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Catchments
Yarra River Catchment
ME_YSC020
Site visits
19-10-2025
Scotchman's Creek. Bottom of Valley Reserve immediately East of Regent Street, Mt Waverley
Melbourne
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ME_YSC020 Yarra River Catchment
Sunday 19th October 2025 9:15am
Approved
Notes
Physical Chemical Tests
Ammonium
0.3
mg/L NH4+
Dissolved Oxygen % Saturation
62.9
%
Dissolved Oxygen mg/L
6.2
mg/L
Electrical Conductivity
460
µS/cm
pH
6.8
pH Units
Reactive Phosphate (mg/L)
0.068
mg/L P
Temperature - AIR
18.5
° C
Temperature - WATER
16
° C
Turbidity - FTU
16
FTU
Water Conditions
Weather
Overcast
Last rainfall
During the last week
10.00
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
< 2m
Hazards
Litter/Pollutants
cans,other: 4 golden carp
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
Caddis-fly Larvae (Trichoptera)
7
1
Damselfly Nymph (Odonata)
6
2
Flatworms (Turbellaria)
2
2
Freshwater Snails (Gastropoda)
3
12
Leeches (Hirudinea)
3
3
Biting Midge Larvae (Diptera)
2
2
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera)
2
10
Segmented Worm (Oligochaeta)
1
11
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 43
Total score: 26
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Ammonia-Nitrogen
Ammonium
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - FTU
Turbidity - NTU
Test 2
Ammonia-Nitrogen
Ammonium
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
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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