Site Visit #289170 28-12-2014 | ME_DTW100: Tirhatuan Wetlands, off Dandenong Creek, Rowville

WaterWatch Data Portal

ME_DTW100 Dandenong Catchment

Sunday 28th December 2014 9:15am Approved

Notes	Present: Ian, Julie, Dorothea Depth 0.44m Brown scum at eastern end of lake 1 goldfish in pool at inlet

Physical Chemical Tests

Ammonium

0mg/L NH4+

Dissolved Oxygen % Saturation

45%

Dissolved Oxygen mg/L

4mg/L

Electrical Conductivity

270µS/cm

pH

7.3pH Units

Reactive Phosphate (mg/L)

0.007mg/L P

Temperature - AIR

21.2° C

Temperature - WATER

21.5° C

Turbidity - FTU

37FTU

Water Conditions

Weather

Sunny

Last rainfall

During the last week

Flow estimate

PERMANENT: wetlands and lakes

Water Appearance

Scummy

Stream depth

Stream width

Hazards

Litter/Pollutants

Water Bugs WaterWatch method

Species	Score	Quantity
Caddis-fly Larvae (Trichoptera)	7	8
Mayfly nymph (Ephemeroptera)	7	2
Aquatic Caterpillars (Lepidoptera)	5	1
Damselfly Nymph (Odonata)	6	5
Dragonfly Nymph (Odonata)	6	1
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)	3	4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)	4	2
Non Biting Midge Larvae - Bloodworms (Diptera)	1	1

	Total bug score
Total abundance	0 - 35	35+
0 - 200	Poor	Good
200+	Fair	Very good

Total abundance: 24 Total score: 37 Overall rating: Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Test 1

Test 2

Mininum standard

Start date First data:

End date Last data:

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