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Catchments
Yarra River Catchment
ME_YVA100
Site visits
24-01-2021
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 24th January 2021 9:30am
Approved
Notes
Physical Chemical Tests
Ammonium
0
mg/L NH4+
Dissolved Oxygen % Saturation
25.64
%
Dissolved Oxygen mg/L
2.4
mg/L
Electrical Conductivity
400
µS/cm
pH
6.7
pH Units
Temperature - AIR
25
° C
Temperature - WATER
18.5
° C
Turbidity - FTU
19
FTU
Water Conditions
Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
POOLS: No continuous flow in channel and intermittent pools (in-stream habitats not connected)
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
< 2m
Hazards
Litter/Pollutants
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
Flatworms (Turbellaria)
2
50
Freshwater Snails (Gastropoda)
3
50
Leeches (Hirudinea)
3
20
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
4
2
Non Biting Midge Larvae - Bloodworms (Diptera)
1
20
Segmented Worm (Oligochaeta)
1
20
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 162
Total score: 14
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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22-03-2020
24-01-2021
21-02-2021
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