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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

3 May 2024

Porirua City Council

Nigel Clarke

Overview

C

10

10.2

9.7

50m x 10m

Mixed Substrate

Items per 1,000m2

1330

Products

665

16609

Type Count Weight (g)
Plastic 474 4002
Resin pellets B N/A
Toys, sport, & recreation (Plastic) 19 124
Strapping bands & tape 9 95
Bottles, drums, jerrycans & buckets > 2 L 18 1732
Unidentifiable soft plastic fragments 168 806
Gloves 5 167
Cable ties & zip ties 26 59
Food containers 25 159
Pens & Stationery 6 49
Food wrappers 37 280
Unidentifiable hard plastic fragments 157 518
Cosmetics and medical packaging 1 2
Parking tickets & receipts 2 3
Safety & construction related 1 8
Foamed Plastic 62 167
Polystyrene insulation or packaging 61 162
Foam sponge 1 5
Metal 58 1331
Foil wrappers 38 182
Other cans (<= 4 L) 5 723
Aluminium drink cans 14 415
Construction material 1 11
Glass & Ceramic 43 308
Glass or ceramic fragments 43 308
Fabric & Textiles 16 695
Other cloth 14 335
Unidentifiable cloth fragments 1 30
Footwear & shoes 1 330
Paper & Cardboard 7 54
Paper, newspapers & paper receipts 1 2
Cups, food trays & wrappers 6 52
Wood 3 10000
Processed timber & pallet crates 3 10000
Rubber 2 52
Toys, Sports & Recreation (Rubber) 2 52

Materials

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  • If you would like to learn how this data was collected. Our Methodology

Previous survey in this area

Porirua Harbour - Porirua Stream Estuary Kids Enhancing Tawa Ecosystems (KETE)
03 Nov, 2023
Items per 1,000m2
2230
86%