Skip to content
 
WaterWatch Data Portal

ME_YDA290 Yarra River Catchment

Thursday 30th October 2025 10:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
72.64%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
940µS/cm
pH
8.3pH Units
Reactive Phosphate (mg/L)
0.07mg/L P
Temperature - AIR
23° C
Temperature - WATER
17° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 30.00
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 50
Image
Stonefly nymph (Plecoptera) 8 4
Image
Damselfly Nymph (Odonata) 6 3
Image
Freshwater Shrimp/Prawn (Atyidae) 5 1
Image
Freshwater slater (Isopoda) 5 2
Image
Freshwater Snails (Gastropoda) 3 100
Image
Leeches (Hirudinea) 3 5
Image
Side Swimmer/Scud (Amphipoda) 4 30
Image
Mosquito Larvae (Diptera) 2 2
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 5
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 202 Total score: 44 Overall rating: Very Good

Diary photos

Physical Chemical Trends

Last data: