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WaterWatch Data Portal

ME_YYR808 Yarra River Catchment

Friday 16th January 2015 10:00am Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0.34mg/L NH3-N
Dissolved Oxygen mg/L
0.8mg/L
Electrical Conductivity
390µS/cm
pH
6.8pH Units
Reactive Phosphate (mg/L)
0.22mg/L P
Temperature - AIR
20.5° C
Temperature - WATER
18.8° C
Turbidity - FTU
47FTU
Turbidity - NTU
35NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 20
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Stained brown,Other: Large amount of leaf litter; decaying plants
Stream depth
0 - 50cm
Stream width
>50
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Dragonfly Nymph (Odonata) 6 1
Image
Water mites (Acarina) 5 2
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Image
Beetle larvae (Coleoptera) 4 5
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 17
Image
Leeches (Hirudinea) 3 11
Image
Roundworms (Nematoda) 3 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 37
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 4
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 9
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 88 Total score: 33 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: