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WaterWatch Data Portal

ME_YMR178 Yarra River Catchment

Wednesday 17th April 2013 13:30pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
126.7%
Dissolved Oxygen mg/L
12.58mg/L
Electrical Conductivity
1358µS/cm
pH
8.86pH Units
Reactive Phosphate (mg/L)
0.08mg/L P
Temperature - AIR
20.4° C
Temperature - WATER
16.7° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 1
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 30
Image
d. Family Simuliidae (black fly larvae) 5 3
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 20
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 30
Image
e. Phylum Turbellaria ( flatworms) 1 8
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 1
Image
f. Order Amphipoda (scuds, sideswimmers) 3 50
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 100
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 10
i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) 5 4
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 20
ALT Signal Score 3.15
Weighted ALT Signal Score 2.95

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: