Skip to content
 
WaterWatch Data Portal
Volunteer Login
  1. Find My Waterway
  2. Catchments
  3. Yarra River Catchment
  4. ME_YMR160
  5. Site visits
  6. 19-04-2026

Merri Creek, approx 200 metres downstream Lorne Street, Fawkner

Melbourne

DOWNLOAD DATA   

ME_YMR160 Yarra River Catchment

Sunday 19th April 2026 10:00am Approved
Notes

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 4
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 6 2
b. Phylum Nematoda (roundworms) b. Phylum Nematoda (roundworms) 3 1
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 23
Image
d. Family Simuliidae (black fly larvae) 5 1
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 8
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 6
Image
f. Family Lymnaeidae (lim nay ids - snail) 1 1
Image
f. Order Amphipoda (scuds, sideswimmers) 3 20
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 8
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 1
Image
h. Family Telephlebiidae (teleflebs - Dragonfly nymphs) 9 2
Image
l. Family Dytiscidae, various genera (stealth diving beetles) 1 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 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 23
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 11
ALT Signal Score 3.94
Weighted ALT Signal Score 3.77

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