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

freshwater-icon Freshwater.

Whau River - Miranda Reserve

7 February 2024

Watercare

Kate Van Dongen

Overview

C

5

3.8

7.0

12m x 10m

Mud

Items per 1,000m2

1925

Products

231

28173

Type Count Weight (g)
Plastic 138 2648
Resin pellets A N/A
Plastic bags 3 79
Food wrappers 53 47
Unidentifiable hard plastic fragments 19 54
Safety & construction related 3 162
Hangers & retail packaging 6 26
Plastic sheeting 3 38
Pens & Stationery 1 2
Gardening & farming related 1 18
Other Plastic 2 3
Toys, sport, & recreation (Plastic) 1 1
Cosmetics and medical packaging 1 18
Bottles <= 2 L 5 259
Fishing nets 1 1
Cigarettes, butts & filters 1 1
Food containers 2 2
Bottle caps & lids 3 22
Cable ties & zip ties 8 1
Mesh bags 1 1
Unidentifiable soft plastic fragments 23 43
Bottles, drums, jerrycans & buckets > 2 L 1 1870
Paper & Cardboard 31 37
Cups, food trays & wrappers 11 9
Unidentifiable paper and cardboard fragments 20 28
Fabric & Textiles 23 11077
Clothing, towels and linen 16 5666
Rope, line or string (natural) 3 4
Backpacks & bags 2 5390
Unidentifiable cloth fragments 1 1
Other cloth 1 16
Metal 12 515
Unidentifiable metal fragments 1 68
Construction material 1 38
Aluminium drink cans 6 125
Metal vehicle parts - N/A
Other Metal 4 284
Glass & Ceramic 10 780
Construction material 1 6
Glass or ceramic fragments 6 120
Bottles & jars 3 654
Foamed Plastic 9 70
Polystyrene cups or food packs 1 1
Polystyrene insulation or packaging 8 69
Wood 7 13000
Processed timber & pallet crates 7 13000
Rubber 1 46
Toys, Sports & Recreation (Rubber) 1 46

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

This is the first litter survey in this survey area