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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.

Avon Heathcote / Ihutai Estuary - Windsurfer's reserve

23 November 2025

LOOP - Litter out of Ōtautahi Project

Kate Gislason

Overview

B

7

3.6

5.4

100m x 9m

Mixed Substrate

Items per 1,000m2

197

Products

177

1559

Type Count Weight (g)
Plastic 96 290
Resin pellets A N/A
Straws 2 3
Food wrappers 15 16
Bottle caps & lids 6 13
Bottle seals & tabs 3 1
Bottle neck rings 2 1
Food containers 5 31
Lollipop sticks 2 1
Unidentifiable hard plastic fragments 15 40
Gardening & farming related 1 13
Cigarettes, butts & filters 2 2
Strapping bands & tape 4 2
Fishing gear 1 5
Hangers & retail packaging 3 46
Parking tickets & receipts 1 1
Cosmetics and medical packaging 1 34
Rope 2 1
Unidentifiable soft plastic fragments 31 80
Glass & Ceramic 33 375
Glass or ceramic fragments 32 262
Construction material 1 113
Paper & Cardboard 22 60
Cups, food trays & wrappers 9 22
Unidentifiable paper and cardboard fragments 5 12
Fireworks 8 26
Metal 7 411
Other Metal 2 362
Construction material 1 2
Metal Bottle caps, lids & pull tabs 2 5
Aluminium drink cans 1 15
Tableware 1 27
Foamed Plastic 6 5
Foam glazier spacers 1 1
Unidentifiable foamed plastic fragments 5 4
Rubber 5 61
Unidentifiable rubber fragments 4 3
Rubber footwear 1 58
Other 5 346
Batteries (Household) 1 12
Batteries (Non-household) 3 314
Other 1 20
Fabric & Textiles 2 9
Clothing, towels and linen 2 9
Wood 1 2
Wooden utensils 1 2

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

Avon Heathcote / Ihutai Estuary - Windsurfer's reserve LOOP - Litter out of Ōtautahi Project
04 May, 2024
Items per 1,000m2
470
81%