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  6. 29-04-2023

Blackburn Lake at Heron Point opposite Naughton Gve Blackburn

Melbourne

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ME_YGR023 Yarra River Catchment

Saturday 29th April 2023 11:48am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
72.43%
Dissolved Oxygen mg/L
7.3mg/L
Electrical Conductivity
152µS/cm
pH
6.7pH Units
Reactive Phosphate (mg/L)
0.04mg/L P
Temperature - AIR
12° C
Temperature - WATER
15° C
Turbidity - NTU
52NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last 24 hours 6.00
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Muddy
Stream depth
1m - 2m
Stream width
Other:50m
Hazards
 
Litter/Pollutants
packets

Habitat

Main body of lake, structured access point, lots of large rocks at water's edge

Bank Erosion Stability Bank Vegetation In Stream Cover Riffles Pools Bends Verge Vegetation Overall
Fair 3 Fair 6 Fair 6 Poor 2 Fair 6 23

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 8
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 80
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 3 3
ALT Signal Score 3.00
Weighted ALT Signal Score 3.00

Diary photos

Physical Chemical Trends

Last data:
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