Site Visit #307020 22-11-2015 | ME_DTW100: Tirhatuan Wetlands, off Dandenong Creek, Rowville

WaterWatch Data Portal

ME_DTW100 Dandenong Catchment

Sunday 22nd November 2015 10:00am Approved

Notes	Present: Ian, Julie, Dorothea Depth unclear due to reed growth, possibly 0.4m

Physical Chemical Tests

Ammonium

0mg/L NH4+

Dissolved Oxygen % Saturation

47%

Dissolved Oxygen mg/L

4.3mg/L

Electrical Conductivity

320µS/cm

pH

7.1pH Units

Reactive Phosphate (mg/L)

0mg/L P

Temperature - AIR

19° C

Temperature - WATER

19.8° C

Turbidity - FTU

36FTU

Water Conditions

Weather

Sunny

Last rainfall

During the last week

Flow estimate

PERMANENT: wetlands and lakes

Water Appearance

Clear

Stream depth

Stream width

Hazards

Litter/Pollutants

Water Bugs WaterWatch method

Species	Score	Quantity
Caddis-fly Larvae (Trichoptera)	7	1
Damselfly Nymph (Odonata)	6	2
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera)	3	2
Flatworms (Turbellaria)	3	4
Freshwater Snails (Gastropoda)	3	3
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)	4	2
Non Biting Midge Larvae - Bloodworms (Diptera)	1	8
Segmented Worm (Oligochaeta)	1	1

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

Total abundance: 23 Total score: 27 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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