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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

2 June 2021

Porirua City Council

Nigel Clarke

Overview

B

11

13.8

15.6

50m x 20m

Mud

Items per 1,000m2

1163

Products

1163

7947

Type Count Weight (g)
Plastic 879 4918
Resin pellets B N/A
Fishing line 2 1
Fishing gear 1 1
Unidentifiable hard plastic fragments 152 896
Food wrappers 195 607
Strapping bands & tape 30 103
Plastic bags 6 32
Unidentifiable soft plastic fragments 262 32
Lollipop sticks 13 5
Food containers 44 373
Toys, sport, & recreation (Plastic) 33 1181
Plastic utensils 17 50
Bottle caps & lids 49 138
Cigarettes, butts & filters 2 2
Cigarette lighters 4 57
Straws 22 28
Pens & Stationery 11 96
Bottle seals & tabs 23 800
Gloves 13 516
Foamed Plastic 150 245
Polystyrene insulation or packaging 132 170
Foam sponge 12 70
Ear plugs 6 5
Metal 33 1286
Foil wrappers 14 165
Sharps, needles, lancets, metal catheters 1 N/A
Aluminium drink cans 18 1121
Fabric & Textiles 32 800
Footwear & shoes 2 157
Clothing, towels and linen 30 643
Wood 27 7
Processed timber & pallet crates 27 7
Paper & Cardboard 21 265
Cups, food trays & wrappers 21 265
Rubber 10 158
Tyres 1 48
Construction & Automotive 9 110
Other 8 181
Personal care items 8 181
Glass & Ceramic 3 87
Glass or ceramic fragments 3 87

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
18 Feb, 2021
Items per 1,000m2
1530
92%

Next survey in this area

Porirua Harbour - Porirua Stream Estuary Partnerships Team, Ministry for the Environment
22 Mar, 2022
Items per 1,000m2
1320
83%