Skip to content
 
WaterWatch Data Portal

CO_BRO017 Lake Colac Catchment

Friday 13th May 2005 10:00am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
66%
Electrical Conductivity
1770µS/cm
pH
7.6pH Units
Temperature - AIR
15.2° C
Temperature - WATER
11.4° C

Water Conditions

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

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 1
Image
Mayfly nymph (Ephemeroptera) 7 1
Image
Stonefly nymph (Plecoptera) 8 1
Image
Damselfly Nymph (Odonata) 6 1
Image
Freshwater Shrimp/Prawn (Atyidae) 5 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 1
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 1
Image
Side Swimmer/Scud (Amphipoda) 4 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 10 Total score: 49 Overall rating: Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: