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  6. 09-04-2013

Williamsons Creek

Corangamite

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CO_WIL010 Barwon River Catchment

Tuesday 9th April 2013 11:00am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
60%
Dissolved Oxygen mg/L
6mg/L
Electrical Conductivity
530µS/cm
pH
8.5pH Units
Reactive Phosphate (mg/L)
0.11mg/L P
Temperature - AIR
17° C
Temperature - WATER
16.5° C
Turbidity - NTU
18NTU

Water Conditions

Weather
Overcast
Last rainfall
More than a week ago 2
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Stream depth
1m - 2m
Stream width
 
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Stonefly nymph (Plecoptera) 8 2
Image
Damselfly Nymph (Odonata) 6 5
Image
Water mites (Acarina) 5 50
Image
Roundworms (Nematoda) 3 10
Image
Side Swimmer/Scud (Amphipoda) 4 20
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 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: 127 Total score: 31 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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