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.

Wellington Harbour - Hikoikoi Reserve, Petone Beach

28 November 2025

Greater Wellington Regional Council - Te Pane Matua Taiao

Megan Melidonis

Overview

B

12

17.0

0.5

100m x 20m

Mixed Substrate

Items per 1,000m2

274

Products

549

14288

Type Count Weight (g)
Glass & Ceramic 354 12477
Glass or ceramic fragments 71 276
Construction material 283 12201
Plastic 110 172
Resin pellets A N/A
Food wrappers 53 79
Shotgun wadding & shells 1 3
Unidentifiable hard plastic fragments 27 27
Toys, sport, & recreation (Plastic) 4 26
Straws 4 2
Lollipop sticks 3 2
Cigarettes, butts & filters 2 1
Cable ties & zip ties 1 1
Clothes pegs 1 3
Fishing line 1 1
Fishing gear 2 1
Cigarette lighters 1 12
Bottle caps & lids 8 13
Bottle neck rings 2 1
Metal 57 1479
Metal Bottle caps, lids & pull tabs 2 4
Unidentifiable metal fragments 17 293
Foil wrappers 1 1
Construction material 10 1061
Other Metal 27 120
Other 8 6
Faeces 2 N/A
Sanitary items 1 N/A
Personal care items 3 5
Other 2 1
Paper & Cardboard 6 87
Unidentifiable paper and cardboard fragments 5 86
Cups, food trays & wrappers 1 1
Fabric & Textiles 5 51
Unidentifiable cloth fragments 4 8
Footwear & shoes 1 43
Foamed Plastic 5 5
Ear plugs 1 1
Foam glazier spacers 4 4
Wood 3 10
Processed timber & pallet crates 3 10
Rubber 1 1
Toys, Sports & Recreation (Rubber) 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