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Catchments
Lake Colac Catchment
CO_LCO010
Site visits
15-01-2021
Lake Colac @ Yacht Club
Corangamite
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CO_LCO010 Lake Colac Catchment
Friday 15th January 2021 13:43pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
88.87
%
Dissolved Oxygen mg/L
7.9
mg/L
Electrical Conductivity
6980
µS/cm
pH
8.9
pH Units
Reactive Phosphate (mg/L)
0.7
mg/L P
Temperature - AIR
16
° C
Temperature - WATER
20
° C
Turbidity - NTU
300
NTU
Water Conditions
Weather
Cloudy
Last rainfall
Raining now
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Milky
Stream depth
Other:Unknown
Stream width
> 5m
Hazards
Litter/Pollutants
paper,plastic
Habitat
Reeds, Rushs, Fragmites, water riboons, grasses, grooel cover.
Bank Erosion Stability
Bank Vegetation
In Stream Cover
Riffles Pools Bends
Verge Vegetation
Overall
Good
4
Poor
4
VeryPoor
2
Fair
3
VeryPoor
2
15
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Dissolved Oxygen mg/L
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
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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03-03-2020
15-01-2021
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