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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.

Sumner Beach - Cave Rock End

13 June 2026

Without Waste

Jessica Lamb

Overview

A

11

6.4

3.5

100m x 20m

Sand

Items per 1,000m2

77

Products

154

103

Type Count Weight (g)
Plastic 120 63
Resin pellets C N/A
Rope 7 15
Bottle caps & lids 3 3
Cigarettes, butts & filters 14 2
Food wrappers 11 6
Clothes pegs 1 1
Other Plastic 1 6
Unidentifiable hard plastic fragments 83 30
Foamed Plastic 11 1
Polystyrene insulation or packaging 11 1
Paper & Cardboard 9 6
Cups, food trays & wrappers 2 2
Unidentifiable paper and cardboard fragments 4 2
Paper, newspapers & paper receipts 3 2
Wood 4 28
Wooden utensils 2 3
Other Wood (specify) 2 25
Other 4 1
Personal care items 2 1
Sanitary items 2 N/A
Fabric & Textiles 4 2
Unidentifiable cloth fragments 4 2
Rubber 1 1
Rubber bands 1 1
Metal 1 1
Unidentifiable metal fragments 1 1

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

Sumner Beach - Cave Rock End Christchurch Envirokids
31 Jan, 2026
Items per 1,000m2
107
82%