Site visit details

Overview

Catchment Dandenong
Site Tirhatuan Wetlands, off Dandenong Creek, Rowville ME_DTW100
Date and Time Sunday 27th June 2021 10:00am
Approved Approved

Notes

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 33.12 3.7 270 6.3 13.3 10.4 17
Weather overcast
Last rainfall During the last 24 hours
Flow estimate PERMANENT: wetlands and lakes
Water Appearance Clear
Stream depth
Stream width
Hazards
Litter/Pollutants

Present: Julie, Dorothea, Judith

Lake outlet flowing fast

pH 6.6 with PR, so repeated with CPR giving 6.3

Phosphate test not done as no chemicals.

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 6
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 1
Water mites (Acarina) Water mites (Acarina) 5 2
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 20
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 2
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 31 Total score: 20 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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