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WaterWatch Data Portal

ME_YMO175 Yarra River Catchment

Monday 27th April 2009 10:30am Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0mg/L NH3-N
Dissolved Oxygen mg/L
14.21mg/L
Electrical Conductivity
1816µS/cm
pH
8.2pH Units
Reactive Phosphate (mg/L)
0.055mg/L P
Temperature - AIR
14° C
Temperature - WATER
10.6° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last 24 hours
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
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 12
Image
Damselfly Nymph (Odonata) 6 16
Image
Freshwater Shrimp/Prawn (Atyidae) 5 4
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 7
Image
Freshwater Snails (Gastropoda) 3 28
Image
Leeches (Hirudinea) 3 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 76
Image
Biting Midge Larvae (Diptera) 2 13
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 159 Total score: 33 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data: