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WaterWatch Data Portal

ME_YPL668 Yarra River Catchment

Saturday 2nd May 2026 10:00am Approved
Notes

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Muddy
Stream depth
51cm - 99cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydrometridae (water measurers) 3 1
Image
a. Family Hydropsychidae (net spinning caddis) 6 20
a. Family Parastacidae (freshwater crayfish or yabbies) a. Family Parastacidae (freshwater crayfish or yabbies) 1 1
Image
b. Family Gerridae (water striders) 4 2
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 40
Image
c. Family Isostictidae (Damselfly nymph) 3 1
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 2
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
Image
d. Family Simuliidae (black fly larvae) 5 30
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 1
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 20
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 20
Image
e. Phylum Turbellaria ( flatworms) 1 1
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 1
Image
f. Family Lymnaeidae (lim nay ids - snail) 1 1
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 5
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 12
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 20
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 15
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 3 5
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 6
ALT Signal Score 3.05
Weighted ALT Signal Score 3.57

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: