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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.

Porirua Harbour - Porirua Stream Estuary

9 October 2019

Sustainable Coastlines

Ben Knight

Overview

C

5

3.8

3.2

50m x 15m

Mud

Items per 1,000m2

1256

Products

942

4352

Type Count Weight (g)
Plastic 800 1970
Resin pellets A N/A
Cigarette lighters 3 32
Gardening & farming related 10 41
Strapping bands & tape 41 59
Gloves 6 162
Other Plastic 1 36
Cigarettes, butts & filters 139 32
Rope 1 3
Unidentifiable hard plastic fragments 226 423
Toys, sport, & recreation (Plastic) 7 125
Food containers 35 72
Plastic bags 4 211
Bottle caps & lids 39 94
Bottle neck rings 7 4
Bottle seals & tabs 7 1
Lollipop sticks 11 4
Plastic utensils 17 32
Straws 14 12
Food wrappers 188 312
Clothes pegs 5 14
Cosmetics and medical packaging 7 43
Pens & Stationery 19 30
Cable ties & zip ties 9 16
Bottles <= 2 L 4 212
Foamed Plastic 45 28
Unidentifiable foamed plastic fragments 20 24
Ear plugs 1 1
Polystyrene cups or food packs 3 2
Polystyrene insulation or packaging 21 1
Fabric & Textiles 43 429
Clothing, towels and linen 2 94
Other cloth 41 335
Metal 25 175
Construction material 4 16
Foil wrappers 17 29
Other Metal 1 39
Metal Bottle caps, lids & pull tabs 1 26
Aluminium drink cans 1 43
Tableware 1 22
Rubber 10 77
Toys, Sports & Recreation (Rubber) 7 73
Rubber bands 3 4
Wood 10 1650
Processed timber & pallet crates 10 1650
Other 7 0
Sanitary items 6 N/A
Sanitary items 1 N/A
Paper & Cardboard 2 23
Cups, food trays & wrappers 2 23

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

Porirua Harbour - Porirua Stream Estuary Porirua City Council
29 Jun, 2019
Items per 1,000m2
2136
90%

Next survey in this area

Porirua Harbour - Porirua Stream Estuary Porirua City Council
09 Jan, 2020
Items per 1,000m2
1957
88%