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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

23 August 2023

Porirua City Council

Nigel Clarke

Overview

C

14

12.8

14.2

50m x 10m

Mixed Substrate

Items per 1,000m2

2524

Products

1262

12593

Type Count Weight (g)
Plastic 1103 3638
Resin pellets B N/A
Bottles <= 2 L 6 167
Bottles, drums, jerrycans & buckets > 2 L 4 308
Cigarettes, butts & filters 1 1
Lollipop sticks 18 8
Straws 8 15
Toys, sport, & recreation (Plastic) 11 320
Unidentifiable hard plastic fragments 92 301
Unidentifiable soft plastic fragments 481 720
Food containers 46 390
Food wrappers 160 192
Parking tickets & receipts 220 683
Strapping bands & tape 33 57
Safety & construction related 14 78
Mesh bags 9 398
Foamed Plastic 61 2053
Polystyrene cups or food packs 6 16
Polystyrene insulation or packaging 44 112
Other Foamed Plastic 11 1925
Fabric & Textiles 24 921
Clothing, towels and linen 23 336
Footwear & shoes 1 585
Paper & Cardboard 23 210
Tetrapaks 1 16
Paper, newspapers & paper receipts 14 113
Cups, food trays & wrappers 8 81
Metal 19 225
Other cans (<= 4 L) 1 102
Aluminium drink cans 2 70
Foil wrappers 13 32
Fishing related 3 21
Wood 16 5299
Processed timber & pallet crates 15 5296
Other Wood (specify) 1 3
Other 10 0
Sanitary items 10 N/A
Glass & Ceramic 5 245
Bottles & jars 5 245
Rubber 1 2
Toys, Sports & Recreation (Rubber) 1 2

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 Porirua City Council
28 Feb, 2023
Items per 1,000m2
2614
84%

Next survey in this area

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