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.

Wellington Harbour - Hikoikoi Reserve, Petone Beach

30 June 2025

Sustainable Coastlines

Helen Adams-Blackburn

Overview

B

1

1.5

1.2

100m x 20m

Cobbles

Items per 1,000m2

46

Products

92

526

Type Count Weight (g)
Plastic 69 154
Resin pellets B N/A
Hangers & retail packaging 2 1
Food wrappers 16 9
Fibreglass fragments 1 6
Cosmetics and medical packaging 1 4
Plastic bags 4 24
Gardening & farming related 1 1
Plastic vehicle parts 1 11
Lollipop sticks 5 2
Plastic sheeting 1 1
Rope 1 2
Toys, sport, & recreation (Plastic) 1 5
Pens & Stationery 1 1
Straws 3 2
Bottle caps & lids 15 23
Unidentifiable soft plastic fragments 6 2
Unidentifiable hard plastic fragments 2 29
Food containers 1 5
Fishing line 3 7
Fishing gear 1 9
Safety & construction related 3 10
Foamed Plastic 10 5
Ear plugs 1 1
Unidentifiable foamed plastic fragments 2 1
Polystyrene cups or food packs 1 1
Foam glazier spacers 3 1
Polystyrene insulation or packaging 3 1
Other 6 29
Personal care items 1 7
Appliances & electronics 5 22
Glass & Ceramic 3 241
Glass or ceramic fragments 1 11
Light globes/bulbs 1 21
Construction material 1 209
Metal 3 96
Construction material 1 2
Unidentifiable metal fragments 2 94
Wood 1 1
Corks 1 1

Materials

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