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.

Onehunga - Taumanu Reserve

9 September 2026

Sustainable Coastlines

Helen Adams-Blackburn

Overview

B

12

6.0

2.9

100m x 10m

Sand

Items per 1,000m2

275

Products

275

3310

Type Count Weight (g)
Plastic 248 230
Resin pellets B N/A
Cable ties & zip ties 3 3
Gardening & farming related 2 1
Bottle caps & lids 17 30
Lollipop sticks 10 4
Cigarettes, butts & filters 7 2
Rope 2 17
Toys, sport, & recreation (Plastic) 9 42
Unidentifiable soft plastic fragments 22 28
Gloves 1 16
Strapping bands & tape 6 2
Food wrappers 13 19
Cosmetics and medical packaging 1 7
Unidentifiable hard plastic fragments 151 51
Pens & Stationery 3 7
Straws 1 1
Foamed Plastic 21 19
Foam sponge 1 9
Polystyrene insulation or packaging 20 10
Wood 2 3044
Wooden utensils 1 43
Processed timber & pallet crates 1 3001
Glass & Ceramic 2 14
Glass or ceramic fragments 2 14
Fabric & Textiles 1 2
Rope, line or string (natural) 1 2
Paper & Cardboard 1 1
Cups, food trays & wrappers 1 1

Materials

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