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Catchments
Dandenong Catchment
ME_DTW100
Site visits
24-07-2022
Tirhatuan Wetlands, off Dandenong Creek, Rowville
Melbourne
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ME_DTW100 Dandenong Catchment
Sunday 24th July 2022 10:00am
Approved
Notes
Physical Chemical Tests
Ammonium
0
mg/L NH4+
Dissolved Oxygen % Saturation
69.66
%
Dissolved Oxygen mg/L
7.4
mg/L
Electrical Conductivity
260
µS/cm
pH
6.9
pH Units
Reactive Phosphate (mg/L)
0.027
mg/L P
Temperature - AIR
17.2
° C
Temperature - WATER
12.6
° C
Turbidity - FTU
5
FTU
Water Conditions
Weather
Last rainfall
Flow estimate
Water Appearance
Stream depth
Stream width
Hazards
Litter/Pollutants
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
Caddis-fly Larvae (Trichoptera)
7
5
Damselfly Nymph (Odonata)
6
2
Water mites (Acarina)
5
5
Flatworms (Turbellaria)
2
2
Freshwater Snails (Gastropoda)
3
1
Side Swimmer/Scud (Amphipoda)
4
1
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
4
4
Non Biting Midge Larvae - Bloodworms (Diptera)
1
2
Segmented Worm (Oligochaeta)
1
10
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 32
Total score: 33
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Ammonium
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - FTU
Test 2
Ammonium
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - FTU
Mininum standard
Any level
Level 1
Level 2
Level 3
Level 4
Start date
First data:
End date
Last data:
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26-06-2022
24-07-2022
28-08-2022
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