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WaterWatch Data Portal

ME_YYR808 Yarra River Catchment

Thursday 18th July 2013 9:30am Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
1.14mg/L NH3-N
Dissolved Oxygen mg/L
0.03mg/L
Electrical Conductivity
540µS/cm
pH
6.4pH Units
Reactive Phosphate (mg/L)
0.23mg/L P
Temperature - AIR
18° C
Temperature - WATER
11° C
Turbidity - FTU
19FTU
Turbidity - NTU
8NTU

Water Conditions

Weather
Overcast
Last rainfall
More than a week ago
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Scummy,Other: Large amount of disintegrating plant matter and silt deposit
Stream depth
0 - 50cm
Stream width
>5m
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Water mites (Acarina) 5 5
Image
Beetle larvae (Coleoptera) 4 1
Image
Leeches (Hirudinea) 3 10
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 2
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 3
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 21 Total score: 17 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: