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Catchments
Yarra River Catchment
ME_YBU087
Site visits
09-11-2000
Brushy Creek behind Croydon Village School
Melbourne
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ME_YBU087 Yarra River Catchment
Thursday 9th November 2000 13:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen mg/L
7.2
mg/L
Electrical Conductivity
950
µS/cm
Nitrate - Nitrogen
0.51
mg/L
pH
7.3
pH Units
Reactive Phosphate (mg/L)
0.352
mg/L P
Temperature - WATER
19
° C
Turbidity - NTU
54
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
Water-boatmen
4
2
Dragonfly Nymph (Odonata)
6
1
Freshwater Snails (Gastropoda)
3
10
Segmented Worm (Oligochaeta)
1
3
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 16
Total score: 10
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Ammonia-Nitrogen
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Test 2
Ammonia-Nitrogen
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Mininum standard
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First data:
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27-08-1998
09-11-2000
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