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Catchments
Lake Colac Catchment
CO_LCO060
Site visits
01-05-2012
Lake Colac at Meredith Park, north end of lake
Corangamite
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CO_LCO060 Lake Colac Catchment
Tuesday 1st May 2012 11:45am
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
98
%
Dissolved Oxygen mg/L
9.6
mg/L
Electrical Conductivity
8300
µS/cm
pH
8.5
pH Units
Reactive Phosphate (mg/L)
0.14
mg/L P
Temperature - AIR
20
° C
Temperature - WATER
15
° C
Turbidity - NTU
250
NTU
Water Conditions
Weather
Overcast
Last rainfall
During the last week
Flow estimate
Water Appearance
Stained green
Stream depth
0 - 50cm
Stream width
Hazards
Litter/Pollutants
cans
Habitat
Lake - weeds, no sedges or reeds, no waterbirds today
Bank Erosion Stability
Bank Vegetation
In Stream Cover
Riffles Pools Bends
Verge Vegetation
Overall
Excellent
5
Poor
4
Poor
4
Excellent
5
Poor
4
Fair
22
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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Level 1
Level 2
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Level 4
Start date
First data:
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30-03-2012
01-05-2012
16-06-2012
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