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  6. 02-11-2025

Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 2nd November 2025 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
125.72%
Dissolved Oxygen mg/L
10mg/L
Electrical Conductivity
640µS/cm
pH
8.2pH Units
Reactive Phosphate (mg/L)
0.06mg/L P
Temperature - AIR
33.9° C
Temperature - WATER
27° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
 
Water Appearance
Muddy
Stream depth
51cm - 99cm
Stream width
> 5m
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Psephenidae, Genus Sclerocyphon (water pennies) 6 6
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 7
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 1
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 2
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 8
e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) 3 100
Image
g. Family Hydrophilidae (water scavenger beetle adult) 2 3
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 3
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 1
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 3 1
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 100
ALT Signal Score 3.73
Weighted ALT Signal Score 3.93

Diary photos

Physical Chemical Trends

Last data:
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