Explore

skip to content

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

Towamba River, upstream of Pericoe Rd Bridge, Towamba 515

Source	Waterwatch New South Wales
Latest Sample Date	10-05-2018
Taxa count ORDER	10
Taxa count FAMILY	11
Taxa count ALT	12
Mayflies present?	76
	ORDER	FAMILY	ALT
SIGNAL	3.6	3.7	0.8
Weighted SIGNAL	3.9	3	2.4

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park	47.50%	40,672,230,930m²
	Minimal Use	2.1.0 Grazing native vegetation	25.35%	21,708,873,259m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	20.07%	17,186,097,580m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures	6.09%	5,216,779,620m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry, 3.1.4 Environmental forest plantation	0.82%	704,003,997m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services	0.11%	92,000,522m²
	Arable Farming	3.4.0 Perennial horticulture, 3.4.9 Grapes, 4.4.9 Irrigated grapes	0.03%	23,250,132m²
	Water	6.2.0 Reservoir/dam, 6.5.0 Marsh/wetland	0.02%	13,750,078m²
	Unknown	3.6.5 Abandoned perennial horticulture	0.00%	2,500,014m²
	Mining	5.8.0 Mining	0.00%	1,500,009m²
Show minor land uses 6
				856,209,861m²

Waterbug sample history

Sampled on 10 May 2018

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	12	2
TURBELLARIA IF000000	12
Nematoda II	12	3
Nematoda (Unident.) II999999	12
Gastropoda KG	164	1
Gastropoda (Unident.) KG999999	164
Unknown OT	216
Caridea (Unident.) OT999999	216

Coleoptera QC	180	5
Dytiscidae (Unident.) QC099999	160
Coleoptera (Unident.) QCZZ9999	20

Diptera QD	8	3
Culicidae (Unident.) QD079999	8

Ephemeroptera QE	76	9
Ephemeroptera (Unident.) QE999999	76
Hemiptera QH	4	2
Notonectidae (Unident.) QH679999	4
Odonata QO	52	3
Zygoptera (Unident.) QO999997	8
Epiproctophora (Unident.) QO999998	44
Trichoptera QT	36	8
Trichoptera (Unident.) QT999999	36

SIGNALT	3.6
	ORDER
Weighted SIGNALT	3.8

Sampled on 12 October 2017

Taxa	Abundance	SIGNALT Grade
Nematoda II	2	3
Nematoda (Unident.) II999999	2
Gastropoda KG	1	1
Gastropoda (Unident.) KG999999	1
Bivalvia KP	1	3
PELECYPODA KP000000	1
Unknown M9	2
ARACHNIDA (Unident.) M9999999	2
Unknown OT	6
Caridea (Unident.) OT999999	6

Coleoptera QC	78	5
Dytiscidae (Unident.) QC099999	78
Diptera QD	4	3
Chironomidae QDA00000	4
Ephemeroptera QE	72	9
Ephemeroptera (Unident.) QE999999	72
Hemiptera QH	2	2
Notonectidae (Unident.) QH679999	2
Odonata QO	1	3
Epiproctophora (Unident.) QO999998	1
Plecoptera QP	1	10
Plecoptera (Unident.) QP999999	1
Trichoptera QT	3	8
Trichoptera (Unident.) QT999999	3

SIGNALT	3.9
	ORDER
Weighted SIGNALT	4.8

Sampled on 5 May 2017

Taxa	Abundance	SIGNALT Grade
Unknown OT	72
Caridea (Unident.) OT999999	72

Coleoptera QC	190	5
Dytiscidae (Unident.) QC099999	70
Gyrinidae (Unident.) QC109999	120

Ephemeroptera QE	4	9
Ephemeroptera (Unident.) QE999999	4
Hemiptera QH	17	2
Mesoveliidae (Unident.) QH529999	5
Corixidae (Unident.) QH659999	10
Notonectidae (Unident.) QH679999	2
Odonata QO	5	3
Zygoptera (Unident.) QO999997	5
Trichoptera QT	6	8
Trichoptera (Unident.) QT999999	6

