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WaterWatch Data Portal

ME_YMO105 Yarra River Catchment

Tuesday 21st April 2009 12:30pm Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0mg/L NH3-N
Dissolved Oxygen mg/L
16.18mg/L
Electrical Conductivity
2111µS/cm
pH
9.86pH Units
Reactive Phosphate (mg/L)
0.01mg/L P
Temperature - AIR
26° C
Temperature - WATER
21° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 3
Image
Side Swimmer/Scud (Amphipoda) 4 4
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 6
Image
Biting Midge Larvae (Diptera) 2 150
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 25
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 188 Total score: 19 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data: