litter intelligence logo

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

30 March 2025

Sustainable Coastlines

Max Archer

Overview

A

1

1.0

1.0

50m x 20m

Cobbles

Items per 1,000m2

32

Products

32

65

Type Count Weight (g)
Plastic 13 28
Resin pellets A N/A
Bottle caps & lids 1 3
Fishing nets 1 1
Fishing line 1 1
Rope 1 1
Food wrappers 3 1
Cigarettes, butts & filters 1 1
Unidentifiable hard plastic fragments 5 20
Paper & Cardboard 10 7
Tetrapaks 8 6
Other Paper & Cardboard (specify) 2 1
Metal 5 24
Metal Bottle caps, lids & pull tabs 3 6
Aluminium drink cans 1 14
Unidentifiable metal fragments 1 4
Other 2 1
Other 2 1
Wood 1 2
Wooden utensils 1 2
Fabric & Textiles 1 3
Clothing, towels and linen 1 3

Materials

  • Would you like to analyse the data yourself?
  • Or share if you think this data would be interesting to others.
  • If you would like to learn how this data was collected. Our Methodology

Previous survey in this area

Otaki Beach - Otaki river mouth Ōtaki College
27 Jan, 2023
Items per 1,000m2
152
76%