litter intelligence logo

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 - Paremata Bridge

19 October 2021

Paremata School

Jemma Hovelmeier

Overview

C

34

19.8

62.0

30m x 9m

Gravel/Pebble

Items per 1,000m2

4381

Products

1183

54294

Type Count Weight (g)
Plastic 1019 2510
Resin pellets A N/A
Plastic bags 38 360
Bacterial habitat wheels 2 1
Food wrappers 172 91
Fishing line 4 10
Bottles, drums, jerrycans & buckets > 2 L 1 252
Gardening & farming related 4 47
Strapping bands & tape 15 21
Bottle caps & lids 70 157
Bottles <= 2 L 6 288
Toys, sport, & recreation (Plastic) 18 78
Bottle seals & tabs 12 3
Bottle neck rings 13 4
Cigarette lighters 2 17
Cigarettes, butts & filters 5 1
Shotgun wadding & shells 3 10
Cosmetics and medical packaging 6 13
Cable ties & zip ties 2 5
Rope 22 68
Pens & Stationery 11 9
Unidentifiable hard plastic fragments 300 311
Parking tickets & receipts 2 3
Plastic vehicle parts 1 114
Unidentifiable soft plastic fragments 227 369
Hangers & retail packaging 1 6
Food containers 17 194
Safety & construction related 4 31
Straws 37 39
Lollipop sticks 24 8
Glass & Ceramic 73 1090
Glass or ceramic fragments 65 244
Bottles & jars 4 836
Construction material 4 10
Foamed Plastic 36 45069
Toys, Sports & Recreation (Foamed Plastic) 2 10
Foam glazier spacers 2 1
Foam sponge 1 45000
Unidentifiable foamed plastic fragments 12 53
Polystyrene insulation or packaging 19 5
Other 28 19
Personal care items 1 16
Cotton buds 23 3
Sanitary items 4 N/A
Wood 15 5500
Processed timber & pallet crates 15 5500
Rubber 6 13
Toys, Sports & Recreation (Rubber) 5 7
Rubber gloves 1 6
Paper & Cardboard 3 28
Cups, food trays & wrappers 1 11
Other Paper & Cardboard (specify) 1 1
Tetrapaks 1 16
Metal 3 65
Aluminium drink cans 3 65

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 - Paremata Bridge Friends of Mana Island
04 Jul, 2021
Items per 1,000m2
3348
68%

Next survey in this area

Porirua Harbour - Paremata Bridge Friends of Mana Island
10 Apr, 2022
Items per 1,000m2
4737
82%