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Catchments
Yarra River Catchment
ME_YGR010
Site visits
22-07-1999
Blackburn Lake Northeastern end
Melbourne
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ME_YGR010 Yarra River Catchment
Thursday 22nd July 1999 12:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen mg/L
6
mg/L
Electrical Conductivity
260
µS/cm
Nitrate - Nitrogen
2
mg/L
pH
8
pH Units
Reactive Phosphate (mg/L)
0.3
mg/L P
Temperature - WATER
16.5
° C
Turbidity - NTU
50
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
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 0
Total score: 0
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
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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
Any level
Level 1
Level 2
Level 3
Level 4
Start date
First data:
End date
Last data:
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05-05-1999
22-07-1999
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