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.

Otaki Beach - Otaki river mouth

17 July 2025

Sustainable Coastlines

Helen Adams-Blackburn

Overview

B

2

1.0

1.5

50m x 20m

Gravel/Pebble

Items per 1,000m2

137

Products

137

422

Type Count Weight (g)
Plastic 95 229
Resin pellets A N/A
Plastic sheeting 1 1
Straws 3 4
Shotgun wadding & shells 5 16
Other Plastic 1 3
Clothes pegs 1 9
Fishing gear 2 8
Strapping bands & tape 2 1
Rope 10 19
Fishing line 5 3
Hangers & retail packaging 1 3
Bottle caps & lids 8 38
Food wrappers 6 5
Toys, sport, & recreation (Plastic) 6 3
Safety & construction related 3 2
Pens & Stationery 1 1
Plastic bags 1 1
Food containers 2 85
Unidentifiable hard plastic fragments 29 22
Gardening & farming related 1 2
Lollipop sticks 3 1
Cable ties & zip ties 2 1
Cigarettes, butts & filters 2 1
Metal 18 117
Other cans (<= 4 L) 3 67
Aluminium drink cans 5 30
Unidentifiable metal fragments 3 4
Construction material 2 3
Metal Bottle caps, lids & pull tabs 5 13
Foamed Plastic 7 5
Polystyrene insulation or packaging 7 5
Paper & Cardboard 6 27
Unidentifiable paper and cardboard fragments 5 18
Tetrapaks 1 9
Rubber 4 15
Unidentifiable rubber fragments 1 9
Rubber bands 2 2
Toys, Sports & Recreation (Rubber) 1 4
Other 3 12
Sanitary items 1 N/A
Personal care items 2 12
Fabric & Textiles 3 7
Unidentifiable cloth fragments 3 7
Wood 1 10
Corks 1 10

Materials

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