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WaterWatch Data Portal

ME_YMO175 Yarra River Catchment

Thursday 20th November 2008 13:30pm Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0.02mg/L NH3-N
Dissolved Oxygen % Saturation
66.7%
Electrical Conductivity
1471µS/cm
pH
7.91pH Units
Reactive Phosphate (mg/L)
0.088mg/L P
Temperature - AIR
17° C
Temperature - WATER
16.8° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week
Flow estimate
 
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
Dragonfly Nymph (Odonata) 6 6
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 17
Image
Freshwater Snails (Gastropoda) 3 100
Image
Side Swimmer/Scud (Amphipoda) 4 100
Image
Biting Midge Larvae (Diptera) 2 29
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 264 Total score: 25 Overall rating: Fair

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: