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WaterWatch Data Portal

ME_YYR808 Yarra River Catchment

Thursday 18th September 2014 10:20am Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0.21mg/L NH3-N
Dissolved Oxygen mg/L
2.2mg/L
Electrical Conductivity
630µS/cm
pH
7pH Units
Reactive Phosphate (mg/L)
0.11mg/L P
Temperature - AIR
13° C
Temperature - WATER
11.5° C
Turbidity - FTU
19FTU
Turbidity - NTU
9NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last 24 hours 3
Flow estimate
 
Water Appearance
Milky
Stream depth
51cm - 99cm
Stream width
50
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Water mites (Acarina) 5 5
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Image
Beetle larvae (Coleoptera) 4 5
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 8
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 18
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
Mosquito Larvae (Diptera) 2 5
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 28
Image
Segmented Worm (Oligochaeta) 1 15
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 111 Total score: 30 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: