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  6. 07-02-2023

Williamsons Creek

Corangamite

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CO_WIL010 Barwon River Catchment

Tuesday 7th February 2023 10:00am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
75.66%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
891µS/cm
pH
7.1pH Units
Reactive Phosphate (mg/L)
0.07mg/L P
Temperature - AIR
13° C
Temperature - WATER
19° C
Turbidity - NTU
47NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week 25.00
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Muddy
Stream depth
2m
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 30
Image
Damselfly Nymph (Odonata) 6 5
Image
Freshwater Shrimp/Prawn (Atyidae) 5 2
Image
Water mites (Acarina) 5 50
Image
Beetle larvae (Coleoptera) 4 10
Flatworms (Turbellaria) Flatworms (Turbellaria) 2 10
Image
Side Swimmer/Scud (Amphipoda) 4 200
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 100
Image
Mosquito Larvae (Diptera) 2 20
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 20
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 447 Total score: 40 Overall rating: Very Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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