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Catchments
Ovens River Catchment
NE_SIL020
Site visits
31-07-2002
Silver Creek, b4 Lake Sambell (Beechworth PS)
North East
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NE_SIL020 Ovens River Catchment
Wednesday 31st July 2002 12:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
85
%
Electrical Conductivity
54
µS/cm
pH
5.5
pH Units
Reactive Phosphate (mg/L)
0.015
mg/L P
Temperature - WATER
7.2
° 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
Caddis-fly Larvae (Trichoptera)
7
6
Mayfly nymph (Ephemeroptera)
7
50
Segmented Worm (Oligochaeta)
1
10
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 66
Total score: 15
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
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
Temperature - WATER
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Mininum standard
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First data:
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04-12-2001
31-07-2002
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