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WaterWatch Data Portal

ME_YVA100 Yarra River Catchment

Sunday 25th January 2026 11:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
49.71%
Dissolved Oxygen mg/L
4.7mg/L
Electrical Conductivity
406µS/cm
pH
6.9pH Units
Reactive Phosphate (mg/L)
0.042mg/L P
Temperature - AIR
20° C
Temperature - WATER
18° C
Turbidity - FTU
36FTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week 1.00
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear,Other
Stream depth
0 - 50cm
Stream width
< 2m
Hazards
 
Litter/Pollutants
plastic

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 30
Image
Dragonfly Nymph (Odonata) 6 1
Image
Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 2 5
Image
Freshwater Snails (Gastropoda) 3 30
Image
Leeches (Hirudinea) 3 11
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 2
Image
Mosquito Larvae (Diptera) 2 20
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 5
Image
Segmented Worm (Oligochaeta) 1 5
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 110 Total score: 31 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data: