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WaterWatch Data Portal

ME_YDA558 Yarra River Catchment

Friday 7th April 2017 10:15am Approved
Notes

Physical Chemical Tests

Ammonium
0.01mg/L NH4+
Dissolved Oxygen mg/L
10mg/L
Electrical Conductivity
300µS/cm
pH
8.9pH Units
Reactive Phosphate (mg/L)
0.05mg/L P
Temperature - AIR
21.5° C
Temperature - WATER
16.6° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 0.20
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
> 5m
Hazards
 
Litter/Pollutants
plastic,polystyrene

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 5
Image
Damselfly Nymph (Odonata) 6 8
Image
Dragonfly Nymph (Odonata) 6 10
Image
Freshwater Mussel (Bivalvia) 5 2
Image
Freshwater slater (Isopoda) 5 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 1
Image
Freshwater Snails (Gastropoda) 3 30
Image
Leeches (Hirudinea) 3 10
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 20
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 5
Image
Segmented Worm (Oligochaeta) 1 20
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 112 Total score: 44 Overall rating: Good

Diary photos

Physical Chemical Trends

Last data: