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Catchments
Yarra River Catchment
ME_YML120
Site visits
17-11-1999
Mullum Mullum Creek -Crystal Brook Caravan Pk
Melbourne
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ME_YML120 Yarra River Catchment
Wednesday 17th November 1999 13:30pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen mg/L
6.8
mg/L
Electrical Conductivity
487
µS/cm
Nitrate - Nitrogen
0
mg/L
pH
8
pH Units
Reactive Phosphate (mg/L)
0.9
mg/L P
Turbidity - NTU
55
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
h. Order Anostraca (fairy shrimp and introduced sea monkeys)
4
4
Freshwater Snails (Gastropoda)
3
8
Segmented Worm (Oligochaeta)
1
2
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 14
Total score: 4
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
Nitrate - Nitrogen
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
Nitrate - Nitrogen
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Mininum standard
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26-10-1998
17-11-1999
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