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  6. 07-03-2012

Williamsons Creek

Corangamite

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CO_WIL010 Barwon River Catchment

Wednesday 7th March 2012 18:04pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
72%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
1220µS/cm
pH
8.2pH Units
Reactive Phosphate (mg/L)
0.08mg/L P
Temperature - AIR
15.6° C
Temperature - WATER
16.4° C
Turbidity - NTU
13NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 10
Flow estimate
Moderate
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Freshwater shrimp 5 10
Image
Caddis-fly Larvae (Trichoptera) 7 20
Image
Stonefly nymph (Plecoptera) 8 10
Image
Water mites (Acarina) 5 20
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 10
Image
Freshwater Snails (Gastropoda) 3 10
Image
Side Swimmer/Scud (Amphipoda) 4 20
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 30
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 130 Total score: 33 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
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