Waterwatch Data Portal
ME_YGR023 Blackburn Lake at Heron Point opposite Naughton Gve Blackburn
6 October 2019
Site visit details
Overview
| Catchment | Yarra River |
|---|---|
| Site | Blackburn Lake at Heron Point opposite Naughton Gve Blackburn ME_YGR023 |
| Date and Time | Sunday 6th October 2019 11:00am |
| 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 FTU | Turb NTU | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sample | 0 | 82.11 | 8.1 | 170 | 7 | 0 | 18 | 16 | 13 |
| Weather | sunny |
|---|---|
| Last rainfall | During the last week |
| Flow estimate | STAGNANT: No continuous flow in channel but channel continuous (in-stream habitats connected) |
| Water Appearance | Muddy |
| Stream depth | 1m - 2m |
| Stream width | |
| Hazards | |
| Litter/Pollutants | plastic |
Monitors: Su D., Elaine B., John S., Stephanie, Alfoncina, Susan W., Wira Y., Amber, Teresa (Visitor)
Changes since last monitored: Poplars have new growth
What stands out today:
Other observations: 1 Pacific Black Duck, 1 Wood Duck, 1 Carp
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Caddis-fly Larvae (Trichoptera) | 7 | 3 |
|
Freshwater Shrimp/Prawn (Atyidae) | 5 | 9 |
|
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 20 |
|
Non Biting Midge Larvae - Bloodworms (Diptera) | 1 | 4 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
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