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WaterWatch Data Portal

ME_YMR112 Yarra River Catchment

Sunday 2nd March 2025 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
57.63%
Dissolved Oxygen mg/L
5mg/L
Electrical Conductivity
660µS/cm
pH
8pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
22° C
Temperature - WATER
22.3° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last 24 hours
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
51cm - 99cm
Stream width
> 5m
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 50
Image
a. Family Psephenidae, Genus Sclerocyphon (water pennies) 6 6
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 20
Image
c. Family Hydrobiosidae (hunter caddis) 8 3
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 6
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 1
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 2
Image
d. Family Hymenosomatidae (five cent crab, false spider crab) 3 6
Image
d. Family Simuliidae (black fly larvae) 5 10
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 6
e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) 3 100
e. Family Nepidae, Genus Ranatra (slender water scorpions/stick bug) e. Family Nepidae, Genus Ranatra (slender water scorpions/stick bug) 2 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 100
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 1
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 100
ALT Signal Score 4.20
Weighted ALT Signal Score 4.49

Diary photos

Physical Chemical Trends

Last data: