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Catchments
Lake Colac Catchment
CO_LCO060
Site visits
15-09-2025
Lake Colac at Meredith Park, north end of lake
Corangamite
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CO_LCO060 Lake Colac Catchment
Monday 15th September 2025 17:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
169.3
%
Dissolved Oxygen mg/L
16.5
mg/L
Electrical Conductivity
7110
µS/cm
pH
8.5
pH Units
Reactive Phosphate (mg/L)
0.9
mg/L P
Temperature - AIR
22.5
° C
Temperature - WATER
16.6
° C
Turbidity - NTU
355
NTU
Water Conditions
Weather
Windy
Last rainfall
During the last week
Flow estimate
Water Appearance
Stream depth
0 - 50cm
Stream width
Hazards
Litter/Pollutants
bottles,plastic,waxed cardboard,cans,packets
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Mininum standard
Any level
Level 1
Level 2
Level 3
Level 4
Start date
First data:
End date
Last data:
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14-07-2025
15-09-2025
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