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

5 March 2019

Porirua Harbour Trust and Enviroschools

Amanda Dobson

Overview

OFFICIAL SURVEY

Highest rank for data integrity

C

12

6

1

50m x 6m

MuddySand

Items per 1,000m2

767

Products

230

1742

Type Count Weight (g)
Plastic 158 608
Resin pellets A N/A
Strapping bands 5 5
Bottle seals & tabs 2 1
Plastic bags 9 71
Food wrappers 71 47
Gardening & farming related 2 5
Unidentifiable hard plastic fragments 23 92
Parking tickets & receipts 3 1
Cigarettes, butts & filters 4 2
Fishing line 1 1
Straws 6 8
Food containers 20 100
Plastic vehicle parts 1 81
Toys, balls & party poppers 2 7
Bottle caps & lids (Plastic) 3 7
Clothes pegs 1 5
Pens 1 7
Bottles <= 2 L (Plastic) 4 168
Paper & Cardboard 26 58
Paper 22 30
Cups, food trays & wrappers 4 28
Glass & Ceramic 16 156
Glass or ceramic fragments 16 156
Foamed Plastic 9 6
Polystyrene cups or food packs 1 2
Unidentifiable foamed plastic fragments 8 4
Cloth 7 161
Other Cloth 6 154
Footwear & shoes 1 7
Metal 7 99
Aluminium drink cans 2 24
Unidentifiable metal fragments 4 20
Fishing related 1 55
Wood 5 647
Processed timber & pallet crates 5 647
Rubber 2 7
Rubber bands 1 5
Balloons, tennis balls, footballs, dog toys etc 1 2
Materials
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  • If you would like to learn how this data was collected. Our Methodology