Site visit details

Overview

Catchment Yarra River
Site Valley Creek, Mt Waverley, east of Regent Street, near the confluence of Scotchman's Creek ME_YVA100
Date and Time Sunday 21st January 2018 09:45am
Approved Approved

Notes

Physical Chemical Tests

N mg/L NH4+ D.O. % D.O mg/L EC µS/cm pH pH Units rP mg/L P Air ° C Water ° C Turb FTU Turb NTU
Sample 0.9 23.63 2.1 1000 6.7 0.085 26 21 35
Weather sunny
Last rainfall During the last week 1.00
Flow estimate POOLS: No continuous flow in channel and intermittent pools (in-stream habitats not connected)
Water Appearance Stained brown
Stream depth 0 - 50cm
Stream width < 2m
Hazards
Litter/Pollutants paper

Ammonium level measured with sample diluted to 20%.

Very little litter visible.

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 1
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 8
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 2
Yabbies/Marron/Gilgie Freshwater (Decapoda) Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 8
Flatworms (Turbellaria) 3 10
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 25
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 2
Mosquito Larvae (Diptera) Mosquito Larvae (Diptera) 2 2
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 50
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 10
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 118 Total score: 37 Overall rating: Good

Diary photos

No diary entries recorded for this visit

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