Data.

This dataset was collected by Citizen Scientists at a specific 'Survey Area', set-up at an official ‘Monitoring Site’ as part of the Litter Intelligence long-term litter monitoring programme. The data are freely and openly accessible to anyone. Download the raw data, share this survey, and learn more about the data collection methodology through the links at the bottom of the page.

Litter Collection Survey

Porirua Harbour

Paremata Bridge

29 June 2019

Porirua City Council

Michael Lavery

Overview

C

6

9

14.3

90m x 17m

MuddySand

Items per 1,000m2

1090

Products

1668

13050

Type Count Weight (g)
Plastic 1359 6651
Resin pellets A N/A
Clothes pegs 5 16
Lollipop sticks & cotton buds 3 2
Cigarettes, butts & filters 4 1
Bottle neck rings 2 2
Plastic vehicle parts 1 34
Straws 34 49
Gardening & farming related 14 66
Parking tickets & receipts 24 24
Other Plastic 16 28
Fishing line 1 1
Pens 16 57
Food wrappers 720 1805
Food containers 115 600
Unidentifiable hard plastic fragments 225 2432
Plastic bags 9 332
Bottles <= 2 L (Plastic) 6 426
Bottle caps & lids (Plastic) 68 271
Toys, balls & party poppers 12 134
Medical waste 3 21
Gloves 4 29
Strapping bands 54 137
Plastic utensils 5 11
Cable ties & zip ties 10 24
Rope 8 149
Glass & Ceramic 64 848
Bottles & jars 54 725
Glass or ceramic fragments 10 123
Cloth 62 3481
Footwear & shoes 4 979
Clothing, hats, gloves & towels 25 2027
Canvas, sailcloth & sacking (hessian) 1 174
Other Cloth 32 301
Paper & Cardboard 58 398
Cups, food trays & wrappers 1 8
Paper 38 76
Other Paper & Cardboard 19 314
Foamed Plastic 48 63
Polystyrene cups or food packs 4 1
Ear plugs 1 1
Unidentifiable foamed plastic fragments 43 61
Metal 43 808
Tableware 1 53
Unidentifiable metal fragments 5 55
Other Metal 1 2
Aluminium drink cans 25 674
Metal Bottle caps, lids & pull tabs 11 24
Rubber 19 659
Rubber bands 3 7
Unidentifiable rubber fragments 13 270
Other Rubber 3 382
Other 13 85
Sanitary items 11 N/A
Other 1 81
Paraffin or wax 1 4
Wood 2 57
Processed timber & pallet crates 2 57
Materials
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  • If you would like to learn how this data was collected. Our Methodology