SIGNALT	4.5
	ORDER
Weighted SIGNALT	3.9

Sampled on 22 September 2016

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	5	1
Gastropoda (Unident.) KG999999	5
Oligochaeta LO	5	2
Oligochaeta (Unident.) LO999999	5
Amphipoda OP	75	3
AMPHIPODA OP000000	75

Unknown OT	10
Caridea (Unident.) OT999999	10

Coleoptera QC	200	5
Dytiscidae (Unident.) QC099999	60
Gyrinidae (Unident.) QC109999	15

Coleoptera (Unident.) QCZZ9999	125

Diptera QD	615	3
Culicidae (Unident.) QD079999	100

Ceratopogonidae (Unident.) QD099999	500

Chironomidae QDA00000	15
Ephemeroptera QE	350	9
Ephemeroptera (Unident.) QE999999	350
Hemiptera QH	490	2
Mesoveliidae (Unident.) QH529999	5
Corixidae (Unident.) QH659999	475
Notonectidae (Unident.) QH679999	10
Odonata QO	100	3
Epiproctophora (Unident.) QO999998	100
Plecoptera QP	70	10
Plecoptera (Unident.) QP999999	70
Trichoptera QT	75	8
Trichoptera (Unident.) QT999999	75

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.7

Sampled on 4 May 2015

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	20	1
Gastropoda (Unident.) KG999999	20
Unknown OT	24
Caridea (Unident.) OT999999	24

Coleoptera QC	156	5
Dytiscidae (Unident.) QC099999	156
Diptera QD	168	3
Ceratopogonidae (Unident.) QD099999	160

Chironomidae QDA00000	8
Ephemeroptera QE	180	9
Ephemeroptera (Unident.) QE999999	180
Hemiptera QH	64	2
Gerridae (Unident.) QH579999	24
Corixidae (Unident.) QH659999	40
Odonata QO	48	3
Zygoptera (Unident.) QO999997	8
Epiproctophora (Unident.) QO999998	40
Plecoptera QP	12	10
Plecoptera (Unident.) QP999999	12
Trichoptera QT	200	8
Trichoptera (Unident.) QT999999	200

SIGNALT	4.6
	ORDER
Weighted SIGNALT	4.5

Sampled on 17 October 2014

Taxa	Abundance	SIGNALT Grade
Nematoda II	50	3
Nematoda (Unident.) II999999	50
Oligochaeta LO	5	2
Oligochaeta (Unident.) LO999999	5
Unknown M9	165
ARACHNIDA (Unident.) M9999999	165
Unknown OT	160
Caridea (Unident.) OT999999	160

Coleoptera QC	320	5
Dytiscidae (Unident.) QC099999	200
Gyrinidae (Unident.) QC109999	120

Diptera QD	65	3
Chironomidae QDA00000	65
Ephemeroptera QE	275	9
Ephemeroptera (Unident.) QE999999	275
Hemiptera QH	85	2
Gerridae (Unident.) QH579999	50
Corixidae (Unident.) QH659999	10
Notonectidae (Unident.) QH679999	25
Odonata QO	275	3
Zygoptera (Unident.) QO999997	250
Epiproctophora (Unident.) QO999998	25
Trichoptera QT	175	8
Trichoptera (Unident.) QT999999	175

SIGNALT	3.5
	ORDER
Weighted SIGNALT	3.6

Sampled on 16 October 2013

Taxa	Abundance	SIGNALT Grade
Unknown IB	0
HYDROZOA IB000000	0
Nematoda II	15	3
Nematoda (Unident.) II999999	15
Gastropoda KG	0	1
Gastropoda (Unident.) KG999999	0
Bivalvia KP	0	3
PELECYPODA KP000000	0
Hirudinea LH	0	1
Hirudinea (Unident.) LH999999	0
Unknown M9	45
ARACHNIDA (Unident.) M9999999	45
Amphipoda OP	0	3
AMPHIPODA OP000000	0

