Waterwatch Data Portal
ME_YGR023 Blackburn Lake at Heron Point opposite Naughton Gve Blackburn
7 January 2018
Site visit details
Overview
| Catchment | Yarra River |
|---|---|
| Site | Blackburn Lake at Heron Point opposite Naughton Gve Blackburn ME_YGR023 |
| Date and Time | Sunday 7th January 2018 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 | 93.83 | 7.5 | 190 | 7.2 | 0.047 | 24.5 | 26.8 | 37 |
| Weather | cloudy |
|---|---|
| Last rainfall | More than a week ago |
| Flow estimate | MEDIUM: flow is normal/typical average flow |
| Water Appearance | Muddy |
| Stream depth | 1m - 2m |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
2 black ducks.
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Caddis-fly Larvae (Trichoptera) | 7 | 4 |
|
Damselfly Nymph (Odonata) | 6 | 2 |
|
Freshwater Shrimp/Prawn (Atyidae) | 5 | 45 |
|
Water mites (Acarina) | 5 | 10 |
|
Yabbies/Marron/Gilgie Freshwater (Decapoda) | 5 | 5 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
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