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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

18 February 2021

Porirua City Council

Nigel Clarke

Overview

C

15

37.5

13.5

50m x 20m

Gravel/Pebble

Items per 1,000m2

1530

Products

1530

5446

Type Count Weight (g)
Plastic 1359 1920
Resin pellets B N/A
Unidentifiable hard plastic fragments 256 66
Bottle neck rings 86 23
Bottles <= 2 L 38 145
Cable ties & zip ties 46 91
Cigarette lighters 6 90
Cigarettes, butts & filters 3 7
Food containers 88 51
Unidentifiable soft plastic fragments 268 129
Food wrappers 254 56
Lollipop sticks 13 15
Pens & Stationery 20 142
Plastic bags 4 28
Plastic utensils 17 67
Strapping bands & tape 98 172
Straws 17 6
Toys, sport, & recreation (Plastic) 127 460
Gloves 18 372
Foamed Plastic 56 158
Foam sponge 7 7
Polystyrene cups or food packs 21 35
Toys, Sports & Recreation (Foamed Plastic) 1 30
Unidentifiable foamed plastic fragments 17 79
Foam glazier spacers 9 6
Ear plugs 1 1
Rubber 35 349
Rubber gloves 26 50
Rubber footwear 9 299
Wood 21 1945
Corks 1 3
Processed timber & pallet crates 20 1942
Paper & Cardboard 16 95
Cups, food trays & wrappers 16 95
Metal 15 116
Aluminium drink cans 7 7
Foil wrappers 7 8
Other Metal 1 101
Other 13 158
Sanitary items 3 N/A
Other 10 158
Fabric & Textiles 10 476
Footwear & shoes 3 400
Rope, line or string (natural) 1 3
Other cloth 6 73
Glass & Ceramic 5 229
Bottles & jars 2 207
Glass or ceramic fragments 3 22

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
16 Sep, 2020
Items per 1,000m2
2201
87%

Next survey in this area

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