Isopoda OR	0	2
ISOPODA OR000000	0
Unknown OT	42
Caridea (Unident.) OT999999	42

Decapoda OZ	0	4
CRUSTACEA (Unident.) OZ999999	0
Coleoptera QC	213	5
Dytiscidae (Unident.) QC099999	105
Gyrinidae (Unident.) QC109999	18

Coleoptera (Unident.) QCZZ9999	90

Diptera QD	18	3
Culicidae (Unident.) QD079999	6

Ceratopogonidae (Unident.) QD099999	12

Chironomidae QDA00000	0
Diptera (Unident.)(Larva) QDZZ9999	0

Ephemeroptera QE	1860	9
Ephemeroptera (Unident.) QE999999	1860
Hemiptera QH	0	2
Mesoveliidae (Unident.) QH529999	0
Gerridae (Unident.) QH579999	0
Nepidae (Unident.) QH619999	0
Notonectidae (Unident.) QH679999	0
Megaloptera QM	0	8
Megaloptera (Unident.) QM999999	0

Odonata QO	54	3
Zygoptera (Unident.) QO999997	0
Epiproctophora (Unident.) QO999998	54
Plecoptera QP	51	10
Plecoptera (Unident.) QP999999	51
Trichoptera QT	42	8
Trichoptera (Unident.) QT999999	42
Unknown	0
Unknown	0

SIGNALT	3.4
	ORDER
Weighted SIGNALT	4.6

Sampled on 13 March 2013

Taxa	Abundance	SIGNALT Grade
Unknown IB	0
HYDROZOA IB000000	0
Turbellaria IF	0	2
TURBELLARIA IF000000	0
Nematoda II	4	3
Nematoda (Unident.) II999999	4
Gastropoda KG	8	1
Gastropoda (Unident.) KG999999	8
Bivalvia KP	0	3
PELECYPODA KP000000	0
Hirudinea LH	0	1
Hirudinea (Unident.) LH999999	0
Oligochaeta LO	0	2
Oligochaeta (Unident.) LO999999	0
Unknown M9	96
ARACHNIDA (Unident.) M9999999	96
Amphipoda OP	0	3
AMPHIPODA OP000000	0

Isopoda OR	0	2
ISOPODA OR000000	0
Unknown OT	912
Caridea (Unident.) OT999999	912

Decapoda OZ	0	4
CRUSTACEA (Unident.) OZ999999	0
Coleoptera QC	440	5
Dytiscidae (Unident.) QC099999	100
Gyrinidae (Unident.) QC109999	240

Coleoptera (Unident.) QCZZ9999	100

Diptera QD	40	3
Culicidae (Unident.) QD079999	0

Ceratopogonidae (Unident.) QD099999	40

Chironomidae QDA00000	0
Ephemeroptera QE	468	9
Ephemeroptera (Unident.) QE999999	468
Hemiptera QH	178	2
Mesoveliidae (Unident.) QH529999	4
Gerridae (Unident.) QH579999	0
Nepidae (Unident.) QH619999	0
Corixidae (Unident.) QH659999	152
Notonectidae (Unident.) QH679999	22
Megaloptera QM	0	8
Megaloptera (Unident.) QM999999	0

Odonata QO	48	3
Zygoptera (Unident.) QO999997	12
Epiproctophora (Unident.) QO999998	36
Plecoptera QP	28	10
Plecoptera (Unident.) QP999999	28
Trichoptera QT	76	8
Trichoptera (Unident.) QT999999	76

SIGNALT	3.5
	ORDER
Weighted SIGNALT	4.2

Our waterways under the magnifying glass

Contact the National Waterbug Blitz Team at info@waterbugblitz.org.au

All Content © 2025 National Waterbug Blitz - All Rights Reserved

| Acknowledgements | Website Privacy Policy