Waterwatch Data Portal

Notes

Physical Chemical Tests

Rainfall: 12.5mm 11-12 February What has changed since last time you monitored? Less turbid. more scum than usual below dam wall. What stands out about the site today? Only one mosquito fish (it was dead) Large branch overhanging dam wall. Branches blocking tunnel under Nerreman Gateway. Yellow/brown colour of scum. Other observations: Upper drain not flowing but had been. Dragonflies and Damselflies in flight (More damselflies), Black Ducks, Sulfur crested cockatoos, rainbow lorikeets, mudlarks, Spotted Turtle dove, only dove at midday, others at 5pm

Creatures Waterwatch method

Image	Species	Score	Quantity
	c. Family Atyidae (glass shrimp)	0	N/A
	d. Family Hydrophilidae, Genus Helochares (Beetle adult)	2	N/A
	Freshwater shrimp	5	N/A
	Caddis-fly Larvae (Trichoptera)	7	N/A
	Mayfly nymph (Ephemeroptera)	7	N/A
	Stonefly nymph (Plecoptera)	8	N/A
	Aquatic Caterpillars (Lepidoptera)	3	N/A
	Damselfly Nymph (Odonata)	6	N/A
	Dragonfly Nymph (Odonata)	6	N/A
	Freshwater Mussel (Bivalvia)	0	N/A
	Freshwater slater (Isopoda)	5	N/A
	Toebiters Dobsonflies (Megaloptera)	6	N/A
	Water mites (Acarina)	5	N/A
	Yabbies/Marron/Gilgie Freshwater (Decapoda)	5	N/A
	Beetle larvae (Coleoptera)	4	N/A
	Flatworms (Turbellaria)	3	N/A
	Freshwater Snails (Gastropoda)	3	N/A
	Hydra (Hydrozoa)	4	N/A
	Leeches (Hirudinea)	3	N/A
	Roundworms (Nematoda)	3	N/A
	Side Swimmer/Scud (Amphipoda)	4	N/A
	True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)	4	N/A
	Biting Midge Larvae (Diptera)	2	N/A
	Mosquito Larvae (Diptera)	2	N/A
	Non Biting Midge Larvae - Bloodworms (Diptera)	0	N/A
	Segmented Worm (Oligochaeta)	1	N/A

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

Total abundance: 0 Total score: 0 Overall rating: Poor

Diary photos