Skip to content
 
WaterWatch Data Portal
Volunteer Login
  1. Find My Waterway
  2. Catchments
  3. Yarra River Catchment
  4. ME_YMR112
  5. Site visits
  6. 05-04-2026

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

Melbourne

DOWNLOAD DATA   

ME_YMR112 Yarra River Catchment

Sunday 5th April 2026 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
74.54%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
620µS/cm
pH
8.3pH Units
Reactive Phosphate (mg/L)
0.06mg/L P
Temperature - AIR
24.9° C
Temperature - WATER
18.3° C
Turbidity - NTU
11NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Stained brown
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 20
Image
a. Family Psephenidae, Genus Sclerocyphon (water pennies) 6 2
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 12
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 20
Image
d. Family Hymenosomatidae (five cent crab, false spider crab) 3 18
Image
d. Family Simuliidae (black fly larvae) 5 3
e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) 3 100
Image
f. Family Lymnaeidae (lim nay ids - snail) 1 5
Image
f. Order Araneae ( fishing and wolf spiders) 5 1
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 3 2
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 20
ALT Signal Score 4.18
Weighted ALT Signal Score 4.16

Diary photos

Physical Chemical Trends

Last data:
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
Creative Commons CC BY All content, files, data and images provided by the WaterWatch Data Portal subject to a Creative Commons Attribution License Data portal by CeRDI