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WaterWatch Data Portal

CO_BRO023 Lake Colac Catchment

Wednesday 17th February 2010 15:30pm Approved
Notes

Physical Chemical Tests

Electrical Conductivity
1680µS/cm
pH
7.3pH Units
Reactive Phosphate (mg/L)
0.06mg/L P
Temperature - AIR
25.5° C
Temperature - WATER
20.5° C
Turbidity - NTU
11NTU

Water Conditions

Weather
Last rainfall
 
Flow estimate
 
Water Appearance
 
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
a. Family Parastacidae (freshwater crayfish or yabbies) a. Family Parastacidae (freshwater crayfish or yabbies) 5 4
Image
Caddis-fly Larvae (Trichoptera) 7 40
Image
Damselfly Nymph (Odonata) 6 1
Image
Water mites (Acarina) 5 2
Image
Freshwater Snails (Gastropoda) 3 11
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 1
Image
Segmented Worm (Oligochaeta) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 60 Total score: 26 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: