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WaterWatch Data Portal

ME_YVA100 Yarra River Catchment

Sunday 24th May 2015 10:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
75%
Dissolved Oxygen mg/L
8.5mg/L
Electrical Conductivity
370µS/cm
pH
6.8pH Units
Reactive Phosphate (mg/L)
0.04mg/L P
Temperature - AIR
8° C
Temperature - WATER
9° C
Turbidity - FTU
17FTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week 17
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
plastic

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 5
Image
Dragonfly Nymph (Odonata) 6 10
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 4
Image
Freshwater Snails (Gastropoda) 3 24
Image
Leeches (Hirudinea) 3 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 9
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 5
Image
Segmented Worm (Oligochaeta) 1 16
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 76 Total score: 26 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: