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NOTICE: SIGNALT Calculations are currently running through final testing and may be inaccurate until completed.

Holmwood Dam, near Holmwood Public School site_162

Source	Waterwatch New South Wales (Pre 2013)
Latest Sample Date	30-10-2003
Taxa count ORDER	11
Taxa count FAMILY	15
Taxa count ALT	15
Mayflies present?	1
	ORDER	FAMILY	ALT
SIGNAL	3.6	3.5	0.7
Weighted SIGNAL	3.3		2.2

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.9 Irrigated grapes, 4.5.3 Irrigated seasonal vegetables and herbs	43.44%	54,632,538,278m²
	Minimal Use	1.3.0 Other minimal use, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation	23.09%	29,042,653,249m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures	22.45%	28,241,649,022m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection, 1.2.1 Biodiversity	6.83%	8,588,295,318m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads	2.24%	2,817,514,867m²
	Water	6.2.0 Reservoir/dam, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.5.0 Marsh/wetland	1.66%	2,092,011,039m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.2 Feedlots, 5.2.3 Poultry farms, 5.2.4 Piggeries, 5.2.6 Horse studs	0.20%	257,501,359m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.03%	40,250,212m²
	Unknown	3.6.0 Land in transition, 3.6.5 Abandoned perennial horticulture, 4.6.5 Abandoned irrigated perennial horticulture	0.02%	25,500,135m²
	Industrial	5.3.5 Abattoirs	0.02%	19,500,103m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.1 Effluent pond, 5.9.2 Landfill	0.01%	17,250,091m²
	Forestry Plantation	3.1.4 Environmental forest plantation	0.00%	250,001m²
Show minor land uses 8
				1,257,749,137m²

Waterbug sample history

Sampled on 30 October 2003

Taxa	Abundance	SIGNALT Grade
Nematoda II	10	3
Nematoda (Unident.) II999999	10
Hirudinea LH	3	1
Hirudinea (Unident.) LH999999	3
Oligochaeta LO	5	2
Oligochaeta (Unident.) LO999999	5
Unknown M9	3
Unknown M999999	3
Isopoda OR	5	2
ISOPODA OR000000	5
Coleoptera QC	205	5
Dytiscidae (Unident.) QC099999	5
Coleoptera (Unident.) QCZZ9999	200

Diptera QD	60	3
Culicidae (Unident.) QD079999	10

Chironomidae QDA00000	50
Ephemeroptera QE	1	9
Ephemeroptera (Unident.) QE999999	1
Hemiptera QH	780	2
Gerridae (Unident.) QH579999	5
Corixidae (Unident.) QH659999	500
Notonectidae (Unident.) QH679999	275
Odonata QO	20	3
Epiproctophora (Unident.) QO999998	20
Plecoptera QP	1	10
Plecoptera (Unident.) QP999999	1

SIGNALT	3.6
	ORDER
Weighted SIGNALT	3.1

Sampled on 27 March 2003

Taxa	Abundance	SIGNALT Grade
Hirudinea LH	4	1
Hirudinea (Unident.) LH999999	4
Coleoptera QC	25	5
Coleoptera (Unident.) QCZZ9999	25

Hemiptera QH	161	2
Mesoveliidae (Unident.) QH529999	8
Gerridae (Unident.) QH579999	5
Corixidae (Unident.) QH659999	72
Notonectidae (Unident.) QH679999	76
Odonata QO	24	3
Zygoptera (Unident.) QO999997	24

SIGNALT	2.8
	ORDER
Weighted SIGNALT	3.1