Waterwatch Data Portal
ME_DTW100 Tirhatuan Wetlands, off Dandenong Creek, Rowville
30 September 2018
Site visit details
Overview
| Catchment | Dandenong |
|---|---|
| Site | Tirhatuan Wetlands, off Dandenong Creek, Rowville ME_DTW100 |
| Date and Time | Sunday 30th September 2018 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 | 108.94 | 11 | 270 | 9.1 | 0.03 | 17.9 | 14.9 | 30 |
| Weather | cloudy |
|---|---|
| Last rainfall | During the last 24 hours |
| Flow estimate | PERMANENT: wetlands and lakes |
| Water Appearance | Clear |
| Stream depth | |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
Depth about 0.4m
The first pH test (PR) gave a bright pink result (see pictures). The second, with TB, gave 9.1 then a repeat TB gave 9.3. DO was also abnormally high. This is similar to two events we have had previously, on 2 Feb 2014 in the Dandenong Creek when the pH and DO were both out of range, and on 22 Oct 2014 in the Dandenong Wetlands when the pH was overrange and DO was high on one test and out of range on another.
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Damselfly Nymph (Odonata) | 6 | 3 |
|
Water mites (Acarina) | 5 | 2 |
|
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) | 3 | 9 |
|
Beetle larvae (Coleoptera) | 4 | 1 |
|
Mosquito Larvae (Diptera) | 2 | 10 |
|
Non Biting Midge Larvae - Bloodworms (Diptera) | 1 | 3 |
|
Segmented Worm (Oligochaeta) | 1 | 2 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
All content, files, data and images provided by the Waterwatch Data Portal and Gallery are subject to a Creative Commons Attribution License
Content is made available to be used in any way, and should always attribute Waterwatch and www.vic.waterwatch.org.au
.png)
