Site Visit #287769 26-10-2014 | ME_DTW100: Tirhatuan Wetlands, off Dandenong Creek, Rowville

WaterWatch Data Portal

ME_DTW100 Dandenong Catchment

Sunday 26th October 2014 10:00am Approved

Notes	Present Julie, Ian, Dorothea Depth 0.43m, not overflowing but has recently

Physical Chemical Tests

Ammonium

0mg/L NH4+

Dissolved Oxygen % Saturation

20%

Dissolved Oxygen mg/L

1.9mg/L

Electrical Conductivity

330µS/cm

pH

7.1pH Units

Reactive Phosphate (mg/L)

0mg/L P

Temperature - AIR

18.7° C

Temperature - WATER

18.7° C

Turbidity - FTU

46FTU

Water Conditions

Weather

Overcast

Last rainfall

During the last week

Flow estimate

PERMANENT: wetlands and lakes

Water Appearance

Muddy

Stream depth

Stream width

Hazards

Litter/Pollutants

Water Bugs WaterWatch method

Species	Score	Quantity
Damselfly Nymph (Odonata)	6	1
Dragonfly Nymph (Odonata)	6	3
Water mites (Acarina)	5	20
Side Swimmer/Scud (Amphipoda)	4	2
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)	4	10
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera)	2	4
Mosquito Larvae (Diptera)	2	6
Non Biting Midge Larvae - Bloodworms (Diptera)	1	10

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

Total abundance: 56 Total score: 30 Overall rating: Poor

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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We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.

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