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Catchments
Ovens River Catchment
NE_MER090
Site visits
28-10-2005
Merriwa Park Lagoon, Wangaratta
North East
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NE_MER090 Ovens River Catchment
Friday 28th October 2005 10:00am
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen mg/L
6
mg/L
Electrical Conductivity
40
µS/cm
pH
7.2
pH Units
Reactive Phosphate (mg/L)
0.125
mg/L P
Temperature - WATER
18.4
° C
Turbidity - NTU
30
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
h. Order Anostraca (fairy shrimp and introduced sea monkeys)
4
1
Water-boatmen
4
40
Freshwater Snails (Gastropoda)
3
1
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 42
Total score: 3
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
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Test 1
Dissolved Oxygen mg/L
Temperature - WATER
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
Temperature - WATER
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Mininum standard
Any level
Level 1
Level 2
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Level 4
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First data:
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12-09-2005
28-10-2005
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