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Catchments
Dandenong Catchment
ME_DDO08
Site visits
17-11-2003
Dobsons creek at historical marker on Sheffield Rd, The Basin
Melbourne
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ME_DDO08 Dandenong Catchment
Monday 17th November 2003 10:00am
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen mg/L
8.2
mg/L
Electrical Conductivity
190
µS/cm
Nitrate - Nitrogen
0.88
mg/L
Reactive Phosphate (mg/L)
0.003
mg/L P
Temperature - AIR
15.5
° C
Temperature - WATER
13
° C
Turbidity - NTU
15
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
1
Chironomids
1
25
Water-striders
4
1
Caddis-fly Larvae (Trichoptera)
7
5
Mayfly nymph (Ephemeroptera)
7
3
Stonefly nymph (Plecoptera)
8
1
Damselfly Nymph (Odonata)
6
1
Freshwater Snails (Gastropoda)
3
4
Roundworms (Nematoda)
3
19
Side Swimmer/Scud (Amphipoda)
4
1
Segmented Worm (Oligochaeta)
1
3
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 64
Total score: 39
Overall rating: Good
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Ammonia-Nitrogen
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Test 2
Ammonia-Nitrogen
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Mininum standard
Any level
Level 1
Level 2
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Level 4
Start date
First data:
End date
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09-08-2002
17-11-2003
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