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Catchments
Lake Colac Catchment
CO_BRW010
Site visits
15-08-2003
Lake Colac Bird Reserve and wetland
Corangamite
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CO_BRW010 Lake Colac Catchment
Friday 15th August 2003 13:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
73
%
Electrical Conductivity
1000
µS/cm
pH
6.5
pH Units
Reactive Phosphate (mg/L)
0.11
mg/L P
Temperature - WATER
8
° C
Turbidity - NTU
0
NTU
Water Conditions
Weather
Last rainfall
Flow estimate
Water Appearance
Stream depth
Stream width
Hazards
Litter/Pollutants
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 0
Total score: 0
Overall rating: Poor
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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26-06-2003
15-08-2003
30-10-2003
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