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 Collection Survey

Porirua Harbour - Porirua Stream Estuary

9 January 2020

Porirua City Council

Nigel Clarke

Overview

C

12

12.6

11.3

50m x 15m

Mud

Items per 1,000m2

1957

Products

1468

7190

Type Count Weight (g)
Plastic 1097 4144
Resin pellets C N/A
Unidentifiable hard plastic fragments 84 507
Toys, sport, & recreation 42 440
Straws 32 36
Bottle caps & lids 86 259
Cable ties & zip ties 8 12
Cigarette lighters 5 180
Cigarettes, butts & filters 9 2
Clothes pegs 4 78
Food containers 263 808
Food wrappers 158 180
Gloves 9 380
Lollipop sticks 27 13
Medical waste 7 21
Parking tickets & receipts 2 1
Pens 23 102
Plastic bags 11 63
Unidentifiable soft plastic fragments 270 615
Plastic utensils 26 42
Plastic vehicle parts 16 118
Rope 2 40
Shotgun wadding & shells 1 1
Strapping bands & tape 11 56
Other Plastic 1 190
Foamed Plastic 200 580
Foam sponge 9 178
Polystyrene cups or food packs 28 50
Polystyrene insulation or packaging 122 341
Other Foamed Plastic 40 10
Ear plugs 1 1
Cloth 69 623
Clothing, hats, gloves & towels 38 521
Footwear & shoes 1 40
Unidentifiable cloth fragments 30 62
Metal 49 231
Aluminium drink cans 9 111
Foil wrappers 40 120
Rubber 20 1212
Balloons, tennis balls, footballs, dog toys etc 5 140
Condoms 1 N/A
Rubber gloves 6 180
Rubber bands 6 2
Rubber footwear 1 90
Tyres 1 800
Glass & Ceramic 13 111
Bottles & jars 13 111
Paper & Cardboard 11 129
Cardboard boxes 11 129
Wood 8 158
Processed timber & pallet crates 8 158
Other 1 2
Personal care items 1 2
Materials
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