lake burley griffin water quality monitoring - the National Capital ...
lake burley griffin water quality monitoring - the National Capital ...
lake burley griffin water quality monitoring - the National Capital ...
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LAKE BURLEY GRIFFIN WATER QUALITY MONITORING<br />
ALGAE AND BACTERIA SAMPLE RESULTS<br />
Sample Date – 20 December 2010<br />
Bacteria ‘Enterococci’ Results:<br />
LBG - 510<br />
LBG - 511<br />
LBG -512<br />
LBG -514<br />
LBG - 515<br />
LBG - 516<br />
LBG - 517<br />
Test<br />
Bacteria<br />
Enterococci<br />
cfu/100ml<br />
Temperature<br />
ºC<br />
Dissolved O 2<br />
mg/L<br />
Lotus Bay<br />
Ferry Terminal<br />
East Basin<br />
Yarralumla<br />
Beach<br />
Black<br />
Mountain<br />
Beach<br />
Weston Park<br />
East<br />
Weston Park<br />
West<br />
130 32 40 180 70 60 30<br />
19.2 19.6 18.3 19.0 18.9 19.7 19.2<br />
7.6 6.2 7.6 7.9 7.2 6.6 6.3<br />
Average Temp – 19.1c
Algae Results:<br />
Site<br />
Lotus<br />
Bay<br />
Ferry<br />
Terminal<br />
East<br />
Basin<br />
Yarralumla<br />
Beach<br />
Black<br />
Mountain<br />
Beach<br />
Weston<br />
Park<br />
(E)<br />
Weston<br />
Park<br />
(W)<br />
Total blue-green algae concentration<br />
(cells/mL)<br />
0 0 34 0 0 0 170<br />
Biovolume (mm 3 /L) 0.000 0.000 0.0004 0.000 0.000 0.000 0.014<br />
Proposed Recreational Alert Level * None None None None None None None<br />
High-risk Cyanophyta (cells/mL)<br />
Potential–risk Cyanophyta (cells/mL)<br />
Planktothrix 114<br />
Pseudanabaena 34<br />
Phormidium 53<br />
Low–risk Cyanophyta (cells/mL)<br />
Source: ALS Water Resources Group (Environmental Division) ALS Laboratory Group<br />
For information on how <strong>the</strong>se results affect <strong>the</strong> status of beach sites surrounding Lake Burley Griffin, please refer to <strong>the</strong> ‘ACT<br />
Guidelines for Recreational Water Quality’, accessible from any of <strong>the</strong> ‘Lake Water Quality Update’ pages on this website.
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