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WaterWatch Data Portal

ME_YVA100 Yarra River Catchment

Sunday 22nd May 2016 10:00am Approved
Notes

Physical Chemical Tests

Ammonium
0.02mg/L NH4+
Dissolved Oxygen % Saturation
52%
Dissolved Oxygen mg/L
5.4mg/L
Electrical Conductivity
220µS/cm
pH
6.7pH Units
Reactive Phosphate (mg/L)
0.043mg/L P
Temperature - AIR
16° C
Temperature - WATER
13° C
Turbidity - FTU
23FTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week 2.5
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Muddy
Stream depth
0 - 50cm
Stream width
1.5
Hazards
 
Litter/Pollutants
bottles,plastic

Water Bugs WaterWatch method

Image Species Score Quantity
Aquatic Caterpillars (Lepidoptera) Aquatic Caterpillars (Lepidoptera) 5 1
Image
Damselfly Nymph (Odonata) 6 1
Image
Dragonfly Nymph (Odonata) 6 2
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 40
Image
Freshwater Snails (Gastropoda) 3 15
Image
Leeches (Hirudinea) 3 4
Image
Side Swimmer/Scud (Amphipoda) 4 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 6
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 1
Image
Segmented Worm (Oligochaeta) 1 10
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 81 Total score: 33 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: