming area and primary contact recreation is not recommended.

The NCA has a specialpage for weekly updates on the Lake’s condition.


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14 Responses to BGA in LBG – The Lake unsafe
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Duke Duke 11:07 pm 07 Feb 09

BGA also has to do with the fact that the water in LBG never moves……..it just sits there and stagnates, there is no airation of the water.

All the more reason to get some big booming V8 powerboats out there to get some currents going.

I’m going to try my luck swimming there on Sunday. In this heat i’ll take my chances.

SheepGroper SheepGroper 8:58 pm 07 Feb 09

Growing warmer and multiplying its toxins! Quick! Drink it befire it’s too late!

Gungahlin Al Gungahlin Al 5:03 pm 07 Feb 09

And 2nd time around you’d have thought I’d have picked up the typos…sheesh.
Where’s me beer?

Gungahlin Al Gungahlin Al 5:02 pm 07 Feb 09

Grr – bloody tags – try that again:

Vic Bitterman said :

Within reason, I think a lot of this is BS.

I can recall growing up in country Vic (with my rose coloured glasses on) spending our summer days enjoying ourselves in swimming holes, rivers and so on. Back then, no water samples taken, and no idea of water volume being turned over, nasties such as BGA and so on. Good times back then.

I think somewhat these days we are wrapped in cotton wool.

Yeah right. But you forget that ‘back in your day’, lots of people got sick but the doctors didn’t know why, they got a ‘dose of the trots’ and thought it was the leftovers, and so on. And 15 of you lived in cardboard box. Spolied rotten i say…

The difference is that now we tend to know why more often. And there ain’t no cotton wool going on to avoid exposing your kids to *known* toxic conditions.

But Vic – no-one’s stopping you. Money where your mouth is buddy – enjoy your swim in Lake Tuggers!

Gungahlin Al Gungahlin Al 5:01 pm 07 Feb 09

Within reason, I think a lot of this is BS.

I can recall growing up in country Vic (with my rose coloured glasses on) spending our summer days enjoying ourselves in swimming holes, rivers and so on. Back then, no water samples taken, and no idea of water volume being turned over, nasties such as BGA and so on. Good times back then.

I think somewhat these days we are wrapped in cotton wool.

Yeah right. But you forget that ‘back in your day’, lots of people got sick but the doctors didn’t know why, they got a ‘dose of the trots’ and thought it was the leftovers, and so on. And 15 of you lived in cardboard box. Spolied rotten i say…

The difference is that now we tend to know why more often. And there ain’t no cotton wool going on to avoid exposing your kids to *known* toxic conditions.

But Vic – no-one’s stopping you. Money where your mouth is buddy – enjoy your swim in Lake Tuggers!

Gobbo Gobbo 9:27 am 07 Feb 09

Health effects

Blue green algae produce a wide range of toxins, each of which has specific properties. The toxins are commonly grouped according to their mode of action:
• hepatotoxins – cause damage to the liver
• neurotoxins – cause adverse effects to the nervous system
• irritants/inflammatory agents – cause skin rashes, eye irritation and gastroenteritis.

The toxic effects of blue green algae can occur following ingestion or contact with affected water.

Symptoms vary according to the type and number of blue green algae present but commonly include skin rashes, eye irritation, stomach upsets and flu-like symptoms.

Preventing illness
• Avoid contact with coloured surface films or scums in fresh or marine water bodies
• If you suspect contamination of a water supply with blue green algae, do not use the water for any purpose including drinking, cooking, washing or showering
• Boiling the water will NOT make it safe to drink
• Do not consume shellfish from a water source where blue green algae is present or suspected
• Restrict pet and livestock access to any water supply containing or suspected of containing blue green algae
• Do not let animals bathe in or drink contaminated water
Particular care should be taken with dogs as they can ingest very high concentrations of organisms from grooming their coat after contact
• If irrigation with water contaminated with blue green algae is unavoidable, do not use directly on plants being grown for human consumption.

Information courtesy of http://www.health.sa.gov.au/PEHS/PDF-files/ph-factsheet-blue-green-algae.pdf

Kramer Kramer 8:33 am 07 Feb 09

My kids and I swam in LBG at Yarralumla Bay during the week. My boys insisted on drinking the water too – just to spite/disgust me. Everyone is still OK.

Maybe this is an inside deal with the proprietors of Canberra’s commercial pools to get people coming to them in the hot weather rather than going to the lakes and rivers in this hot weather…

T1G3R T1G3R 2:29 am 07 Feb 09

Blue green algae is actually bacteria. Its no suprise its thriving with this current heat we are having plus low rainfall. It’s ideal conditions for any bacteria really, its damp and hot like a piece of chicken not properly cooked or a bottle of milk left out on a warm day 😛

miz miz 10:39 pm 06 Feb 09

Horrible smell emanating from Tuggeranong Lake this evening as we went along Athllon Drive. Pheeew. Like sewage. Does the algae do this, or is there a spill?

Deckard Deckard 9:58 pm 06 Feb 09

Gungahlin Al said :

Kambah Pool too I heard on the radio this arvo – pity for anyone thinking about hauling the family over there for a swim tomorrow.

You’d think Kambah Pool wouldn’t be too affected as it’s a flowing river.

Vic Bitterman Vic Bitterman 9:54 pm 06 Feb 09

Within reason, I think a lot of this is BS.

I can recall growing up in country Vic (with my rose coloured glasses on) spending our summer days enjoying ourselves in swimming holes, rivers and so on. Back then, no water samples taken, and no idea of water volume being turned over, nasties such as BGA and so on. Good times back then.

I think somewhat these days we are wrapped in cotton wool.

Gungahlin Al Gungahlin Al 9:32 pm 06 Feb 09

Kambah Pool too I heard on the radio this arvo – pity for anyone thinking about hauling the family over there for a swim tomorrow.

Fiona Fiona 9:13 pm 06 Feb 09

ugh and someone wanted me to enter a triathlon with them

uh no

canberra bureaucrat canberra bureaucrat 8:55 pm 06 Feb 09

Lovely. I saw two people swimming across it today. For their sake I hope they didn’t drink too much.

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