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Catchments
Maribyrnong River Catchment
ME_MGH450
Site visits
24-09-2012
Garden Hut Creek @ Old Wier Kolora
Melbourne
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ME_MGH450 Maribyrnong River Catchment
Monday 24th September 2012 11:45am
Approved
Notes
Physical Chemical Tests
Ammonium
0
mg/L NH4+
Dissolved Oxygen % Saturation
76.8512
%
Dissolved Oxygen mg/L
8
mg/L
Electrical Conductivity
320
µS/cm
pH
7.4
pH Units
Reactive Phosphate (mg/L)
0.05
mg/L P
Temperature - AIR
9
° C
Temperature - WATER
13.5
° C
Turbidity - NTU
10
NTU
Water Conditions
Weather
Overcast
Last rainfall
During the last 24 hours
2
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Stained brown
Stream depth
Stream width
Hazards
Litter/Pollutants
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
Caddis-fly Larvae (Trichoptera)
7
15
Mayfly nymph (Ephemeroptera)
7
5
Aquatic Caterpillars (Lepidoptera)
5
5
Damselfly Nymph (Odonata)
6
5
Water mites (Acarina)
5
50
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)
3
50
Freshwater Snails (Gastropoda)
3
20
Leeches (Hirudinea)
3
5
Side Swimmer/Scud (Amphipoda)
4
100
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
4
10
Non Biting Midge Larvae - Bloodworms (Diptera)
1
10
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 275
Total score: 46
Overall rating: Very Good
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Ammonium
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Ammonium
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
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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25-08-2012
24-09-2012
29-10-2012
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