Waterwatch Data Portal
Site visit details
Overview
| Catchment | Dandenong |
|---|---|
| Site | Elster Creek ME_DEL300 |
| Date and Time | Sunday 15th November 2015 09:30am |
| Approved | Approved |
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 | 34 | 3.2 | 1319 | 7.6 | 0.25 | 15 | 16.4 | 150 |
| Weather | cloudy |
|---|---|
| Last rainfall | During the last week |
| Flow estimate | MEDIUM: flow is normal/typical average flow |
| Water Appearance | Muddy,Scummy,Oily,Foamy/frothy |
| Stream depth | 0 - 50cm |
| Stream width | 2m - 5m |
| Hazards | |
| Litter/Pollutants | cans,paper,plastic,waxed cardboard,other |
Huge difference between results for creek and lake on same day. Possible explanation is that creek is fed from water at bottom of lake and lake sample take near surface where algal mat exists. Slender knotweed has spread on banks and into water. Creek very high turbidity. High tide 6:37am 0.9m Low tide 12:41pm 0.4m Tide going out.
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Caddis-fly Larvae (Trichoptera) | 7 | 1 |
|
Water mites (Acarina) | 5 | 1000 |
| Flatworms (Turbellaria) | 3 | 1 | |
|
Freshwater Snails (Gastropoda) | 3 | 5 |
|
Leeches (Hirudinea) | 3 | 5 |
|
Non Biting Midge Larvae - Bloodworms (Diptera) | 1 | 100 |
|
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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