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Catchments
Lake Colac Catchment
CO_LCO060
Site visits
23-08-2011
Lake Colac at Meredith Park, north end of lake
Corangamite
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CO_LCO060 Lake Colac Catchment
Tuesday 23rd August 2011 10:45am
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
95
%
Dissolved Oxygen mg/L
10.3
mg/L
Electrical Conductivity
4300
µS/cm
pH
9
pH Units
Reactive Phosphate (mg/L)
0.9
mg/L P
Temperature - AIR
12
° C
Temperature - WATER
11.3
° C
Turbidity - NTU
49
NTU
Water Conditions
Weather
Sunny
Last rainfall
During the last week
8
Flow estimate
Permanent
Water Appearance
Clear
Stream depth
Stream width
Hazards
Litter/Pollutants
bottles,plastic
Habitat
Lake side
Bank Erosion Stability
Bank Vegetation
In Stream Cover
Riffles Pools Bends
Verge Vegetation
Overall
Excellent
5
Fair
6
Good
8
Excellent
5
Fair
6
Good
30
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
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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
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29-06-2011
23-08-2011
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