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  6. 20-11-2017

Dandenong Creek, Liverpool Road Retarding Basin, Boronia

Melbourne

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ME_DDN015 Dandenong Catchment

Monday 20th November 2017 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0.4mg/L NH4+
Dissolved Oxygen % Saturation
63.98%
Dissolved Oxygen mg/L
5.7mg/L
Electrical Conductivity
210µS/cm
pH
6.8pH Units
Reactive Phosphate (mg/L)
0mg/L P
Temperature - AIR
30° C
Temperature - WATER
21° C
Turbidity - NTU
36NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Scummy,Foamy/frothy,Stained brown,Muddy
Stream depth
0 - 50cm
Stream width
< 2m
Hazards
 
Litter/Pollutants
polystyrene

Habitat

There is some froth and scum on the surface. The water is lower than usual but there was a strm event on the weekend. Ammonium and Nitrate values much higher than normal

Bank Erosion Stability Bank Vegetation In Stream Cover Riffles Pools Bends Verge Vegetation Overall
Fair 3 Poor 4 Fair 6 Fair 3 Poor 4 20

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 40
Image
Mayfly nymph (Ephemeroptera) 7 30
Image
Damselfly Nymph (Odonata) 6 10
Image
Freshwater Shrimp/Prawn (Atyidae) 5 30
Image
Water mites (Acarina) 5 30
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Image
Freshwater Snails (Gastropoda) 3 50
Image
Roundworms (Nematoda) 3 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 10
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 6
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 209 Total score: 46 Overall rating: Very Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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