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Catchments
Lake Colac Catchment
CO_LCO060
Site visits
15-06-2026
Lake Colac at Meredith Park, north end of lake
Corangamite
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CO_LCO060 Lake Colac Catchment
Monday 15th June 2026 12:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
138.75
%
Dissolved Oxygen mg/L
15.3
mg/L
Electrical Conductivity
8.92
µS/cm
pH
9
pH Units
Reactive Phosphate (mg/L)
0.51
mg/L P
Temperature - AIR
11.8
° C
Temperature - WATER
11
° C
Turbidity - NTU
72
NTU
Water Conditions
Weather
Overcast
Last rainfall
During the last week
Flow estimate
Water Appearance
Clear,Stained green
Stream depth
0 - 50cm
Stream width
Hazards
Litter/Pollutants
bottles,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:
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Last data:
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15-06-2026
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