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WaterWatch Data Portal

ME_YSC010 Yarra River Catchment

Sunday 22nd February 2026 9:30am Approved
Notes

Physical Chemical Tests

Ammonium
0.04mg/L NH4+
Dissolved Oxygen % Saturation
43.19%
Dissolved Oxygen mg/L
4mg/L
Electrical Conductivity
555µS/cm
pH
7.1pH Units
Reactive Phosphate (mg/L)
0.039mg/L P
Temperature - AIR
20° C
Temperature - WATER
19° C
Turbidity - FTU
13FTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week 6.00
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
plastic,other: An old cupboard door.

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 1
Image
Damselfly Nymph (Odonata) 6 2
Image
Dragonfly Nymph (Odonata) 6 2
Flatworms (Turbellaria) Flatworms (Turbellaria) 2 10
Image
Freshwater Snails (Gastropoda) 3 50
Image
Leeches (Hirudinea) 3 20
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 2
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 100
Image
Segmented Worm (Oligochaeta) 1 10
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 197 Total score: 33 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: