Data.

This dataset was collected by Citizen Scientists at an official ‘Monitoring Site’ as part of the Litter Intelligence long-term litter monitoring programme. It is 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

West end

29 June 2019

Sustainable Coastlines

Ben Knight

Overview

OFFICIAL SURVEY

Highest rank for data integrity

D

10

10

3

100m x 6m

MuddySand

Items per 1,000m2

2100

Products

1260

8267

Type Count Weight (g)
Plastic 1099 2199
Resin pellets A N/A
Cable ties & zip ties 6 15
Cigarette lighters 1 21
Cigarettes, butts & filters 33 6
Gardening & farming related 9 13
Clothes pegs 1 2
Bottle seals & tabs 5 2
Parking tickets & receipts 1 1
Strapping bands 6 32
Bottles <= 2 L (Plastic) 19 586
Food containers 68 167
Straws 60 35
Food wrappers 641 474
Gloves 12 90
Medical waste 3 3
Bottle caps & lids (Plastic) 30 72
Toys, balls & party poppers 14 214
Lollipop sticks & cotton buds 40 10
Pens 2 23
Unidentifiable hard plastic fragments 125 381
Plastic bags 9 31
Plastic utensils 10 19
Bottle neck rings 4 2
Foamed Plastic 47 60
Foam sponge 3 33
Unidentifiable foamed plastic fragments 3 2
Polystyrene insulation or packaging 35 18
Polystyrene cups or food packs 6 7
Paper & Cardboard 27 188
Cups, food trays & wrappers 19 157
Cardboard boxes & fragments 8 31
Wood 22 4283
Wooden utensils 2 3
Processed timber & pallet crates 20 4280
Other 15 31
Appliances & electronics 1 31
Sanitary items 14 N/A
Metal 15 78
Metal Bottle caps, lids & pull tabs 2 4
Foil wrappers 7 15
Wire, wire mesh & barbed wire 1 9
Aluminium drink cans 5 50
Glass & Ceramic 15 1218
Glass or ceramic fragments 10 127
Bottles & jars 5 1091
Cloth 14 53
Other Cloth 14 53
Rubber 6 157
Unidentifiable rubber fragments 4 23
Rubber footwear 2 134
Materials
  • Would you like to analyse the data yourself?
  • If you would like to learn how this data was collected. Our Methodology