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  6. 05-05-2021

McNabbs Weir upstream of Overnewton

Melbourne

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ME_MMR150_RD Maribyrnong River Catchment

Wednesday 5th May 2021 13:30pm Approved
Notes

Physical Chemical Tests

Electrical Conductivity
969µS/cm
pH
7pH Units
Reactive Phosphate (ppb)
0.02ppb
Temperature - AIR
18° C
Temperature - WATER
15° C
Turbidity - NTU
16NTU

Water Conditions

Weather
Sunny
Last rainfall
  36.6
Flow estimate
HIGH: Less than bankfull and in-stream habitats connected
Water Appearance
Muddy,Stained green
Stream depth
 
Stream width
> 5m
Hazards
 
Litter/Pollutants
 

Habitat

Bank Erosion Stability Bank Vegetation In Stream Cover Riffles Pools Bends Verge Vegetation Overall
Fair 3 Fair 6 Good 8 Good 4 Poor 4 25

Water Bugs River Detectives method

Image Name Score
Image
Cased caddis larvae 8
Image
Mayfly nymphs 9
Image
Gordian worms 6
Image
Water mites 5
Image
Chironomids, blood worms 4
Image
Damselfly larvae 3
Image
Freshwater mussels and clams 3
Image
Glass shrimps 3
Image
Pogs 4
Image
Sideswimmers or scuds 3
Image
Water striders 4
Image
Whirligig beetles 4
Image
Water tigers 2
Image
Water treaders 1
Image
Waterboatmen 2
Image
Worms 2
> 6
clean water
5 to 6
mild pollution
4 to 5
moderate pollution
< 4
severe pollution
Total score: 3.9 Overall rating: Severe pollution

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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