Waterwatch Data Portal
ME_YVA100 Valley Creek, Mt Waverley, east of Regent Street, near the confluence of Scotchman's Creek
21 January 2018
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 |
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) | 7 | 1 |
|
Damselfly Nymph (Odonata) | 6 | 8 |
|
Dragonfly Nymph (Odonata) | 6 | 2 |
|
Yabbies/Marron/Gilgie Freshwater (Decapoda) | 5 | 8 |
| Flatworms (Turbellaria) | 3 | 10 | |
|
Freshwater Snails (Gastropoda) | 3 | 25 |
|
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 2 |
|
Mosquito Larvae (Diptera) | 2 | 2 |
|
Non Biting Midge Larvae - Bloodworms (Diptera) | 1 | 50 |
|
Segmented Worm (Oligochaeta) | 1 | 10 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
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