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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

22 March 2022

Partnerships Team, Ministry for the Environment

Logan Anderson

Overview

D

8

8.0

5.5

50m x 10m

Mud

Items per 1,000m2

1320

Products

660

9573

Type Count Weight (g)
Plastic 466 3536
Unidentifiable soft plastic fragments 145 530
Unidentifiable hard plastic fragments 138 356
Food wrappers 30 45
Other Plastic 13 137
Bottle caps & lids 23 46
Strapping bands & tape 8 34
Clothes pegs 6 13
Bottle neck rings 2 1
Straws 5 5
Toys, sport, & recreation (Plastic) 8 95
Lollipop sticks 5 2
Plastic utensils 2 2
Safety & construction related 20 285
Fishing gear 1 7
Gardening & farming related 8 137
Cigarette lighters 2 34
Plastic bags 1 181
Cigarettes, butts & filters 4 1
Food containers 11 57
Bottles <= 2 L 10 1434
Plastic vehicle parts 3 65
Cable ties & zip ties 15 25
Pens & Stationery 6 44
Resin pellets A N/A
Foamed Plastic 81 133
Foam glazier spacers 11 7
Other Foamed Plastic 9 83
Ear plugs 3 2
Polystyrene insulation or packaging 56 38
Polystyrene cups or food packs 2 3
Fabric & Textiles 44 2657
Clothing, towels and linen 4 1728
Unidentifiable cloth fragments 40 929
Metal 17 109
Aluminium drink cans 8 101
Metal Bottle caps, lids & pull tabs 1 2
Foil wrappers 8 6
Wood 15 2908
Processed timber & pallet crates 13 2834
Other Wood (specify) 2 74
Rubber 14 165
Toys, Sports & Recreation (Rubber) 5 1
Rubber footwear 2 93
Other Rubber (specify) 7 71
Other 13 18
Sanitary items 10 N/A
Personal care items 3 18
Glass & Ceramic 8 46
Glass or ceramic fragments 8 46
Paper & Cardboard 2 1
Cups, food trays & wrappers 2 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

Porirua Harbour - Porirua Stream Estuary Porirua City Council
02 Jun, 2021
Items per 1,000m2
1163
88%

Next survey in this area

Porirua Harbour - Porirua Stream Estuary Sustainable Coastlines
25 May, 2022
Items per 1,000m2
2354
86%