Site visit details

Overview

Catchment Yarra River
Site Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy ME_YMR112
Date and Time Sunday 3rd January 2016 14:00pm
Approved Approved

Notes

Physical Chemical Tests

Ammon-Nit mg/L NH3-N N mg/L NH4+ D.O. % D.O mg/L EC µS/cm FrP mg/L P Nitrate-Nit mg/L N pH pH Units rP mg/L P Air ° C Water ° C Turb NTU
Sample 0 111.18 9 800 8.6 0.2 30 26 9
Weather sunny
Last rainfall More than a week ago
Flow estimate
Water Appearance Clear,Stained green
Stream depth 0 - 50cm
Stream width
Hazards
Litter/Pollutants

A cyclist reported a pollution event of engine degreaser into the creek about one week ago that has been reported to the EPA.

Creatures Agreed Level Taxonomy Method

Image Species Score Quantity
a. Family Hydropsychidae (net spinning caddis) a. Family Hydropsychidae (net spinning caddis) 6 30
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 6 1
c. Family Atyidae (glass shrimp) 3 1
c. Family Isostictidae (Damselfly nymph) c. Family Isostictidae (Damselfly nymph) 3 3
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 2
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 2
c. Phylum Annelida, class Hirudinea, (leeches) c. Phylum Annelida, class Hirudinea, (leeches) 1 2
d. Family Simuliidae (black fly larvae) d. Family Simuliidae (black fly larvae) 5 1
d. Phylum Annelida, class Oligochaeta, (worms) 2 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 51
g. Family Chironomidae (chironomids - True Fly larvae) 4 10
g. Family Physidae, Species Physa acuta (snail) 2 8
i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 1
j. Family Dytiscidae, (nosey tigers) 3 2
j. Family Dytiscidae, various genera (little diving beetles) j. Family Dytiscidae, various genera (little diving beetles) 1 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 4
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 51
ALT Signal Score 3.18
Weighted ALT Signal Score 3.54

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