Waterwatch Data Portal
ME_DTW100 Tirhatuan Wetlands, off Dandenong Creek, Rowville
25 September 2022
Site visit details
Overview
| Catchment | Dandenong |
|---|---|
| Site | Tirhatuan Wetlands, off Dandenong Creek, Rowville ME_DTW100 |
| Date and Time | Sunday 25th September 2022 10:00am |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|
| Sample | 0 | 110.82 | 11 | 250 | 9.4 | 17.1 | 15.7 | 24 |
| Weather | sunny |
|---|---|
| Last rainfall | During the last week |
| Flow estimate | PERMANENT: wetlands and lakes |
| Water Appearance | Clear |
| Stream depth | |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
Present: Isabelle, Dorothea, Peta, Julie
pH was 8.2 with PR, retested with TB gave 9.4
DO took a long time to mix, gave 11mg/l, retest gave Overrange!
No chemicals for Phosphate
Wetland was overflowing quite fast
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Caddis-fly Larvae (Trichoptera) | 7 | 4 |
| Flatworms (Turbellaria) | 2 | 1 | |
|
Freshwater Snails (Gastropoda) | 3 | 1 |
|
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 3 |
|
Non Biting Midge Larvae - Bloodworms (Diptera) | 1 | 5 |
|
Segmented Worm (Oligochaeta) | 1 | 15 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
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