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Catchments
Yarra River Catchment
ME_YVA100
Site visits
20-10-2019
Valley Creek, Mt Waverley, east of Regent Street, near the confluence of Scotchman's Creek
Melbourne
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ME_YVA100 Yarra River Catchment
Sunday 20th October 2019 9:30am
Approved
Notes
Physical Chemical Tests
Ammonium
0
mg/L NH4+
Dissolved Oxygen % Saturation
79.87
%
Dissolved Oxygen mg/L
8.7
mg/L
Electrical Conductivity
240
µS/cm
pH
7
pH Units
Reactive Phosphate (mg/L)
0.029
mg/L P
Temperature - AIR
11.5
° C
Temperature - WATER
11.5
° C
Turbidity - FTU
19
FTU
Water Conditions
Weather
Cloudy
Last rainfall
During the last week
11.00
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
< 2m
Hazards
Litter/Pollutants
bottles,plastic
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
Freshwater slater (Isopoda)
5
3
Yabbies/Marron/Gilgie Freshwater (Decapoda)
5
1
Flatworms (Turbellaria)
2
30
Freshwater Snails (Gastropoda)
3
50
Leeches (Hirudinea)
3
2
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
4
2
Non Biting Midge Larvae - Bloodworms (Diptera)
1
30
Segmented Worm (Oligochaeta)
1
50
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 168
Total score: 24
Overall rating: Poor
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 - FTU
Turbidity - NTU
Test 2
Ammonium
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - FTU
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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22-09-2019
20-10-2019
24-11-2019
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