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Data.

This dataset was collected by Citizen Scientists at an official 'Survey Area' 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 Survey

beach-icon Beach.

Porirua Harbour - Porirua Stream Estuary

28 October 2022

Kids Enhancing Tawa Ecosystems (KETE)

Olivia Rees

Overview

B

21

12.3

35.0

50m x 10m

Mixed Substrate

Items per 1,000m2

3430

Products

1715

32571

Type Count Weight (g)
Plastic 1326 4467
Other Plastic 1 24
Mesh bags 3 30
Cigarettes, butts & filters 13 3
Gloves 9 164
Lollipop sticks 19 9
Plastic vehicle parts 5 29
Pens & Stationery 17 73
Unidentifiable hard plastic fragments 398 912
Bottles <= 2 L 8 281
Cosmetics and medical packaging 5 117
Toys, sport, & recreation (Plastic) 37 101
Hangers & retail packaging 35 20
Cigarette lighters 2 19
Rope 3 7
Strapping bands & tape 42 69
Safety & construction related 14 1590
Food containers 54 91
Clothes pegs 20 37
Cable ties & zip ties 23 33
Syringes 2 N/A
Gardening & farming related 32 30
Plastic utensils 28 67
Food wrappers 143 142
Straws 7 90
Fishing gear 1 19
Bottle seals & tabs 20 7
Bottle caps & lids 38 55
Unidentifiable soft plastic fragments 347 448
Resin pellets A N/A
Foamed Plastic 219 1000
Foam sponge 1 866
Polystyrene insulation or packaging 116 54
Polystyrene cups or food packs 6 4
Foam glazier spacers 13 5
Toys, Sports & Recreation (Foamed Plastic) 7 19
Other Foamed Plastic 7 12
Ear plugs 10 8
Unidentifiable foamed plastic fragments 59 32
Fabric & Textiles 41 387
Unidentifiable cloth fragments 41 387
Glass & Ceramic 40 6958
Glass or ceramic fragments 23 158
Construction material 17 6800
Rubber 27 67
Construction & Automotive 4 43
Rubber bands 16 6
Inner-tubes and rubber sheet 1 5
Toys, Sports & Recreation (Rubber) 6 13
Metal 26 237
Aluminium drink cans 7 221
Foil wrappers 17 8
Metal Bottle caps, lids & pull tabs 2 8
Other 23 109
Sanitary items 15 N/A
Paraffin or wax 1 37
Personal care items 7 72
Wood 11 19345
Other Wood (specify) 2 6
Processed timber & pallet crates 8 19330
Corks 1 9
Paper & Cardboard 2 1
Paper, newspapers & paper receipts 2 1

Materials

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  • If you would like to learn how this data was collected. Our Methodology

Previous survey in this area

Porirua Harbour - Porirua Stream Estuary Sustainable Coastlines
25 May, 2022
Items per 1,000m2
2354
86%

Next survey in this area

Porirua Harbour - Porirua Stream Estuary Porirua City Council
28 Feb, 2023
Items per 1,000m2
2614
84%