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  4. CO_WIL010
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  6. 27-04-2022

Williamsons Creek

Corangamite

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CO_WIL010 Barwon River Catchment

Wednesday 27th April 2022 11:00am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
71.05%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
1279µS/cm
pH
7.5pH Units
Reactive Phosphate (mg/L)
0.06mg/L P
Temperature - AIR
18.7° C
Temperature - WATER
15.9° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Cloudy
Last rainfall
More than a week ago 30.00
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
Other:5m
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
other: duck weed

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 15
Image
Mayfly nymph (Ephemeroptera) 7 5
Image
Damselfly Nymph (Odonata) 6 30
Image
Water mites (Acarina) 5 50
Image
Beetle larvae (Coleoptera) 4 10
Flatworms (Turbellaria) Flatworms (Turbellaria) 2 30
Image
Leeches (Hirudinea) 3 5
Image
Side Swimmer/Scud (Amphipoda) 4 100
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 5
Image
Mosquito Larvae (Diptera) 2 20
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 10
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 280 Total score: 45 Overall rating: Very Good

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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