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Catchments
Barwon River Catchment
CO_WIL010
Site visits
18-01-2022
Williamsons Creek
Corangamite
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CO_WIL010 Barwon River Catchment
Tuesday 18th January 2022 16:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
111.01
%
Dissolved Oxygen mg/L
10
mg/L
Electrical Conductivity
2400
µS/cm
pH
7.5
pH Units
Reactive Phosphate (mg/L)
0.11
mg/L P
Temperature - AIR
16
° C
Temperature - WATER
20.1
° C
Turbidity - NTU
9
NTU
Water Conditions
Weather
Cloudy
Last rainfall
During the last week
16.00
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear
Stream depth
2m
Stream width
2m - 5m
Hazards
Litter/Pollutants
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
Caddis-fly Larvae (Trichoptera)
7
5
Stonefly nymph (Plecoptera)
8
5
Freshwater Shrimp/Prawn (Atyidae)
5
5
Beetle larvae (Coleoptera)
4
1
Flatworms (Turbellaria)
2
2
Freshwater Snails (Gastropoda)
3
10
Leeches (Hirudinea)
3
5
Side Swimmer/Scud (Amphipoda)
4
100
Mosquito Larvae (Diptera)
2
5
Non Biting Midge Larvae - Bloodworms (Diptera)
1
5
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 143
Total score: 39
Overall rating: Good
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Total Phosphorus
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Total Phosphorus
Dissolved Oxygen % Saturation
Turbidity - NTU
Mininum standard
Any level
Level 1
Level 2
Level 3
Level 4
Start date
First data:
End date
Last data:
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03-10-2021
18-01-2022
27-04-2022
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