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Catchments
Ovens River Catchment
NE_OVE030
Site visits
25-11-2003
Ovens River, Bright (Bright p-12)
North East
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NE_OVE030 Ovens River Catchment
Tuesday 25th November 2003 12:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
75
%
Electrical Conductivity
30
µS/cm
pH
5.5
pH Units
Reactive Phosphate (mg/L)
0.008
mg/L P
Temperature - WATER
12.2
° C
Turbidity - NTU
10
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
c. Family Atyidae (glass shrimp)
0
25
Caddis-fly Larvae (Trichoptera)
7
10
Mayfly nymph (Ephemeroptera)
7
55
Stonefly nymph (Plecoptera)
8
25
Freshwater Snails (Gastropoda)
3
2
Segmented Worm (Oligochaeta)
1
10
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 127
Total score: 26
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
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Test 1
Temperature - WATER
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
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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Last data:
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12-12-2002
25-11-2003
12-03-2004
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