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Catchments
Ovens River Catchment
NE_OVE075
Site visits
20-02-2004
Ovens River, Crusher (Milawa PS)
North East
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NE_OVE075 Ovens River Catchment
Friday 20th February 2004 11:00am
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
75
%
Electrical Conductivity
45
µS/cm
pH
5
pH Units
Reactive Phosphate (mg/L)
0.015
mg/L P
Temperature - WATER
24
° 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
c. Family Atyidae (glass shrimp)
0
50
Freshwater shrimp
5
10
Water-boatmen
4
10
Caddis-fly Larvae (Trichoptera)
7
5
Mayfly nymph (Ephemeroptera)
7
10
Stonefly nymph (Plecoptera)
8
2
Segmented Worm (Oligochaeta)
1
20
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 107
Total score: 23
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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25-10-2003
20-02-2004
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