Landfilling biodegradable municipal waste (food, paper, and garden waste), can contribute to environmental problems such as leachate production - liquid that drains or 'leaches' from a landfill.
It also releases methane, a potent greenhouse gas, which can contribute to climate change.
About the Landfill Allowances Scheme
The Landfill Allowances Scheme (Wales) Regulations 2004 (The LAS regulations) came into force in Wales on 1 October 2004 to reduce the amount of biodegradable municipal waste going to landfill sites.
The landfill allowances scheme requires waste disposal authorities in Wales to limit the amount of biodegradable municipal waste that they send to landfill.
The amount that they landfill must be below the allowance that the Welsh Government has allocated to avoid being liable to a penalty.
Landfill Allowances Scheme results
Wales has reduced the amount of biodegradable municipal waste (food, paper, and garden waste) sent to landfill by 89 per cent over the last twelve full years of the Landfill Allowances Scheme.
You can see the results from previous years in the 'Register of the Landfill Allowances Scheme (LAS) in Wales, 2004 onwards'.
Summary of 2016/17 results
Overall, Welsh local authorities sent 90,827 tonnes of biodegradable municipal waste to landfill compared to the 2016/17 Wales allowance of 390,000 tonnes. This is 77 per cent less than the allowance. This clearly demonstrates work to reduce the amount of biodegradable waste being sent to landfill by local authorities is succeeding.
Individual local authority performance
Blaenau Gwent, Cardiff, Denbighshire, Flintshire, Merthyr Tydfil, Monmouthshire, Rhondda Cynon Taf, Torfaen, Vale of Glamorgan and Wrexham used the least amount of their allowances (no more than 10 per cent). This contrasts with Gwynedd and Swansea whom used over 70 per cent of their allowances.