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Catchments
Lake Colac Catchment
CO_BRO023
Site visits
17-02-2010
Barangarook Creek @ Murray St
Corangamite
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CO_BRO023 Lake Colac Catchment
Wednesday 17th February 2010 15:30pm
Approved
Notes
Physical Chemical Tests
Electrical Conductivity
1680
µS/cm
pH
7.3
pH Units
Reactive Phosphate (mg/L)
0.06
mg/L P
Temperature - AIR
25.5
° C
Temperature - WATER
20.5
° C
Turbidity - NTU
11
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
a. Family Parastacidae (freshwater crayfish or yabbies)
5
4
Caddis-fly Larvae (Trichoptera)
7
40
Damselfly Nymph (Odonata)
6
1
Water mites (Acarina)
5
2
Freshwater Snails (Gastropoda)
3
11
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
4
1
Segmented Worm (Oligochaeta)
1
1
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 60
Total score: 26
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 - FTU
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - FTU
Turbidity - NTU
Mininum standard
Any level
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Start date
First data:
End date
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10-12-2009
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