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WaterWatch Data Portal

ME_YYR808 Yarra River Catchment

Thursday 19th September 2013 10:20am Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0.59mg/L NH3-N
Dissolved Oxygen mg/L
1.8mg/L
Electrical Conductivity
490µS/cm
pH
7.1pH Units
Reactive Phosphate (mg/L)
0.14mg/L P
Temperature - AIR
15° C
Temperature - WATER
13° C
Turbidity - FTU
19FTU
Turbidity - NTU
9NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last 24 hours 10
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Scummy
Stream depth
51cm - 99cm
Stream width
>5m
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 6
Image
Dragonfly Nymph (Odonata) 6 1
Image
Water mites (Acarina) 5 21
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Image
Beetle larvae (Coleoptera) 4 21
Image
Leeches (Hirudinea) 3 15
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 12
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 17
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 94 Total score: 33 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: