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Catchments
Thomson River Catchment
WG_LAV200
Site visits
18-02-2000
Lavers Ck @ Thomson R. Desailly Flats
West Gippsland
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WG_LAV200 Thomson River Catchment
Friday 18th February 2000 15:00pm
Approved
Notes
Physical Chemical Tests
Electrical Conductivity
110
µS/cm
pH
7
pH Units
Reactive Phosphate (mg/L)
0.03
mg/L P
Temperature - WATER
22
° C
Total Phosphorus
0.12
mg/L P
Turbidity - NTU
10
NTU
Water Conditions
Weather
Last rainfall
Flow estimate
Water Appearance
Stream depth
Stream width
Hazards
Litter/Pollutants
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
c. Family Atyidae (glass shrimp)
0
5
Chironomids
1
15
Freshwater shrimp
5
10
n. Family Dytiscidae, Genus Eretes (Beetle adult)
0
9
o. Family Dytiscidae, Genus Rhantus (Beetle adult)
0
3
Water-boatmen
4
10
Damselfly Nymph (Odonata)
6
5
Water mites (Acarina)
5
5
Flatworms (Turbellaria)
3
1
Roundworms (Nematoda)
3
5
Side Swimmer/Scud (Amphipoda)
4
10
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 78
Total score: 20
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Gauge Board Height
Temperature - WATER
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Total Phosphorus
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Gauge Board Height
Temperature - WATER
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Total Phosphorus
Dissolved Oxygen % Saturation
Turbidity - NTU
Mininum standard
Any level
Level 1
Level 2
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Level 4
Start date
First data:
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