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Catchments
Yarra River Catchment
ME_YYR660
Site visits
20-11-1999
Yarra River- end of Forbes Street, Warrandyte
Melbourne
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ME_YYR660 Yarra River Catchment
Saturday 20th November 1999 10:00am
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen mg/L
9.8
mg/L
Electrical Conductivity
252
µS/cm
Nitrate - Nitrogen
0
mg/L
pH
8.2
pH Units
Reactive Phosphate (mg/L)
0.06
mg/L P
Turbidity - NTU
13
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
Freshwater shrimp
5
2
Water-boatmen
4
8
Caddis-fly Larvae (Trichoptera)
7
4
Segmented Worm (Oligochaeta)
1
12
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 26
Total score: 8
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
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First data:
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21-10-1998
20-11-1999
18-10-2000
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